| Compact circuit breakers |
GM2-1600 |
| 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℃ |
1600 |
| 65℃ |
1250 |
| 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 |
■ |
