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> SCM Series moulded case circuit breaker

> Specification
Type Thermal magnetic release Electronic release
Rated current Note Rated Note
In(A) current In(A)
12.5,16,20,25,32,40, T fixed
SCM-125 -
50,63,80,100,125 M fixed
16,20,25,32,40,50, T fixed or
SCM-125L/3P SCM-160 adjustable (0.7~1In) -
63,80,100,125,160 M fixed
100,125,160,180, T fixed or
SCM-250 adjustable (0.7~1In) -
225,250 M fixed
225,250,315, T fixed or I1=0.4 1 In AM3 PR211(L-LI)
SCM-400 adjustable (0.7~1In) 320,400
350,400 M fixed I1=0.4 1 In AM3 PR212(LSI-LSIG)
T fixed Tripping between 1.05 1.3 I1
2
SCM-630 400,500,630 630 (IEC60947-2) I t=constant
M fixed (Long-time overload protection)
T fixed I2=1-2-3-4-6-8-10 In
SCM-800 630,700,800 800 t2=0.05s, 0.1s, 0.25s, 0.5s adjustable
M fixed
(Short-circuit short time delay
800,1000, protection)
SCM-1250 - -
1250 I3=1.5-2-4-6-8-10-12 In
SCM-250L/3P (Instantaneous short-circuit
1000,1250,
SCM-1600 - - protection)
1600
I4=0.2-0.3-0.4-0.6-0.8-0.9-1 In
t4= 0.1s, 0.2s, 0.4s, 0.8s adjustable
(Earth fault protection)
Note: T-thermal M-magnetic L-long time S-short time relay I-instantaneous G-earth fault SCM-125/
160 In=12.5,16,20,32,40 magnetic protection that is fixed at 500A.

> Accessories
The external accessories of the breaker
Motor-driven operation device
1) Wiring diagram of type CDM electromagnetic operation device(fitting AM3-125,160,250) see the
following drawing (wiring diagram of the external accessories of the breaker in the dotted frame)
SCM-400L Code description: SB SB stand for push button.(provided by users themselves) Number “1” “2”
1
2
“3” stand for number of wiring terminals.
Voltage rating: AC50Hz 230V 400V, DC 220V

SCM-400L/3P SCM-1600L
>E 141