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Product Details
Model GM2-1250
Number of poles 3 4
Control Manual Toggle
Connections Fixed Front connection
Rear connection
Electrical characteristics as per IEC60947-2 and GB14048.2
Rated current(A) In 50℃ 1250
65℃ 1000
Rated insulation voltage(V) Ui 750
Rated impulse withstand voltage(KV) Uimp 8
Rated operational voltage(V) Ue AC 50/60Hz 690
Type of circuit breaker N
Ultimate breaking capacity (KA rms) Icu AC 50/60Hz 400V 50
Service breaking capacity Ics %Icu 75%
Short-time withstand current (KA rms) V AC 50/60Hz Icw 0.5s 25
1s 17
Suitability for isolation
Utilization category B
Max. demand current (C-O cycles) Mechanical 50000
Electrical 440V In/2 5000
In 4000
690V In/2 3000
In 2000
Pollution degree III
Protection
Interchangeable control units Electronic type(STK5.0)
Overload protection Long time Ir(In×...)
Short-circuit protection Short time Isd (Ir×...)
Instantaneous Ii(In×...)
Control auxiliaries
Auxiliary switch
MX shunt and MN undervoltage winding

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