Switchgear Types 8DJ20 and 8DH10
up to 24 kV, Gas-Insulated, Circuit-Breaker
Feeders up to 630 A, Type LST
Medium-Voltage Switchgear
Supplements to Catalogs HA 45.31/41.11 · 2008
Answers for energy.
Contents
Application
Features
8DJ20
Technology
8DJ20 switchgear is a gasinsulated, factory-assembled,
type-tested and metal-enclosed
switchgear for indoor installation.
• Maintenance-free
4 to 6
It is available as a non-extendable, block-type construction
consisting of panel blocks:
• Three-pole primary enclosure, metal-enclosed
Common equipment features
7
• Up to 24 kV
Product range overview, schemes,
front views, floor openings, transport data
8 to 15
Application, Requirements
Pages
Features, typical uses
2 and 3
Technical Data
Electrical data, filling pressure, temperature for
switchgear type 8DJ20 and type 8DH10
Product Range
8DH10
Design
Panel design
• Feeder currents up to 630 A
16
Components
8DH10 switchgear is a gasinsulated, factory-assembled,
type-tested, 3-pole and metalenclosed switchgear for indoor
installation.
Disconnecting circuit-breaker
17
Installation of current transformers
in 8DJ20 switchgear
in 8DH10 switchgear
18
19
Cable connections
20 to 23
It is designed as a singlebusbar switchgear. Due to its
extendable design, various
panel/ switchgear combinations are available:
Protection system
24
• Up to 24 kV
Shipping
Transport data for 8DJ20 switchgear
25
Standards
Standards, specificationes, guidelines
• Feeder currents up to
630 A
• Climate-independent
• Partition class: PM
(partition of metal)
• Insulating and quenching
gas SF6
• Gas-tight, welded switchgear
vessel made of stainless
steel, with welded-in bushings for electrical connections and mechanical components
• Cable connection for bushings with outside cone according to EN 50 181
• Easy installation
Quality and environment
Quality and environmental
management system according to
DIN EN ISO 9001 and
DIN EN ISO 14001
• Busbar currents up to
1250 A
26
Notes
26
Further information
See the following catalogs:
• HA 40.1 (Switchgear 8DJ and 8DH, General Part)
• HA 41.11 (Switchgear 8DH10)
• HA 45.31 (Switchgear 8DJ20)
The products and systems described in this catalog are
manufactured and sold according to a certified quality and
environmental management system (acc. to ISO 9001 and
ISO 14001).
(DQS Certificate Reg. No. DQS 003473 QM UM).
The certificate is accepted in all IQNet countries.
2 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Application
Typical uses
The product range comprises the
following additions:
R-HA45-100d. eps
Switchgear type 8DJ20
8DJ20 switchgear can be designed
as switchgear consisting of ringmain feeders (RK) and circuitbreaker feeders (LST) as follows
(for details refer to page 8).
Schemes:
• 10-LST: 2 RK and 1 LST
• 71-LST: 3 RK and 1 LST
• 20-LST: 1 RK and 1 LST
• 21-LST: 1 K (E) and 1 LST
Three overall heights can be
selected:
• 1200 mm
• 1400 mm (standard)
8DJ20 switchgear
Scheme 10-LST
• 1760 mm
Switchgear type 8DH10
Including the circuit-breaker feeder
type LST, the following product
range is now available for 8DH10
switchgear:
• Individual panels up to 24 kV
– Circuit-breaker panel type LST1
R-HA41-013c. eps
• Panel blocks up to 24 kV
Types (for details refer to page 11):
– R LST-B2:
700 mm wide
– 2R LST-B3:
1050 mm wide
– 3R LST-B4:
1400 mm wide
– K LST-B2:
700 mm wide
Typical uses
The feeder with the disconnecting
circuit-breaker completes the existing applications and typical uses of
8DJ20 and 8DH10 switchgear.
With this product range there are
additional switchgear types with
cost-efficient standard protection
systems available for power distribution in secondary distribution
systems – which can also be used
under adverse environmental
conditions – such as:
• Compact substations and
transformer substations, e.g.
for wind power stations
• Substations, customer transfer
substations, distribution substations and switching substations of
power supply companies
R-HA41-014 eps
• Industrial plants, such as:
– Wind power stations
– High-rise buildings
– Airports
– Underground railway stations, etc.
Example:
Customer transfer switchgear 8DH10
Application:
Power supply of high-rise buildings
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 3
Technical Data
Electrical data for 8DJ20
Filling pressure, temperature
8DJ20 switchgear with circuit-breaker feeders type LST 2)
Rated
insulation level
kV 7.2
Rated voltage Ur
Rated short-duration power-frequency
withstand voltage Ud:
– phase-to-phase, phase-to-earth, open contact gap kV 20
– across isolating distance
kV 23
17.5 o)
36
39
38 o)
45
50
60
85 3)
95
110
95
110
125
145
50
50
50
50
28 3)
32 3)
Rated lightning impulse withstand voltage Up:
– phase-to-phase, phase-to-earth, open contact gap kV 60
– across isolating distance
kV 70
75 3)
Hz 50
Rated frequency fr
15
12
Pressure values at 20 °C
for switchgear up to 12 kV
24
up to A 250 or 630
Rated short-time
withstand
current Ik
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
for switchgear with tk = 3 s
up to kA –
–
20
16
–
16
–
16 –
up to A 630
630
20
630
630
630
Disconnecting circuit-breaker (type LST)
(circuit-breaker with disconnecting function as three-position switch with earthing function)
Rated
insulation level
1550 hPa
(absolute)
Rated filling
level pre
for insulation
1950 hPa
(absolute)
Minimum functional
level pme
for insulation
1750 hPa
(absolute)
kV 7.2
12
15
17.5
24
Ambient air temperature T **) D)
Rated short-duration power-frequency
withstand voltage Ud
kV 20
28
36
38
50
kV 60
75
95
95
125
Switchgear and/or
feeders with
secondary equipment
Hz 50
50
50
50
50
Rated lightning impulse withstand voltage Up
Rated short-time
withstand
current Ik
Minimum functional
level pme
for insulation
Rated voltage Ur
Rated frequency fr
Rated normal
current Ir 1)
1750 hPa
(absolute)
Pressure values at 20 °C
for switchgear > 12 kV
Rated normal
current Ir 1)
for feeders
for busbar
Rated filling
level pre
for insulation
for feeders (type LST)
A 250 or 630
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
for switchgear with tk = 3 s
up to kA –
–
20
16
–
16
–
16 –
20
Rated peak withstand current Ip
up to kA 40 50
40
50
40
–
40
–
40 –
Rated short-circuit making current Ima
up to kA 40 50
40
50
40
–
40
–
40 –
Rated short-circuit breaking current ISC *)
up to kA 16 20
16
20
16
–
16
–
16 –
Rated cable-charging breaking current IC
A 63
Classes and number of operating cycles (function, standards):
Number of electrical Rated normal current Ir
operating cycles “n”
)
for circuit-breaker at: Rated short-circuit making current Ima *
n 2000
n 4
Rated short-circuit breaking current ISC
Standard *)
Option
63
4
n 6
6
n 20 –
63
63
63
4
4
4
–
4
–
4
–
6
20
6
–
6
20
–
–
6
20
–
–
6 –
20 –
Class E2 (IEC 62 271-100)
Number of mechanical operating cycles “n” for circuit-breaker
n 2000, Class M1 (IEC 62 271-100)
Number of mechanical operating cycles “n” for disconnector function
n 2000, Class M1 (IEC 62 271-102)
Number of mechanical operating cycles “n”
for make-proof earthing switch ***)
n 1000 (IEC 62 271-102)
Number of electrical operating cycles “n” for earthing switch ***)
at rated short-circuit making current Ima
n 5, Class E2 (IEC 62 271-102)
Classification “C” for circuit-breaker:
Low probability of restrikes for capacitive currents
Rated operating sequence (IEC 62 271-100) *)
Class “Minus
5 indoor”
(– 5 °C to
+55 °C) DD)
Switchgear and/or
Class “Minus
feeders with
25 indoor”
secondary equipment (– 25 °C to
D)
+55 °C) DD)
Classification
Partition class
(partition of metal)
PM
Loss of service
continuity
category
LSC 2B
Note:
For further electrical data for
switching devices, refer to Catalog
HA 40.1, general part for 8DJ and
8DH switchgear.
1) The rated normal currents apply
to ambient air temperatures of
max. 40 °C. The 24-hour-mean
is max. 35 °C (according to
IEC 62 271-1 / VDE 0671-1).
2) Higher values on request.
3) Option: Ud = 42 kV, Up = 95 kV,
according to some national
requirements.
Class C1 (IEC 62 271-100)
O-t-CO-t'-CO, t = t' = 3 min, i.e.:
O-3 min-CO-3 min-CO
*) According to IEC 62 271-100,
T100s.
Make-proof earthing switch, earthing function of the three-position switch
**) Operating conditions according
kV 7.2
12
Rated short-circuit making current Ima
up to kA 40 50
40
50
40
–
40
–
40 –
Rated short-time withstand current (1 s) Ik
up to kA 16 20
16
20
16
–
16
–
16 –
Rated voltage Ur
15
17.5
24
to IEC 62 271-1/ VDE 0671-1.
The ambient air temperature
depends on the protection
relays or low-voltage devices
installed.
***) Terms: See page 26.
D) Please observe the operating
conditions of the additional secondary equipment/low-voltage
devices used.
DD) Temperature range, reduced
normal currents at > + 40 °C.
o) Data for Russian Federation
– Rated voltage 12 kV
– Rated short-duration power
frequency withstand voltage
42 kV.
4 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Technical Data
Electrical data
Three-position switch-disconnector in ring-main feeders
Rated
insulation level
Rated voltage Ur
kV 7.2
Rated short-duration power-frequency
withstand voltage Ud
kV 20
28
36
–
38
50
Rated lightning impulse withstand voltage Up
kV 60
75
95
–
95
125
Hz 50
50
50
50
50
Rated frequency fr
Rated normal
current Ir 1)
Rated short-time
withstand
current Ik
for feeders (type RK.. or type K..)
12
15
17.5
24
A 400 or 630
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
for switchgear with tk = 3 s
up to kA 16 20
16
20
–
–
16
–
16 –
Rated peak withstand current Ip
up to kA 40 50
40
50
40
–
40
–
40 –
Rated short-circuit making current Ima
up to kA 40 50
40
50
40
–
40
–
40 –
5
5
5
–
5
–
5
Class and number of operating cycles (function, standards):
Number of electrical Rated normal current Ir
operating cycles “n”
Rated short-circuit making current Ima
for switch-disconnector at:
n 100
n 5
5
–
Class E3 (IEC 60 265-1)
Number of mechanical operating cycles “n” for circuit-breaker
n 1000, Class M1 (IEC 60 265-1)
Number of mechanical operating cycles “n” for disconnector function
n 1000, Class M0 (IEC 62 271-102)
Make-proof earthing switch
Rated voltage Ur
kV 7.2
Rated short-duration power-frequency
withstand voltage Ud
kV 20
28
36
–
38
50
Rated lightning impulse withstand voltage Up
kV 60
75
95
–
95
125
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
for switchgear with tk = 3 s
up to kA 16 20
16
20
16
–
16
–
16 –
Rated peak withstand current Ip
up to kA 40 50
40
50
40
–
40
–
40 –
Rated short-circuit making current Ima
up to kA 40 50
40
50
40
–
40
–
40 –
Rated
insulation level
Rated short-time
withstand
current Ik
Class and number of operating cycles (function, standards):
– Number of electrical operating cycles “n” for earthing switch *)
at rated short-circuit making current Ima
– Number of mechanical operating cycles “n”
for make-proof earthing switch *)
12
15
17.5
24
n 5, Class E2 (IEC 62 271-102)
n 1000 (IEC 62 271-102)
Switching capacity of general-purpose switches (class E3)
12
15
17.5
24
Rated mainly active for 100 switching operations A 630
load break. current Ir
for 20 switching operations A 31.5
kV 7.2
630
630
630
630
31.5
31.5
31.5
31.5
Rated voltage Ur
Test duty 1
Test duty 2a
Rated closed-loop breaking current I2a
A 630
630
630
630
630
Test duty 3
Rated transformer breaking current I3
A 40
40
40
40
40
Test duty 4a
Rated cable-charging breaking current I4a
A 68
68
68
68
68
Test duty 4b
Rated line-charging breaking current I4b
A 68
68
68
68
68
Test duty 5
Rated short-circuit making current Ima
up to kA 63
63
63
63
50
Test duty 6a
Rated earth-fault breaking current I6a (Ie) 2)
A 60
60
60
60
60
Test duty 6b
Rated cable-charging breaking current
and line-charging breaking current under
earth-fault conditions I6b ( 3 · ICL) 2)
A 35
35
35
35
35
–
Cable-charging breaking current under
earth-fault conditions with superimposed
load current IL + 3 · ICL
630+50
630+50 630+50 630+50
A
630+50
Note:
For further electrical data for
switching devices, refer to Catalog
HA 40.1, general part for 8DJ and
8DH switchgear.
1) The rated normal currents apply
to ambient air temperatures of
max. 40 °C. The 24-hour-mean
is max. 35 °C (according to
IEC 62 271-1 / VDE 0671-1).
2) Data in brackets according to
existing standards.
*) Terms: See page 26.
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 5
Technical Data
Electrical data for 8DH10
Filling pressure, temperature
8DH10 switchgear in combination with circuit-breaker panels type LST 2) 4)
Rated
insulation level
kV 7.2
Rated voltage Ur
12
15
17.5 o)
Rated short-duration power-frequency
withstand voltage Ud:
– phase-to-phase, phase-to-earth, open contact gap kV 20
– across isolating distance
kV 23
28 3)
32 3)
36
39
38 o)
45
50
60
Rated lightning impulse withstand voltage Up:
– phase-to-phase, phase-to-earth, open contact gap kV 60
– across isolating distance
kV 70
75 3)
85 3)
95
110
95
110
125
145
Hz
1750 hPa
Rated filling
level pre for insulation (absolute)
Minimum functional
1550 hPa
level pme for insulation (absolute)
Pressure values at 20 °C
for panels LST ...5) > 12 kV
50
50
50
50
Rated normal
current Ir 1)
for busbar
Standard
up to A 630
630
630
630
630
Option
up to A 1250
1250
1250
1250
1250
Rated short-time
withstand
current Ik
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
for switchgear with tk = 3 s
up to kA –
–
20
–
–
–
–
–
Rated frequency fr
50
Pressure values at 20 °C
for panels LST ...5) up to 12 kV
24
–
1950 hPa
Rated filling
level pre for insulation (absolute)
–
Rated voltage Ur
Hz
Rated frequency fr
Rated normal
current Ir 1)
Rated short-time
withstand
current Ik
kV 7.2
12
15
17.5
24
50
50
50
50
50
for feeder
up to A 250
250
250
250
250
Option
up to A 630
630
630
630
630
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16 –
up to kA –
–
20
–
–
–
–
–
40
50
40
–
40
–
40 –
up to kA
–
40 50
kV 7.2
12
15
17.5
24
Rated short-duration power-frequency
withstand voltage Ud
kV 20
28
36
38
50
kV 60
75
95
95
125
50
50
50
50
50
Rated lightning impulse withstand voltage Up
Hz
Rated normal
current Ir 1)
Rated short-time
withstand
current Ik
for feeders (type LST)
for switchgear with tk = 1 s
up to kA 16 20
16
20
16
–
16
–
16
–
for switchgear with tk = 3 s
up to kA –
–
20
–
–
– 5)
–
–5)
–
Rated peak withstand current Ip
up to kA
40 50
40
50
40
–
40
–
40
–
Rated short-circuit making current Ima
up to kA
40 50
40
50
40
–
40
–
40
–
Rated short-circuit breaking current ISC *)
up to kA
16 20
16
20
16
–
16
–
16
–
Rated cable-charging breaking current IC
A
63
63
Classes and number of operating cycles (function, standards):
Number of electrical Rated normal current Ir
operating cycles “n”
)
for circuit-breaker at: Rated short-circuit making current Ima *
63
63
Rated short-circuit breaking current ISC
Standard *)
Option
4
n 6
6
n 20 –
4
4
4
–
4
–
4
–
6
20
6
–
6
20
–
–
6
20
–
–
6 –
20 –
Class E2 (IEC 62 271-100)
Number of mechanical operating cycles “n” for circuit-breaker
n
2000, Class M1 (IEC 62 271-100)
Number of mechanical operating cycles “n” for disconnector function n
2000, Class M1 (IEC 62 271-102)
Number of mechanical operating cycles “n”
for make-proof earthing switch ***)
n
1000 (IEC 62 271-102)
Number of electrical operating cycles “n” for earthing switch ***)
at rated short-circuit making current Ima
n
5, Class E2 (IEC 62 271-102)
Classification “C” for circuit-breaker:
Low probability of restrikes for capacitive currents
LSC 2B
1) The rated normal currents apply
to ambient air temperatures of
max. 40 °C. The 24-hour-mean
is max. 35 °C (according to
IEC 62 271-1 / VDE 0671-1).
2) Higher values on request.
3) Option: Ud = 42 kV, Up = 95 kV,
according to some national
requirements.
5) As individual panel type LST1.
As feeder type LST in panel
blocks.
*) According to IEC 62 271-100,
T100s.
**) Operating conditions according
to IEC 62 271-1 / VDE 0671-1.
The ambient air temperature depends on the protection relays
or low-voltage devices installed.
***) Terms: See page 26.
D) Please observe the operating
conditions of the additional
secondary equipment/
low-voltage devices used.
Class C1 (IEC 62 271-100)
Rated operating sequence (IEC 62 271-100) *)
Loss of service
continuity category
4) For three-position switchdisconnectors, see page 5 and
Catalog HA 40.1.
63
n 2000
n 4
PM
For further electrical data for
switching devices, refer to Catalog
HA 40.1, general part for 8DJ and
8DH switchgear.
A 250 or 630
–
Partition class
(partition of metal)
Note:
Rated voltage Ur
Rated frequency fr
Classification
–
Disconnecting circuit-breaker (type LST)
(circuit-breaker with disconnecting function as three-position switch with earthing function)
Rated
insulation level
Class “Minus
5 indoor”
(– 5 °C to
+55 °C) DD)
Switchgear and/or
Class “Minus
feeders with
25 indoor”
secondary equipment (– 25 °C to
D)
+55 °C) DD)
for switchgear with tk = 3 s
Rated peak withstand current Ip
Ambient air temperature T **) D)
Switchgear and/or
feeders with
secondary equipment
Circuit-breaker panel type LST/LST1 5)
Rated
insulation level
Minimum functional
1750 hPa
level pme for insulation (absolute)
O-t-CO-t'-CO, t = t' = 3 min, i.e.:
O-3 min-CO-3 min-CO
DD) Temperature range, reduced
normal currents at > + 40 °C.
Make-proof earthing switch, earthing function of the three-position switch
Rated voltage Ur
kV
7.2
12
15
17.5
24
Rated short-circuit making current Ima
up to kA
40 50
40
50
40
–
40
–
40 –
Rated short-time withstand current (1 s) Ik
up to kA
16 20
16
20
16
–
16
–
16 –
o) Data for Russian Federation
– Rated voltage 12 kV
– Rated short-duration power
frequency withstand voltage
42 kV.
6 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Product Range
Common equipment features
Feeders, panel
8DJ20
8DH10
1
Interlock of cable compartment cover
C-rail for cable bracket
–
5
•
•
Low-voltage niche for terminals and protection device above operating mechan. box •
Low-voltage terminals in operating mechanism box
•
Mechanical ready-for-service indicator for disconnecting circuit-breaker/three-position switch •
•
2
6
Signalling switch (1NO) for remote electrical ready-for-service indication
o
3
4
8DH10
Feeder in
Feeder type LST1 as
panel blocks,
individual panel,
panel width = 350 mm panel width = 500 mm
Cable
o. r.
o. r.
Cable
feeder
transfer
transfer
feeder
LST
LST-U
LST1-U
LST1
Serial Panel as:
no.
–
•
•
•
•
•
•
•
•
o
o
1)
Feeder type LST in
panel blocks,
panel width = 350 mm
Cable
feeder
LST
Transfer
LST-U
•
–
•
•
•
•
•
–
o
o
o
–
o
o 1)
–
–
–
–
•
•
•
7
Short-circuit and earth-fault indicator
o
o
8
Closing lock-out for the disconnecting circuit-breaker “CLOSED” function
or
de-earthing lock-out for the earthing switch in “EARTHED” position function
o
o
o
–
o
o
o
o
o
–
o
o
Low-voltage compartment (see pages 9 and 12)
o
o
o
–
o
o
Low-voltage cover
o
o
o
–
o
o
–
8a
9
10
Cable clamps
11a
– Supplied separately
o
–
o
–
o
11b
– Preassembled
o
–
o
–
o
–
o
o
o
–
o
o
12
Secondary equipment
13
Capacitive voltage detecting system for feeder
•
•
•
–
•
•
14
Capacitive voltage detecting system for busbar
–
–
o
–
o
o
15
Cable-type current transformer
o
–
o
–
o
–
16
Three-phase current transformer
–
–
o
–
–
–
Protection device
17 a
Standard: Make Siemens, type 7SJ45 (c.t.-operated principle)
o
o
o
–
o
o
17 b
Option:
Make Siemens, type 7SJ46 (for auxiliary voltage supply)
o
o
o
–
o
o
17 c
Option:
Make SEG, type WIC-2P, -3P
o
o
o
–
o
o
–
–
o
–
–
–
18
Plug-in voltage transformer type 4MT8 at the feeder
2)
Equipment features of the disconnecting circuit-breaker (type LST) 3)
8DJ20
8DH10
8DH10
Equipment features
LST
LST1
LST
Manual operating mechanism for the disconnecting circuit-breaker
•
•
•
Motor operating mechanism for the disconnecting circuit-breaker CLOSED/OPEN
– With “remote” operation (wired to terminals)
o
o
o
– With “local” operation via control switch
o
o
o
– With “local” operation via control switch and local-remote switch
o
o
o
•
•
•
•
•
•
Auxiliary switch in 8DH10 switchgear (disconnecting circuit-breaker CLOSED/OPEN:
2 NO + 2 NC, EARTHING CLOSED/OPEN: 2 NO + 2 NC)
•
•
•
Wiring of disconnecting circuit-breaker: To terminal blocks, type VBST4-FS
(optionally in the low-voltage niche or low-voltage compartment)
•
•
•
Locking device
o
o
Release designed as shunt release (f)
o
o
o
o
Release designed as c.t.-operated release (low-energy 0.1 Ws)
o
o
o
Mechanical switch position indicator
•
•
•
– Disconnecting circuit-breaker
o
o
o
– Make-proof earthing switch
o
o
o
Manual operating mechanism for the switching function “make-proof EARTHING”
Auxiliary switch in 8DJ20 switchgear (disconnecting circuit-breaker CLOSED/OPEN:
1 NO + 2 NC, EARTHING CLOSED/OPEN: 1 NO + 1 NC)
Separate operating levers for:
1) Only for short-circuit indicators with sensors on the bushings.
2) Deep cable compartment cover necessary.
3) Description and definition: See pages 17 and 26.
•
Basic equipment
o Additional equipment (option)
– Not available
o. r. = On request
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 7
Product Range
Product range overview for 8DJ20: Schemes
Scheme: Components shown in dotted lines can be used optionally.
Standard
Scheme 21-LST
HA45-2412 eps
HA45-2413 eps
Scheme 20-LST
2)
1)
RK
2)
LST
1)
K (E)
Scheme 10-LST
LST
HA45-2414 eps
HA45-2415 eps
Scheme 71-LST
2)
1)
RK
RK
LST
2)
1)
RK
RK
RK
LST
1) Cable-type current transformer type 4MC70 33
2) On request: Cable-type current transformer type 4MC70 31
Abbreviations:
RK = Ring-main feeder
K
LST = Circuit-breaker feeder with disconnecting function
= Cable feeder for radial cable connection (standard)
K(E) = Cable feeder for radial cable connection with make-proof earthing switch (option)
8 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Product Range
Depth 2) Height
mm
mm
mm
Net
weight 1)
approx.
kg
1 ring-main feeder,
1 circuit-breaker feeder
(Abbreviations 1RK+1LST)
1760
K (E)
Width
Scheme 20-LST
1400
1200
For explanation of the
abbreviations RK, LST and
K(E), see page 8.
1760
1200
(Floor openings see page 10)
1400
LST
RK
Overall dimensions
Front views
HA45-2419 eps
HA45-2418 eps
Product range overview for 8DJ20: Front views, combinations
LST
710
775
1200
1400
1760
350
370
400
Scheme 21-LST
350
350
350
710
1 radial cable connection,
1 circuit-breaker feeder
(Abbreviations 1K(E)+1LST)
350
710
710
Scheme 20-LST
775
Scheme 21-LST
1200
1400
1760
350
370
400
HA45-2421 eps
HA45-2420 eps
Scheme 10-LST
2 ring-main feeders,
1 circuit-breaker feeder
(Abbreviations 2RK+1LST)
1200
1400
1400
RK
RK
LST
RK
RK
RK
350
350
350
350
1060
350
1200
1400
1760
540
580
620
HA45-2424 eps
Combinations with
low-voltage compartment
Dimensions e.g.
for scheme 20-LST
For switchgear with low-voltage
compartment other transport
dimensions and weights must
be observed.
1760
2160
2300
1400
2000
1800
2100
1800
1600
775
2) Additional wall distance
required: W 15 mm
HA45-2423 eps
HA45-2422 eps
1200
RK
350
Scheme 71-LST
RK
RK
450
480
510
1) Weight depending on the
relevant equipment, e.g.
motor operating mechanism,
current transformers, etc.
1410
Scheme 10-LST
1200
1400
1760
3 ring-main feeders,
1 circuit-breaker feeder
(Abbreviations 3RK+1LST)
LST
1410
350
775
Scheme 71-LST
1760
1760
1200
1060
LST
LST
LST
Switchgear height
1200 mm
1400 mm
1760 mm
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 9
Product Range
Product range overview for 8DJ20: Floor openings
Floor openings (dimensions in red) and fixing points
700
28 x 14
14 x 28
620
670
106
11
100
28 x 14
14 x 28
40
15
620
670
19
106
350
970
1020
28 x 14
14 x 28
2
Scheme 10-LST
1 Wall distance
312
110 110
110 110
63
350
35
65
10
110 110
110 110
437
350
55
350
9
713
610
147 44
31
350
125
11
11
100
350
40
15
³ 15
437
125
7
5
350
623
110 110
233
110 110
713
610
1
350
175
350
47 197
63
55
110 110
10
350
623
350
19
9
19
HA45-2408 eps
HA45-2407 eps
11
312
35
65
2
1400
350
31
147 44
³ 15
5
7
Scheme 21-LST
47 197
233
1
63
110 110
1050
350
175
350
55
110 110
350
Scheme 20-LST
19
713
610
437
350
35
65
19
2
623
31
³ 15
233
11
11
100
350
40
15
6
7
HA45-2406 eps
106
1
9
10
125
125
19
HA45-2405 eps
10
713
610
437
623
110 110
312
350
147 44
55
31
233
11
110 110
350
175
350
35
65
47 197
5
19
9
350
147 44
³ 15
175
1
700
312
47 197
350
63
19
106
11
100
350
40
15
7
350
1320
1370
350
28 x 14
14 x 28
2
Scheme 71-LST
9 Floor opening for high-voltage cables (and control cables, if applicable)
2 Fixing points
10 Fixing frame (base) of the switchgear
5 Position of the incoming cables in the ring-main feeder
11 Cutouts for 1200 mm and 1400 mm switchgear height, for cable-type
current transformers
6 Position of the incoming cables in the cable feeder
7 Position of the incoming cables in the circuit-breaker feeder
10 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Product Range
Product range overview for 8DH10
Circuit-breaker panel as individual panel type LST1
Option
Option
1)
Option
HA41-2509b eps
2)
Option
1)
Option
HA41-2501a eps
HA41-2507a eps
Option
1)
1)
2)
Option
HA41-2624 eps
Option
2)
2)
Type LST1
500 mm wide
Type LST1
500 mm wide
Type LST1
500 mm wide
Type LST1
500 mm wide
Standard: Basic panel
Option: For 2nd cable
Option:
For plug-in
surge arresters
Option: For plug-in
voltage transformers
type 4MT8 (deep cable
compartment cover: 300 mm)
Option
3)
2)
RK
HA41-2611 eps
HA41-2610 eps
Circuit-breaker feeder LST in panel blocks
3)
2)
LST
K
Type K LST-B2
700 mm wide
HA41-2612 eps
HA41-2613 eps
Type R LST-B2
700 mm wide
LST
3)
2)
RK
RK
3)
2)
LST
Type 2R LST-B3
1050 mm wide
RK
RK
RK
LST
Type 3R LST-B4
1400 mm wide
Components shown in dotted lines can be used optionally.
Abbreviations:
1) Three-phase current transformer type 4MC 63
RK = Ring-main feeder
2) Cable-type current transformer type 4MC 7033
LST = Circuit-breaker feeder with disconnecting function
3) Cable-type current transformer type 4MC 7031
K
= Cable feeder
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 11
Product Range
Product range overview for 8DH10: Front views
Front views
HA41-2615 eps
Panel blocks
1
2
RK
500
1400
1400
1400
2000 (2300)*
2000 (2300)*
2000 (2300)*
60
HA41-2625 eps
HA41-2614 eps
Individual panel
LST
K
700
Individual panel LST1
3
LST
700
Type R LST-B2
Type K LST-B2
Cable panel type K:
1 Option: Earthing function
2 Interlocking of the cable compartment cover
in conjunction with earthing function
RK
RK
1400
1400
2000 (2300)*
2000 (2300)*
HA41-2616 eps
HA41-2617 eps
3 Cable compartment cover screwed on
(without earthing function)
LST
RK
RK
1050
Type 2R LST-B3
RK
LST
1400
Type 3R LST-B4
Abbreviations:
RK = Ring-main feeder
LST = Circuit-breaker feeder with disconnecting function
K
= Cable feeder
*
Option: With low-voltage compartment
12 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Product Range
Product range overview for 8DH10: Floor openings
Floor openings (dimensions in red) and fixing points
Individual panel type LST1
106 125 125
420
63
55
2
150 150
713
425
3
35
623
233 122 69
4
7
10
19
50 135
150
4
28 x 14
47 197
713
610
7
HA41-2327c eps
19
40
623
150 150
10
31
³15
1
3
35
14 x 28
250
2
63
55
31
233 122 69
47 197
³15
HA41-2326d eps
150
480
1
500
4
14 x 28
480
500
250
106 125 125
40
420
15
470
For circuit-breaker panel type LST1
without cable-type current transformers
4
28 x 14
5
For circuit-breaker panel type LST1
with cable-type current transformers
Panel blocks
150
4
5
620
Type K LST, R LST-B2
55
10
19
110 110
106 100
350
40
40
350
350
110 110
110 110
19
350
970
19
106 100
350
40
350
350
110 110
110 110
110 110
19
19
19
312
350
40
350
3
713
610
110 110
40 40
63
55
31
10
40 40
350
2
7
28 x 14
4
5
1320
19
312
4
2
3
713
610
35
40 40
623
40
63
14 x 28
350
31
233 122 69
47 197
³ 15
480
HA41-2332e eps
150
1
40
35
4
Type 3R LST-B4
1050
175
14 x 28
350
623
713
610
28 x 14
233 122 69
1
47 197
³ 15
2
7
19
312
350
175
3
110 110
106 100
1400
4
HA41-2333e eps
110 110
40
63
55
10
40
350
623
31
233 122 69
47 197
³ 15
40
35
19
HA41-2330e eps
150
480
1
14 x 28
480
700
350
175
7
28 x 14
1 Wall distance
2 Fixing frame (base) of an individual panel
or panel block
3 Floor opening for high-voltage cables and
control cables, if applicable
4 Fixing points
4
5 For 4MC70 33 cable-type current transformer
with 145 mm outside diameter, sometimes
arranged underneath the panel
5
7 Position of the incoming cables for the feeder
Type 2R LST-B3
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 13
Product Range
Product range overview for 8DH10, transport data for 8DH10
Designation of the individual panels
and panel blocks
Panel
width
Type
Abbreviation: LST
Disconnecting circuit-breaker:
Circuit-breaker with disconnecting
function and make-proof earthing
switch as three-position switch.
Legend for page 15
B = Three-position switch as threeposition switch-disconnector
(switch-disconnector CLOSEDOPEN-EARTHED).
BB = Three-position switch as
three-position disconnecting
circuit-breaker (disconnecting
circuit-breaker CLOSED-OPENEARTHED).
Individual panels
Column No.
Circuit-breaker panel LST1
500
500
Column No.
Panel blocks
Ring-main/circuit-breaker panel block
700
R LST-B2
1050
2R LST-B3
1400
3R LST-B4
Cable connection/circuit-breaker panel block
(cable panel without make-proof earthing switch)
700
K LST-B2
Cable connection/circuit-breaker panel block
(cable panel with make-proof earthing switch)
700
K LST-B2
1) The equipment applies to the
entire panel block, but it is
located in the first feeder panel
from the left.
2) Low-voltage terminals arranged
in the low-voltage compartment (low-voltage compartment to be ordered optionally).
LST1
On request: LST-U
RK
LST
RK
LST
RK
LST
K
LST
K
LST
Transport data (Transport units for shipping see page 15)
Individual panel, panel block
or combinations
thereof for standard switchgear
(without pressure relief duct)
Type
Panel or panel
combination
Width Net
weight 1)
B1
approx. kg
mm
Transport unit (including packing) for standard panels
(without pressure absorber system)
Width Height
Depth Volume
Gross
B2
T2
weight 1)
approx. kg
m
m
m
m3
without/with
LVC */ LVC *
1) The net weight and the gross
weight depends on the extent
to which they are equipped
(e.g. with current transformers,
motor operating mechanism,
deep cable compartment cover)
and are therefore given as
mean value.
2) Sum of the net weights of
individual panels and/or panel
blocks.
* Low-voltage compartment,
600 mm high, weight approx.
60 kg depending on the panel
type and on the extent to
which it is equipped.
** Packing weight.
without/with
LVC * / LVC *
without/with without/with
LVC * / LVC * LVC * / LVC *
Transport of individual panels
Circuit-breaker panel
LST1
500
280 / 340
0.70
1.60 / 2.20 1.10
1.23 / 1.69
320 / 380
R LST-B2
Transport of panel blocks
Ring-main/circuit-breaker panel block
Cable connection/circuit-breaker panel block
700
400 / 520
1.08
1.60 / 2.20 1.10
1.90 / 2.61
460 / 580
2R LST-B3 1050
510 / 690
1.40
1.60 / 2.20 1.10
2.46 / 3.40
580 / 760
3R LST-B4 1400
610 / 850
2.03
1.60 / 2.20 1.10
3.57 / 4.91
690 / 930
400 / 520
1.08
1.60 / 2.20 1.10
1.90 / 2.61
460 / 580
K LST-B2
700
Transport of combinations of different individual panels or panel blocks
Comprising
– a number of individual panels or
– 1 panel block or
– a number of panel blocks or
– individual panels with panel blocks
Overall width B3
B2
≤ 850 mm
≤ 1200 mm
≤ 1800 mm
≤ 2350 mm
1.08
1.40
2.03
2.53
T2
1.60 / 2.20
1.60 / 2.20
1.60 / 2.20
1.60 / 2.20
1.10
1.10
1.10
1.10
1.90 / 2.61
2.46 / 3.39
3.57 / 4.91
4.49 / 6.17
60 **
70 **
2) + 85 **
2) + 100 **
2) +
2) +
14 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Product Range
Equipment features for 8DH10, transport units for 8DH10
: r
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• Basic equipment
°
1
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4
5
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7
8
9
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11
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13
14
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°–
°–
°–
°–
°–
°
17 18
°
°
°
°
°
°
°
°– ° °
° °
° ° °
19
–
–
19
–
–
–
–
–
–
–
–
–
–
20 21
22
23
24
° ° ° °– °
° ° °
°
20 21
22
23
24
–
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°– °
°
°– °
°
°– °
°
°– °
°
° °
Transport units for shipping (top view)
1 T1 = Depth of individual
panel or of panel block
2 Individual panel or panel block,
dimension B1 x T1
3 Transport unit,
dimension B2 x T2
With individual panel
or panel block
4 B3 = Overall width of
combination of different
individual panels
or panel blocks
With combinations of different individual
panels and/or panel blocks (option: panels
screwed on and busbars mounted)
5 B2 = Width of the
transport unit
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 15
Design
Panel design (examples)
HA45-2425 eps
8DJ20 switchgear:
Scheme 10-LST (2RK+1LST)
1
1
7
7
13
11
12
3
17
4
19
15
18
14
16
9
RK
RK
LST
y
5
8DH10 switchgear:
Circuit-breaker feeder as panel type LST1
Legend:
HA41-2626 eps
1 Option: Low-voltage compartment
2 Niche for customer-side low-voltage equipment,
removable cover
3 Switch position indicator for load-break function
“CLOSED - OPEN”
4 Switch position indicator for earthing function
“OPEN - EARTHED” in ring-main feeder
1
5 Option: Cable-type current transformer
6 Option: Three-phase current transformer
(protection transformer)
7 Option: Protection device
2
12
17
13
11
7
7
8 Busbar system
9 Switchgear vessel, gas-filled
19
15
10 Option: Cable plug
11 Rating and type plate
12 Switch position indicator for disconnecting circuit-breaker
“CLOSED - OPEN”
18
14
6
8
10
13 Switch position indicator for earthing function
“OPEN - EARTHED” in circuit-breaker feeder
14 Disconnecting circuit-breaker: Circuit-breaker with
disconnecting function and earthing function as
three-position switch
15 Operating mechanism as “spring-operated CLOSED –
spring-operated OPEN”, “stored-energy OPEN” mechanism
16 Option: Cable T-plug
9
17 Ready-for-service indicator
5
18 Manual operation for disconnecting circuit-breaker
operating mechanism
19 Manual operation for earthing switch operating mechanism
y = Mounting height of the current transformers,
dependent on the core data
16 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Components
Disconnecting circuit-breaker
Features
HA41-2499 eps
• Circuit-breaker as disconnecting circuit-breaker with
disconnecting function,
with the switch positions
CLOSED-OPEN-EARTHED
Insulating gas
EARTHED
• According to IEC 62 271-100 /
VDE 0671-100
• Designed as three-position
switch with the functions:
– Circuit-breaker CLOSED-OPEN,
– Disconnecting function
(OPEN), and
– Make-proof earthing switch
OPEN
• System-conforming application for all 8DJ20 and 8DH10
switchgear in hermetically
welded switchgear vessels,
therefore climate-independent
1
2
3
4
5
6
CLOSED
Detachable lever mechanism
for three-position switch as disconnecting circuit-breaker
• Operation via gas-tight,
welded-in bushing at the
front of the switchgear vessel
Switch positions
1 Disconnecting circuit-breaker
4 Operating rocker
2 Coupling linkage
5 Detachable lever mechanism
3 Switchgear vessel
6 Operating lever inserted
Switching functions and
operating mechanisms
• Functional and quenching
principle: “Rotating arc” or
arc suppression coil system
• Quenching and insulating
gas SF6
• Operating mechanism de-
signed as spring-operated
CLOSED / spring-operated
OPEN mechanism, storedenergy OPEN via protection
system (relay, release, current
transformer)
– With manual operation
(standard)
– With motor operation (option)
(24 V to 220 V DC, 110 V and
230 V AC) for the disconnecting circuit-breaker
• Operating mechanism designed as detachable lever
mechanism
Equipment features and applications of the disconnecting circuit-breaker
Design
Standard
Mechanism operation
Manual
Option
Motor
Mechanism design
Spring-operated/stored-energy
mechanism
Spring-operated/stored-energy
mechanism
Mechanism functions
Spring-operated CLOSED,
spring-operated OPEN
Spring-operated CLOSED,
spring-operated OPEN
Mechanism actuation
With operating lever, detachable
With motor
Closing the disconnecting
circuit-breaker
Mechanically “locally” with operating Electrically with motor
lever
– “Remote” operation
– “Local” operation (option)
Operating sequence (t = 3 min)
CO
CO (or O-t-CO)
Typical uses (examples)
Substation for wind parks,
transformer switch, switchgear
without auxiliary voltage supply
Substation for wind parks, transformer
switch, customer transfer substation,
line protection
Disconnecting circuit-breaker
tripped
Trafo
“CLOSED“ indication, manual or motor operation
“OPEN“ indication, manual or motor operation
“Disconnecting circuit-breaker tripped“ indication
• Disconnecting circuit-breaker with manual operating mechanism
(manual operation)
HA41-2619 eps
“Disconnecting circuit-breaker tripped“ indication
Control board
circuit-breaker feeder LST
Following tripping (e.g. via pick-up by protection relay and/or release as
shunt release or current-transformer operated release), the mechanism
for charging the opening store must be switched from the “CLOSED”
position to the “OPEN” position. Subsequently, the disconnecting circuit-breaker can be switched to the “CLOSED” position again.
• Disconnecting circuit-breaker with motor operating mechanism
(motor operation)
“Disconnecting circuit-breaker tripped“ indication
Following tripping (e.g. via pick-up by protection relay and/or release as
shunt release or current-transformer operated release), the mechanism
is automatically switched to the “OPEN” position by the motor operating
mechanism, the opening store is charged again. Subsequently, the disconnecting circuit-breaker can be switched to the “CLOSED” position again.
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 17
Components
Installation of current transformers type 4MC70 33 in 8DJ20 and 8DH10 switchgear
• Designed as single-pole, ringcore current transformers
• 4MC70 33 cable-type current
transformer for:
– 8DJ20 switchgear
feeder type LST
– 8DH10 switchgear
panel type LST1 as individual
panel (500 mm wide)
feeder type LST in panel
blocks
• Free of dielectrically stressed
cast-resin parts (due to design)
• Insulation class E
• Inductive type
• Arranged around the cable at
the panel connection
• Transformers mounted on a
supporting plate at the factory; final assembly around
the cables on site
RK
RK
LST
1
y
H
R-HA41-024a eps
• Climate-independent
Installation of current transformers:
With 1200 mm switchgear height,
underneath 8DJ20 switchgear
HA45-2396 eps
Installation
HA45-2395 eps
Features
HA45-2397 eps
4MC70 33 cable-type current
transformers, 4 different overall heights
HA45-2398 eps
With 1400 mm switchgear height, inside or sometimes
underneath 8DJ20 switchgear, dependent on the core data
Technical data
4MC70 33 cable-type current transformer
Primary data
0.72 kV
Rated current IN
30 A to 600 A
Rated short-duration
power-frequency
withstand voltage (winding test)
3 kV
Rated thermal short-time
withstand current Ith
25 kA
Rated continuous
thermal current ID
1.0 x IN
Option: 1.2 x IN
Transient overload current
1.5 x ID / 1 h or
2 x ID / 0.5 h
Rated peak
withstand current Idyn
unlimited
RK
1
HA45-2400 eps
HA45-2399 eps
Rated current
1 A (option: 5 A)
On request: Class
Measuring
Overcurrent factor
core
Rating
FS10 (option: FS5)
0.2; 0.5; 1
2.5 VA to 10 VA
10 P
10 P
Overcurrent factor
10
20
Rating
1.5 VA to 10 VA
RK
RK
LST
1
y
Class
Option on request:
Secondary tap
LST
With 1760 mm switchgear height, inside or sometimes
underneath 8DJ20 switchgear, dependent on the core data
Secondary data
Protection
core
(standard)
RK
y
Maximum equipment
operating voltage Um
1:2
(e.g. 150 A – 300 A)
Dimensions
Overall height H,
mm
dependent on the core data
50 100
Outside diameter
145 mm
Inside diameter
55 mm
For cable diameter
50 mm
Other values on request
170
285
1 Cable-type current transformer type 4MC70 33
y = Mounting height of the current transformers,
dependent on the core data
18 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Components
Installation of current transformers in 8DH10 switchgear
Other designs
(option)
Features
• Designed as three-pole, ringcore current transformers
Circuit-breaker panel type LST1
as individual panel
Three-phase current transformer for protection equipment based on the c.t.-operated principle:
• Free of dielectrically
stressed cast-resin parts
(due to design)
• Protection system 7SJ45 as
definite-time overcurrent
protection
• Insulation class E
• Inductive type
• Climate-independent
• Definite-time overcurrent
relay, make SEG,
type WIC1-xP
Installation
1
HA41-2627 eps
• Arranged outside the switchgear vessel on the bushings
of the cable connection
HA41-2504a eps
• For installation in individual
panel type LST1
2
• Mounted at the factory
HA41-2505a eps
R-HA41-022 eps
1
4MC63
three-phase current transformer
2
Circuit-breaker feeder type LST
in panel block
HA41-2618 eps
Technical data
4MC63 11 three-phase current transformer
for IN ≤ 400 A and ID = 630 A
Primary data
0.72 kV
Maximum equipment
operating voltage Um
400
3 kV
Rated thermal
short-time
withstand current Ith
25 kA
Rated continuous
thermal current ID
630 A
Transient
overload current
2 x ID / 0.5 h
Rated peak
withstand current Idyn
unlimited
300
200
1400
Rated current IN
2000 (2300)*
A
Rated short-duration
power-frequency
withstand voltage (winding test)
RK
LST
2
y
RK
Secondary data
Rated current
Rating
A
1
0.75
0.5
VA
4
3
2
Rated current (option)
5A
Current at ID
1.575 A
Protection
core
Class
10 P
Overcurrent factor
10
Other values on request
1 Three-phase current transformer
type 4MC63
possible in LST1
2 Cable-type current transformer
type 4MC70 33
possible in LST1,
and LST in all
panel blocks
For instructions concerning the use of double cables,
see page 20.
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 19
Components
Cable connections
8DH10 switchgear
Cable connections for circuit-breaker feeders type LST
in 8DH10 panels type LST1
Single cable connection (K) for 8DH10 panels type LST1
Single cable plugs
HA41-2506a eps
Make
Single cable plug (K)
Type
430TB-630 (up to 24 kV)
(K) 400TB/G
(K) 400LB/G
(K) 440TB/G
AGT10/630, AGT20/630
AGT L 10/630, AGT L 20/630
Südkabel
SEHDT (13/23)
SET (12/24)
nkt cables
CB12-630, CB24-630
AB24
Tyco Electronics RSTI-L56xx
Raychem
On request: RICS 5139
Kabeldon
90C 630-1/-2
Prysmian Kabel On request: FMCT s/j-400
und Systeme
(Pirelli Elektrik)
Euromold
575
a*
~627
750
775
Panel type LST1
* Dimension a: Available
mounting depth
for plugs in mm
Necessary cable compartment cover
Design
s
s
s
s
s
s
s
s
s
i
s
i
i
s
Mounting Standard
deeper by (. . . mm)
depth of (depth 36 mm) + 25 1)
+ 50 1)
+ 105 2)
the plug
Available mounting depth for plugs in mm
mm
183
255
202
260
185
175
280
188
190
190
185
222
172
265
223
248
273
328
•
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
•
–
•
–
–
–
–
–
–
–
–
–
o. r.
–
–
–
–
–
–
•
–
–
–
–
–
–
o. r.
–
•
–
•
•
–
•
•
•
•
o. r.
•
–
s = Screened
i = Insulated
• Possible
– Not possible
o. r. = On request
Instructions for the use of double cables and 4MC70 33 cable-type
current transformers:
• Depending on the make/type of the cable plug, a deep cable compartment cover is
necessary
• Depending on the make/type of the cable plug, the 4MC70 33 cable-type current
transformers are sometimes staggered, sometimes arranged underneath the
switchgear
• Use of 4MC70 33 cable-type current transformers with double cables (K+K) in feeders
– 8DH10, type LST1
– Possible with deep cable compartment cover, 300 mm deeper
– Not possible with deep cable compartment cover, 25 mm, 50 mm
or 105 mm deeper
– 8DH10, type LST1 (in panel blocks)
Possible with deep cable compartment cover, 105 mm deeper
(on request) and 300 mm deeper
– 8DJ20, type LST
Possible with deep cable compartment cover, 105 mm deeper
(on request) and 300 mm deeper
1) Cable compartment cover closed towards the bottom
2) Cable routing in extended baseframe
20 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Components
Cable connections in 8DH10 switchgear, type LST1
Double cable connection (K + K) for 8DH10 panels type LST1
Double cable plugs
Make
Euromold
Südkabel
nkt cables
Tyco Electronics
Raychem
Double cable plug (K+K)
Type
(K) 400TB/G + (K) 400LB/G with
screw-type coupling insert (K) 400CP-LB
430TB-630 + 300PB - 630 A
(without coupling insert)
(K) 400TB/G + (K) 400TB/G with
screw-type coupling insert (K) 400CP
(K) 400TB/G + 430 TB
(with (K) 400CP)
AGT 20/630 + AGT 20/630
each with metal housing
AGTL 20/630 + AGTL 20/630
each without metal housing
SEHDT (13/23) + SET (12/24)
SET (12/24) + SET (12/24)
with coupling insert KU23.2
SET (12/24) + SEHDK (13/23)
CB 24-630 + CB 24-630
with coupling piece
CB 24-630 + CC 24-630
AB 24-630 + AB 24-630
with coupling piece CP 630 A
AB 24-630 + AC 24-630
RSTI 56xx + RSTI 56xx, with RSTI 56CP
RSTI-L56xx + RSTI-CC-L56xx
FMCT s/j-400 + FMCT s/j-400
Prysmian Kabel
und Systeme
(Pirelli Elektrik)
Combination of double cables and current transformers
as three-phase current transformers
as cable-type current transformers
Necessary cable compartment cover
Arrange Mount- Standard
deeper by (. . . mm)
ing
(depth 36 mm)
+ 25 1)
+ 50 1)
+ 105 2)
ment
depth of
Available mounting depth for plugs in mm
combination
223
248
273
328
mm
368
518
K+K
447
–
–
–
–
–
•
K+K
290
–
–
–
•
–
–
K+K
505
–
–
–
–
–
o. r.
K+K
403
–
–
–
–
–
•
K+K
370
–
–
–
–
–
•
K+K
370
–
–
–
–
–
•
K+K
K+K
450
–
–
–
–
–
•
378
–
–
–
–
–
•
K+K
K+K
298
370
–
–
–
–
–
–
•
–
–
–
–
•
K+K
K+K
290
370
–
–
–
–
–
–
•
–
–
–
–
•
K+K
K+K
K+K
K+K
290
365
290
490
–
–
–
–
–
–
–
–
–
–
–
–
•
–
•
–
–
–
–
–
–
•
–
o. r.
K+K
s. a.
–
–
–
•
–
•
K+K
s. a.
–
–
–
o. r.
–
•
+ 150 2)
+ 300 2)
Connection with cable plugs and surge arresters (K + Ü, or Ü + K) for 8DH10 panels type LST1
Cable plugs with surge arresters
Make
Euromold
Südkabel
nkt cables
Tyco Electronics
Raychem
Cable plugs (K) with
surge arresters (Ü)
Type
430TB-630 + 300SA-5, -10
(K) 400TB/G + 400PB-..SA
400PB-..SA + (K) 400LB/G
400PB-..SA + AGT 20/630
400PB-..SA + AGTL 20/630
SET (12/24) + SET (12/24) + MUT (13/23)
SET (12/24) + MUT (13/23)
CB 12-630 + CSAxx,
CB 24-630 + CSAxx
AG 24-630 + ASA 24-5
RSTI-L56xx + RSTI-CC-L56SAxx05
including coupling
o.r.: RICS 5139 + RDA
Necessary cable compartment cover
Arrange Mount- Standard
deeper by (. . . mm)
ing
(depth 36 mm)
+ 50 1)
+ 105 2) + 150 2)
+ 25 1)
ment
depth of
Available mounting depth for combination in mm
combination
223
248
273
328
368
mm
518
(K+Ü)
(K+Ü)
(Ü+K)
(Ü+K)
(Ü+K)
(K+K+Ü)
(K+Ü)
(K+Ü)
290
410
355
330
330
491
301
290
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
•
–
–
–
–
–
•
•
–
–
–
–
–
–
–
–
–
•
•
•
•
•
–
–
(K+Ü)
(K+Ü)
285
290
–
–
–
–
–
–
•
•
–
–
–
–
(K+Ü)
275
o. r.
–
–
–
–
–
+ 300 2)
• Possible
– Not possible
Abbrevations:
Floor openings: See Catalog HA 41.11 (8DH10)
o. r. = On request
s. a. = See above
K = Cable plug
Ü = Surge arrester
Depending on additional options (e.g. surge arrester,
2nd cable, cable-type current transformer), other floor
openings have to be provided as standard accordingly.
1) Cable compartment cover closed towards the bottom
2) Cable routing in extended baseframe
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 21
Components
Cable connections in 8DJ20 and 8DH10 switchgear, feeder type LST
Standard connection
HA41-2629 eps
HA41-2628 eps
Double cable connection (examples)
1 Cable compartment cover
Example for 1400 mm
overall height of switchgear
2 Cable T-plug
3 Coupling plug
4 Cable plug
5 Surge arrester
2
553
2
3
553
290*
315*
1
~560
~560
610***
63
~560
101
585*
750
750
772
775
775
Deep cable compartment cover
for 8DH10 switchgear with pressure absorber system (overall
height of switchgear 1700 mm):
Required cable
compartment cover,
deeper by …mm
~245**
~560
900***
715***
1047
852
1075
880
25 mm deeper cable 105 mm deeper cable 300 mm deeper cable
compartment cover
compartment cover compartment cover
Overall height
of switchgea
Required cable compartment cover deeper by …
Type
mm
Standard +25 mm
+50 mm
+105 mm +150 mm +300 mm
8DJ20
1200 1)
•
•
– 2)
•
o. r.
•
2)
•
o. r.
•
•
o. r.
•
8DJ20 / 8DH10
1400
•
•
–
8DJ20
1760
•
•
– 2)
Connection with cable plug and surge arrester (examples)
HA41-2630 eps
Possible connection combinations for circuit-breaker feeder
LST or LST1
1
~190**
~560
800
Standard cable
compartment cover
Switchgear
1
101
635***
+25
2
395*
1
635***
Standard cable compartment cover
for feeder type LST for 8DJ20 and
8DH10 switchgear
Arrangement of
connection combinations
2
575
575
290*
1
63
2
3
Dimension a
(for make Raychem,
type RDA)
Example for 1400 mm
overall height of switchgear
+105 +150 +300
for LST (width = 350 mm)
–
•
•
•
•
–
K+Ü
•
–
K+K+Ü
–
–
–
•
for LST1 (width = 500 mm)
K+K
–
•
–
•
K+Ü
–
•
–
–
K+K+Ü
–
–
–
•
• Possible – Not possible
290*
1) In the case of 1200 mm overall
height of 8DJ20 switchgear the
cable T-plugs of the double
cable or the surge arresters protrude into the cable basement
2) No double cable connection or
cable connection with surge
arresters for cable compartment covers deeper by +50 mm
are available on the market at
present
3) Not possible, because the surge
arrester would reach below the
closed cable compartment
cover
2
315*
5
2
341*
5
1
~560
63
Abbreviations:
K = Cable plug
Ü = Surge arrester
4
553
2
435*
5
5
575
K+K
1
~560
1
~560
1
~560
a***
610***
610***
610***
750
772
797
897
775
800
Standard cable
compartment cover
Switchgear
Overall height
of switchgear
825
925
25 mm deeper cable 50 mm deeper cable
compartment cover compartment cover
150 mm deeper cable
compartment cover
Required cable compartment cover deeper by …
Type
mm
Standard +25 mm
+50 mm
+105 mm +150 mm +300 mm
8DJ20
1200
– 3)
– 3)
– 2)
•
– 3)
•
8DJ20 / 8DH10
1400
•
•
– 2)
•
•
•
8DJ20
1760
•
•
– 2)
•
•
•
B Dimension for bushing as
interface type “C” with
bolted contact (M16)
* Max. mounting space for
** Dependent on the type
of cable plug
*** Depth of floor opening
• Possible
– Not possible
o. r. = On request
cable and/or surge arrester
22 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Components
Cable connections in 8DJ20 and 8DH10 switchgear, feeder type LST
Double cable connection (depending on the overall height of the switchgear; refer to page 22)
Double cable plugs
Connection combination
Make
Design
Arrange- Mount- Standard
deeper by (. . . mm)
ment
ing
(depth 36 mm) + 25 1) + 50 1) + 105 2) + 150 2) + 300 2)
depth of Available depth (. . . mm)
combination
290
315
341
395
435
585
mm
screened
K+K
Se- Cable plugs
rial
No.
Type
Euromold
Südkabel
nkt cables
505
Required cable compartment cover
1
(K) 400 TB/G + (K) 400 TB/G
with screw-type coupling insert (K) 400 CP
–
–
–
–
–
•
2
(K) 400 TB/G + (K) 400 LB/G (with (K) 400 CP-LB)
screened
K+K
447
–
–
–
–
–
•
3
430 TB + 300 PB - 630 A (without coupling insert)
screened
K+K
290
•
–
–
–
–
–
4
(K) 400 TB/G + 430 TB (with (K) 400 CP)
screened
K+K
403
–
–
–
–
–
•
5
AGT 20/630 + AGT 20/630 4)
screened
K+K
370
–
–
–
•
–
–
6
AGTL 20/630 + AGTL 20/630
each without metal housing
screened
K+K
370
–
–
–
•
–
–
7
SEHDT (13/23) + SEHDT (13/23) + KU 23
screened
K+K
540
–
–
–
–
–
•
8
SEHDT (13/23) + SET (12/24) + KU 23
screened
K+K
450
–
–
–
–
–
•
9
SET (12/24) + SET (12/24) with coupling piece KU 23.2 screened
K+K
378
–
–
–
•
–
–
CB 24-630 + CB 24-630 with coupling piece CP 630C
screened
K+K
370
–
–
–
o. r.
–
•
–
10
11
CB 24-630 + CC 24-630
screened
K+K
290
•
–
–
–
–
12
AB 24-630 + AB 24-630 with coupling piece CP 630A
insulated
K+K
370
–
–
–
o. r.
–
•
13
AB 24-630 + AC 24-630
insulated
K+K
290
–
o. r.
–
–
–
–
RSTI 56xx + RSTI 56CP
screened
K+K
365
–
–
–
–
o. r.
•
RSTI-L56xx + RSTI-CC-L56xx
screened
K+K
290
•
–
–
–
–
–
K+K
s. a.
–
–
–
–
–
–
K+K
s. a.
–
–
–
o. r.
o. r.
•
Tyco Electron- 14
ics Raychem
15
Combination of double cables and current transformers
as three-phase current transformers
as cable-type current transformers
Connection with cable plugs and surge arresters (depending on the overall height of the switchgear; refer to page 22)
Cable plugs with surge arresters
Make
Se- Cable plugs with surge arresters
rial or
No. Surge arresters with cable plugs
Connection combination
Design
Type
Euromold
Südkabel
nkt cables
Tyco
Electronics
Raychem
Required cable compartment cover
Arrange- Mount- Standard
deeper by (. . . mm)
ment
ing
(depth 36 mm) + 25 1) + 50 1) + 105 3) + 150 1) + 300 1)
depth of Available depth (. . . mm)
combination
290
315
341
395
435
585
mm
1
(K) 400 TB/G + 400 PB - . . SA
screened
K+Ü
410
–
–
–
–
•
–
2
430 TB + 300 SA-5, -10
screened
K+Ü
290
•
–
–
–
–
–
–
3
400 PB- . . SA + (K) 400 LB/G
screened
Ü+K
355
–
–
–
•
–
4
400 PB- . . SA + AGT 20/630 (screened 4))
screened
Ü+K
330
–
–
–
•
–
–
5
400 PB- . . SA + AGTL 20/630 (screened)
screened
Ü+K
330
–
–
–
•
–
–
6
SET (12/24) + SET (12/24) + MUT (13/23)
with coupling piece KU 23.2
screened
K+K+
Ü
491
–
–
–
–
–
•
7
SET (12/24) + MUT (13/23)
screened
K+Ü
301
–
•
–
–
–
–
8
SEHDT (13/23) 4) + MUW (12/22) 4)
screened
K+Ü
435
–
–
–
–
•
–
9
SEHDT (13/23) 4) + MUT 33 4)
screened
K+Ü
516
–
–
–
–
–
•
10
CB 24-630 + CSA 24-5
screened
K+Ü
290
•
–
–
–
–
–
11
AB 24-630 + ASA 24-5
insulated
K+Ü
285
–
•
–
–
–
–
12
RICS 5139 + RDA . . .
insulated
K+Ü
275
•
–
–
–
–
–
13
RSTI-L56xx + RSTI-L56 SA - xx - 05 + coupling piece
(= RSTI 56 - CC - L56 SAxx 05)
screened
K+Ü
290
•
–
–
–
–
–
K+Ü
275
•
–
–
–
–
–
14 RICS 5139 + RDA
insulated
• Possible
– Not possible
Abbreviations:
o. r. = On request
s. a. = See above
K = Cable plug
Ü = Surge arrester
Floor openings: See Catalogs HA 41.11 (8DH10)
and HA 45.31 (8DJ20)
1) Cable compartment cover closed towards the bottom
Depending on additional options (e.g. surge arrester,
2nd cable, cable-type current transformer), other floor
openings have to be provided as standard accordingly.
3) Cable routing in extended base frame for arrangement of Ü + K
2) Cable routing in extended base frame for arrangement of K + K
4) With metal housing
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 23
Components
Protection system
Protection devices available as standard protection systems
consisting of:
• Protection devices
• Releases at the disconnecting circuit-breaker designed as
– Shunt release (f)
or
– C.t.-operated release (low-energy 0.1 Ws)
Mounting location
Release
Relay
HA41-2508 eps
• Current transformers designed as
– Cable-type current transformer (standard)
– Three-phase current transformer optionally for 8DH10 panels type
LST1
Scheme
• Standard for 8DJ20 and 8DH10:
In the low-voltage niche of the feeder panel
• Option:
In the low-voltage compartment of the circuit-breaker feeder
– Type LST (8DJ20 and 8DH10)
– Type LST1 (only for 8DH10)
Protection devices
• Protection devices based on “c.t.-operated principle”
– Make Siemens, type 7SJ45
– Make SEG, types WIC 1-2P, WIC 1-3P, WIP-1
• Protection devices with auxiliary voltage supply
– Make Siemens, type 7SJ46
– Other types on request
Examples for transformer protection
Transformer
rating
kV
kVA
6
> 160
10
> 200
7SJ45, 7SJ46
> 250
WIC 1-2P
13.8
15
20
Available relay types
WIC 1-2P, 7SJ45, 7SJ46
> 250
7SJ45, 7SJ46
> 400
WIC 1-2P
> 315
7SJ45, 7SJ46
> 400
WIC 1-2P
> 400
7SJ45, 7SJ46
> 500
WIC 1-2P
R-HA45-100d. eps
Operating
voltage
8DJ20 switchgear
24 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Shipping
Transport data for 8DJ20 switchgear
Scheme
no.
Version Switchgear Transport dimensions 1) Volume
(abbrevi- height
ations)
(without 1) Width Height Depth
LV
compartment)
m
m
m
m3
mm
Gross
weight 2)
approx. kg
Transport in Europe by rail, truck, container
Packing with PE protective foil and wooden base
10
20
21
71
2RK+
1LST
1RK+
1LST
1K(E)+
1LST
3RK+
1LST
Scheme
no.
Version Switchgear Transport dimensions 1) Volume
(abbrevi- height
ations)
(without 1) Width Height Depth
LV
compartment)
m
m
m
m3
mm
Gross
weight 2)
approx. kg
Transport overseas by seafreight
Packing with PE protective foil and seaworthy crate
1200
1.45
1.4
1.10
2.23
450
1400
1.45
1.6
1.10
2.55
480
1760
1.45
1.96
1.10
3.13
510
1200
1.10
1.4
1.10
1.69
350
1400
1.10
1.6
1.10
1.94
370
1760
1.10
1.96
1.10
2.37
400
1200
1.10
1.4
1.10
1.69
350
1400
1.10
1.6
1.10
1.94
370
1760
1.10
1.96
1.10
2.37
400
1200
1.80
1.4
1.10
2.77
540
1400
1.80
1.6
1.10
3.17
580
1760
1.80
1.96
1.10
3.88
620
10
20
21
71
2RK+
1LST
1RK+
1LST
1K(E)+
1LST
3RK+
1LST
1200
1.45
2.0
1.15
3.34
480
1400
1.45
2.0
1.15
3.34
500
1760
1.45
2.0
1.15
3.34
540
1200
1.10
2.0
1.15
2.53
410
1400
1.10
2.0
1.15
2.53
430
1760
1.10
2.0
1.15
2.53
470
1200
1.10
2.0
1.15
2.53
410
1400
1.10
2.0
1.15
2.53
430
1760
1.10
2.0
1.15
2.53
470
1200
1.80
2.0
1.15
4.14
550
1400
1.80
2.0
1.15
4.14
570
1760
1.80
2.0
1.15
4.14
620
1) Switchgear with low-voltage compartment:
Please observe other transport dimensions and weights.
2) Depending on the relevant equipment,
e.g. motor operating mechanism.
Abbreviations:
RK = Ring-main feeder
K(E) = Cable feeder for radial cable connection
with make-proof earthing switch
LST = Circuit-breaker feeder with disconnecting function
Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008 25
Standards
Standards, specifications, guidelines
Standards
The 8DJ/8DH switchgear types
comply with the relevant
standards and specifications
applicable at the time of type
tests.
In accordance with the harmonization agreement reached by
the countries of the European
Community, their national
specifications conform to the
IEC standard.
Overview of standards (July 2008)
Switchgear
8DJ, 8DH
Switching
devices
Circuit-breaker
Disconnector and
earthing switch
Switch-disconnector
Switch-disconnector /
fuse combination
HV HRC fuses
Voltage detecting systems
–
–
Current transformers
Voltage transformers
Combined transformers
–
Degree of protection
Insulation
Instrument
transformers
Installation
Type of service location
8DJ/8DH switchgear can be
used as indoor installations
in accordance with IEC 61 936
(Power installations exceeding
1 kV AC) and VDE 0101:
• Outside lockable electrical
service locations at places
which are not accessible to
the public. Enclosures of
switchgear can only be
removed with tools.
• Inside lockable electrical
service locations. A lockable
electrical service location is
a place outdoors or indoors
that is reserved exclusively
for housing electrical equipment and which is kept under lock and key. Access is
restricted to authorized personnel and persons who
have been properly instructed in electrical engineering.
Untrained or unskilled
persons may only enter under the supervision of authorized personnel or properly
instructed persons.
IEC standard
VDE standard
EN standard
IEC 62 271-1
IEC 62 271-200
IEC 62 271-100
IEC 62 271-102
VDE 0671-1
VDE 0671-200
VDE 0671-100
VDE 0671-102
EN 62 271-1
EN 62 271-200
EN 62 271-100
EN 62 271-102
IEC 60 265-1
IEC 62 271-105
VDE 0670-301
VDE 0671-105
EN 60 265-1
EN 62 271-105
IEC 60 282-1
IEC 61 243-5
IEC 60 529
IEC 60 071
IEC 60 044-1
IEC 60 044-2
IEC 60 044-3
IEC 61 936-1
VDE 0670-4
VDE 0682-415
VDE 0470-1
VDE 0111
VDE 0414-1
VDE 0414-2
VDE 0414-5
VDE 0101
EN 60 282
EN 61 243-5
EN 60 529
EN 60 071
EN 60 044-1
EN 60 044-2
EN 60 044-3
–
Climate and ambient
conditions
8DJ/8DH switchgear types are
fully enclosed and insensitive to
climatic conditions.
• Climatic tests fulfilled in
accordance with IEC 60 932
(report)
• All medium-voltage devices
(except for HV HRC fuses)
are installed in a gas-tight,
welded stainless steel
switchgear vessel which is
filled with SF6 gas
• Live parts outside the switchgear vessel are provided with
single-pole enclosure
• At no point can creepage
currents flow from highvoltage potentials to earth
Terms
• “Make-proof earthing
switches” are earthing
switches with short-circuit
making capacity according
to
– IEC 62 271-102 and
– VDE 0671-102
• Circuit-breaker as disconnecting circuit-breaker (LST)
with disconnecting function
as three-position switch
with the functions:
– Circuit-breaker
(CLOSED-OPEN)
– Disconnecting function
(OPEN) and
– Make-proof earthing switch
LST = Circuit-breaker with
disconnecting function
• Operating mechanism
parts which are functionally important are made of
corrosion-proof materials
• Bearings in operating
mechanisms are designed
as dry-type bearings and
do not require lubrication.
Responsible for
Technical contents:
Christoph Maul
Siemens AG, Dept. E D MV 2 PPM
Erlangen
General editing:
Claudia Kühn-Sutiono,
Gabriele Pollok
Siemens AG, Dept. E CC MCC R
Erlangen
26 Switchgear Types 8DJ20 and 8DH10 up to 24 kV, Gas-Insulated, Circuit-Breaker Feeders up to 630 A, Type LST · Siemens Supplements to Catalogs HA 45.31 / 41.11 · 2008
Published by and copyright © 2008:
Siemens AG
Energy Sector
Freyeslebenstrasse 1
91058 Erlangen, Germany
Siemens AG
Energy Sector
Power Distribution Division
Medium Voltage
Postfach 32 40
91050 Erlangen, Germany
www.siemens.com/medium-voltage-switchgear
For more information, please contact our
Customer Support Center.
Phone: +49 180 524 70 00
Fax:
+49 180 524 24 71
(Charges depending on provider)
E-mail: support.energy@siemens.com
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Printed in Germany
Dispo 31601
KG 08.08 4.0 28 En
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Printed on elementary chlorine-free bleached paper.
All rights reserved.
If not stated otherwise on the individual pages of this
catalog, we reserve the right to include modifications,
especially regarding the stated values, dimensions and weights.
Drawings are not binding.
All product designations used are trademarks or product
names of Siemens AG or other suppliers.
If not stated otherwise, all dimensions in this
catalog are given in mm.
Subject to change without prior notice.
The information in this document contains general
descriptions of the technical options available, which
may not apply in all cases. The required technical
options should therefore be specified in the contract.
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