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TEC hnology www.entecene.co.kr
Version 1.0

Front Double Layer
Side View : Busbar Connection Terminal
Features
Environmentally Friendly Solid Dielectric Application
High Reliability by Vacuum Interrupter
Improved Safety for operator by Double Layer Case
3-Position Disconnector
Compact Size and Easy Installation
Convenient Extension by Modula Structure
Remote control Available for Distribution automation

02 / 03
Layout
11
1
2
8
4
3
6
5
9
7
10
1 Operation Mechanism Box
2 Load break switch close /open lever
3 DS close /open lever : Interlock between earth & close
4 DS earth/open/close lever :
Three position lever
5 Fuse module close/open lever :
Connection lever between main circuit and fuse module
6 Open button of fuse module and main circuit : Open of load break switch
7 DS close /open & earth
8 Live line indicator
9 Fuse and fuse compartment
10 Bushing Terminal
11 Main Busbar connection terminal
Application
High voltage switchgear and controlgear
Common specifications for high-voltage switchgear and controlgear standards-IEC 62271-100
Alternating current disconnectors and earthing switches-IEC-62271-102
Alternating current switch-fuse combination-IEC 62271-105
High-voltage alternating current switchgear-fuse combination-IEC 62271-107
AC insulation- enclosed Switchgear and controlgear for rated vlotage above 1kV and up to and including 52 kV -IEC 62271-201
Commercial building Residential transformer station
Small industry Distribution station Wind power plant Railway substation

ETRMU CFC
1
2
1
2
Cable switch
3
5
3
4
6
4
Fused switch Cable switch
Cable switch
❶
❷
❸
❹
❺
❻
Switch Open/Close manual operation lever
Switch Status indicator
Disconnector Earth>Close, Interlock lever
Disconnector Status indicator
Disconnector Earth, Open, Close manual lever
Operation handle
Switch main feature
Load breaking
Earth, Open and Close (3 level operation)
Interlock between switch and DS
Switch and Disconnector status indicators
Fuse switch
❶
❷
❸
❹
Fuse close lever
Fuse status indicator
Fuse open operation button
Disconnector Earth/Open/Close manual lever
Fuse main feature
Load breaking
Button type fuse open device
Earth, Open, Close (3 level operation)
Fuse, Disconnector status indicator

ETRMU CVC
Rated voltage
Rated current busbar system
Impulse withstand voltage
Power frequency withstand voltage
Rated short-time withstand current
Rated peak withstand current
Circuit-breaker
Rated voltage
Rated current
Rated breaking current
Rated short-circuit making current
Load break switch
Rated voltage
Rated current
Rated load breaking current
Rated short circuit making current
Fused switch
Rated voltage
Rated current
Rated load breaking current
12kV
630A
75kV
28kV
20kA/4s
52kA
12kV
630A
20kV
52kV
12kV
630A
630A
52kV
12kV
200A
630A
24kV
630A
125kV
60kV
16kA/4s
41.6kA
24kV
630A
16kV
41.6kV
24kV
630A
630A
41.6kV
24kV
100A
630A
04 / 05

Combination with vacuum switch and current limit fuses
Fast interruption
Current limit
Cost efficient
Compact size
Safe isolation
Uniform electric field
Potential in a vacuum interrupter Electric field in a vacuum interrupter
Application Standards
IEC 62271 part : High voltage switchgear and controlgear
IEC 62271-001 : Common specifications for high voltage switchgear and controlgear standards
IEC 62271-100 : High-voltage alternating current circuit-breakers
IEC 62271-103 : Alternating current disconnector and earth switches
IEC 62271-105 : Alternating current switch-fuse combinations
IEC 62271-107 : High-voltage alternating current switchgear-fuse combinations
DIN-43625 : High-voltage fuses; rated voltages 3,6 to 36 kV; fuse-links
1
3
2
4
❶
❷
❸
❹
Striker
Solid insulated frame
Fuse
H.V connection terminal
Electric field of three phase fuse
Density
Vector
Selection
6
S
L
45
D
33
Table 1
Rated voltage
Table 2
12kV
24kV
Voltage
(kV)
11
13.8
15
6
6.6
10
20
22
3
3.3
4.2
5.5
Rating
10 to 50
63 to 125
160 to 200
10 to 25
31.5 to 40
50 to 80
100 to 200
L (length) (mm)
292
442
D (Diameter) (mm) S (Operating Stroke) (mm)
53
67
85
50.5
55
76
86
35
Rating in a overload, ( -25 ˚ C < T < 40 ˚ C )
50
20
20
20
16
16
10
10
10
20
20
20
75
31.5
25
25
10
10
10
100
40
25
16
16
10
25
25
25
40
40
50
Transformer Capacity (kVA)
125 160 200 250 315 400 500 630
General case, IEC 60282-1, IEC 62271-105
50
40
63
63
80
63
50
80
100
800
125
125
160
100
63 80
160
125
20
20
16
31.5
31.5
16
25
16
40
40
25
20
20
16
50
31.5
25
25
25
20
50
50
40
40
31.5
31.5
25
63
40
63
50
40
80
40
31.5
20 25 31.5
50
100
100
80
63
50
50
40
40
800
160
125
125
100
80
63
1000 1250 1600 2000
160
160
125
100
80
160
125
100
160
125
63
63
100
80 100
63 80 100
50 63 80 100
12(kV)
24(kV)

Structure
1
2
3
4
5
6
Special Design
❶
❷
❸
❹
❺
❻
Solid dielectric housing
Vacuum interrupter
Three position disconnector
Extensible busbar system
Integrated current transformer
H.V Termination interface
(IEEE 348. DIN 47636)
Electrical field and magnet field Control technology
Epoxy Resin Cast Technology
3D design and simulation
Minimum number of parts
Maintenance free
Easy Integration of Automation Function
06 / 07
Installation
S
D
Cable Cross-section (mm 2 )
35
50 to 70
95
95 to 325
S (Space between ETRMU and wall) : 500mm
D (depth) (mm)
725
800
860
970

CFC Diagram
Cable Switch
CFC-F Diagram
Fused Switch
CVC Diagram CVC-V Diagram
CFC-C Diagram Extension
Module
Circuit Breaker
CVC-F Diagram
CVC-C Diagram
Extension
Module
Combination of RMU unit chart
Unit
CFC
CFF
CFFC
CFCF
CCFF
CFFF
CVC
CVV
CVVC
CVCV
CCVV
CVVV
CVF
CVFC
CVFF
CFVV
Extension
-C
-F
-V

08 / 09
York
Airgap
Closing coil
Magnet(Nd)
Plunger
Open coil
Shaft
Close
Operation of circuit breaker use PMA
An excellent characteristic of mechanical operating
An excellent durability
A few part
An uniformity characteristic
Open
Specification permanent magnetic actuator
Rating of permanent magnet actuator
Stroke
Bouncing time
Close speed
Open speed
Operation close time
Operation open time
21.5~22.5mm
3ms
0.5~09m/s
0.9~1.4m/s
60ms
20ms
Geometry of 3D
Close Open
Operating mechanism
Fuse section-Two position of open and close
Cable switch disconnector-Three position of close, open and earth
Specification
Height
Width
Depth
Weight
Closing speed
Open speed
257mm
377mm
266mm
20kg
0.5~0.9m/s
0.9~1.2m/s

Communication
Protection
Metering
Multi-Protocol Support
DNP3.0, Modbus
IEC60870
USER Reconfigurable Map
Point Remap & Reclass
Status invert function
Multiple Physical Layer Support
RS-232, RS-485
Ethernet (TCP-IP)
Fiber-Optic (Option)
Modem Support
Full & Half Duplex Modem
Dial-Up Modem (Option)
Time current curve editable
IEEE, IEC and 37 non-standard inverse time curves
Protective settings in nonvolatile memory during power failure
Time delay over current protection
Instantaneous over current protection
Negative sequence over current protection
Cold load pickup and sequence coordination
Under frequency and load sheedding
Under voltage, overvoltage detection and alarm etc.
Voltage, Current
Measures KW and KWH, Power factor
Demand watts and VARs and frequency
Load Profile data & Ocillogram
Switch Control : EPGS1A
Control & Communication Unit : ETR-106
Dual Protection Relay : ETR-102
Built-In RTU : ETR-104

ETRMU
Down-Town
Green Life
Leisure
Residence
ETRMU
ETRMU
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The ETRMU is compact combining functional units to enable connection, supply and protection of one or two transformers on open ring network
By a fuse-switch combination
By a circuit breaker with self-powered protection unit

Ex) ETRMU S1-3-2S1FM
1 12kV
2 24kV
3 38kV
G Gas insulation
S Solid dielectric
N Total number of Way x, y, z : 1~6
S Load break switch
B Circuit beraker
F Fused switch
M Manual
E Electrical
A Auto
*Note. Product structure and arrangement shall be modified without notice
78-2 BUNCHEON-RI BONGDAM-EUP HWASEONG-CITY GYUNGGI-DO KOREA
TEL: +82-31-227-1161 FAX : +82-31-227-1164 http://www.entecene.co.kr E-mail : entec@entecene.co.kr