Safety Notices
Innovators in Protection Technology
Instruction Manual for
Switch Disconnectors
Types
S400- NN
S630- NN
Be sure to read these Instructions and other associated documents accompanying the
product thoroughly to be familiarize yourself with the product handling, safety information,
and all other precautions before mounting, using, servicing, or inspecting the product. In
these Instructions, safety notices are divided into "Warning" and "Caution" according to the
hazard level:
Warning : A warning notice with this symbol indicates that neglecting the suggested
procedure or practice could result in lethal or serious personal injury.
Caution : A caution notice with this symbol indicates that neglecting the suggested
procedure or practice could result in moderate or slight personal injury and/or property
damage.
Caution notices could result in serious results in some cases.
Note that failing to observe
Because safety notices contain important information, be sure to read and observe them.
■Mounting Precautions
(For detailed mounting dimensions, refer to the TemBreak2 catalogue.)
■Maintenance Precautions
Caution
Caution
●Service and/or inspection of the product must be done by persons having expert
knowledge.
●Before servicing or inspecting the product, open an upstream circuit breaker or the
like to isolate all sources of power. Otherwise, electric shock may result..
●Regularly check that the switch disconnector terminal screws are tightened to
torque values shown within this manual, failure to do so may result in fire.
●Electrical work should only be undertaken by suitably qualified persons.
●Do not place the product in an area that is subject to high temperature, high humidity,
excessive dusty air, corrosive gas, strong vibration and shock, or other unusual
conditions. Mounting in such areas could cause a fire or malfunction.
●Be careful to prevent foreign objects (debris, concrete powder, iron powder, etc.) and
rainwater from entering product. These materials inside the product could cause a fire
or malfunction.
●Prior to commencing any work on the product, open an upstream circuit breaker or isolator
to ensure that no voltage is applied to the product. Otherwise, electrical shock may result.
●When connecting cable or busbar to the product, tighten terminal screws to the torque
specified in this manual. Otherwise, a fire could result.
■Other Precautions
・ Do not carry this product by accessory leads, as this may cause damage to the
product.
・ Unauthorised opening of the switch disconnector cover will invalidate product
warranty.
・ When installing the product, use wires or conductors, the cross sectional areas of
which accommodate the rated current of the product. Using wires or conductors with
inadequate cross sectional areas may cause false tripping and overheat.
■Handling Precautions
Warning
This product is the Switch Disconnector.
This is not a molded case circuit breaker.
This product does not provide protection
against short circuit and overcurrent.
●Never touch terminals. Otherwise, electric shock may result.
Please retain this manual for future reference. The Manufacturer assumes no
responsibility for damages resulting from non-application or incorrect application of the
instructions provided herein.
7-2-10 Kamihigashi, Hiranoku, Osaka
547-0002, Japan
TEL: 81-6-6791-9323/ FAX: 81-6-6791-9274
URL： www.terasaki.co.jp
E-mail：int-sales@terasaki.co.jp
2G0433SAC( KRB-0413c)
Packaged Items/Assembly Tools
Operating Instructions
Instr
uctio
n
Switch
Disconnector：1
Fitting Internal Accessories
Instruction Manual：1
(This document)
Auxiliary Switch
M Type
B Type
Interpole Barrier
(Only FC)
TRIPPED
T2AX00M
＊
M type
＊
T2AX00B
Ring Mark
Alarm Switch
M Type
B Type
3P： 2
4P： 3
T2AL00M
＊
Auxiliary Switch
a contact
Handle
Shunt Trip
＊
T2SH00
Type
400AF
S
Front
Connected
（FC）
Rear
Connected
（RC）
Plug-in Connected
（PM）
Flush Plate
Where
Applicable
（F.P）
3P
4P
3P
4P
3P
4P
3P
4P
3P
4P
3P
4P
3P
4P
6
8
4
4
6
8
4
4
4
4
6
8
4
4
S400-NN
（ ON）
＊
T2UV00
10mm
S630-NN
Trip Button
M10×25
M10×30
M6×100
M6×100
M12×35
M12×30
M6×100
M6×100
M6×120
M6×120
M12×35
M12×30
M6×25
M6×25
（ OFF）
Combination
（ON）
（OFF）
RESET
（ON）
Slits of pulling out leads
（OFF）
Operation
10 13 17 19
Removal
Pull Out Leads on Load Side
5 6 8
○( OFF) ⇒ ｜( ON)
｜( ON) ⇒ ○( OFF)
TRIP⇒ ○( OFF)
Operation effort
110N
115N
125N
In case of fitting one (or two) auxiliary
switch, fit in an order from a left sideslot.
・ After fitting, verify the function of the Accessory.
AX
AL
SH
UV
V
b contact
a contact b contact
11/AXc-14/AXa 11/AXc-12/AXb 91/ALc 91/ALc
21/AXc-24/AXa 21/AXc-22/AXb
31/AXc-34/AXa 31/AXc-32/AXb 94/ALa 92/ALb
Undervoltagie Trip
＊Symbols of Accessories
（ OFF）
M Type
Qty
630AF
S
B Type
Connections/Poles
Alarm Switch
＊
T2AL00B
Shunt Trip
power source
Undervoltage Trip
power source
C1-C2
D1-D2
Breaker Mounting Procedure for FC / RC
Breaker Mounting Procedure for F.P ( Where Applicable )
Conductor Connection Procedure
for RC / F.P ( Where Applicable )
Solderless Terminals Mounting Procedure for FC
O
6
Z
φM
N
10
19
P
N
Flat Bar Stud
V
T2RP40＊S
5
Solderless Terminal
T2FW40S＊
（400AF）
（400AF）
T2RP46＊S
W
（630AF）
＊：3 or4（Poles）
＊：3 or4（Poles）
A
Ａ
2G0433SAC( KRB-0413c)
M6×100
6.0∼7.4N・m
Flush Plate
N
T2FP40S＊
M
＊：3 or4（Poles）
P
M6×25
6.0∼7.4N・m
Conductor Connection Procedure for FC
O
8
400AF
630AF
M10×20
M8×25
18.6∼29.4N･m 6 8.8∼14.7N･m
14mm
13mm
M12×35
M12×30
40.2∼65.7N･m
V
W
≦25mm
≦240mm2
X
Special Screw
M8×25
Z
7∼9.5N･m
25N･m
13
X
Conductor Connection Procedure for PM
Plug-in Mounting Block Mounting Procedure for PM
G
J
8
φD
φH
K
φS
19
U
φS
C
F
E
B
C
D
E
F
G
H
B
400AF
630AF
≦25mm
≦12.5mm
10.5mm
≦25mm
≦12mm
≦12mm
≦10mm
11mm
17
T
J
Flat Bar
8
T2FB40＊B
R
Q
Q
（400AF）
T2FB46＊B
（630AF）
＊：3 or4（Poles）
J
K
Breaker Mounting Procedure for PM
Interpole Barrier
Mounting Procedure
400AF
630AF
M10×30
M10×25
13.7∼22.5N･m
M12×40
M12×35
40.2∼65.7N･m
Terminal Cover
Mounting Procedure
L
L
M5×30
3.6∼4.4N・m
Handle Holder / Lock Mounting Procedure
Handle Holder/Lock
（OFF）
T2HL40
Interpole Barrier
T2BA40＊S
＊：3 or4（Poles）
（ON）
Y
・When removing, remove the items in reverse order of mounting.
Terminal Cover Lock
T2CF00L
Y
M6×120
6.0∼7.4N・m
Connection
Terminal Cover
FC ( without Flat Bar )
T2CF40＊SL
FC ( with Flat Bar )
T2CF40＊SW
RC / PM
T2CR40＊S
max×3（φ5∼8）
＊：3 or4（Poles）
・When removing, remove the items in
reverse order of mounting.
・When removing, remove the items in
reverse order of mounting.
・Handle holder/ lock can be fitted in any position of ｜(ON) and ○(OFF).
・When you use this item as the handle lock, please fit padlocks in the procedure of ③.
・When removing, remove the items in reverse order of mounting.
Q
R
S
T
≦30mm
≦20mm
11mm
≦20mm
U
M10
18.6∼29.4N・m