| Compact circuit breakers |
GM2-630 |
| Number of poles |
3 |
4 |
| Control |
Manual |
Toggle |
■ |
| Direct or extended rotary handle |
■ |
| Electric |
■ |
| Connections |
Fixed |
Front connection |
■ |
| Rear connection |
■ |
| Withdrawable (on chassis) |
Front connection |
■ |
| Rear connection |
■ |
| Electrical characteristics as per IEC60947-2 and GB14048.2 |
| Rated current(A) |
In |
40℃ |
630 |
| Rated insulation voltage(V) |
Ui |
750 |
| Rated impulse withstand voltage(KV) |
Uimp |
8 |
| Rated operational voltage(V) |
Ue |
AC 50/60Hz |
400 |
| Type of circuit breaker |
N |
H |
| Ultimate breaking capacity (KA rms) |
Icu |
AC 50/60Hz |
400V |
40 |
80 |
| Service breaking capacity |
Ics |
%Icu |
100% |
| Suitability for isolation |
■ |
| Utilization category |
A |
| Max. demand current (C-O cycles) |
Mechanical |
15000 |
| Electrical |
440V |
In/2 |
8000 |
| In |
4000 |
| Trial longevity |
Overload/no overload/total sum |
850/4000/4850 |
| Protection |
| Trip units |
Electronic type(STK53UE) |
| Overload protection |
Long time |
Ir(In×...) |
■ |
| Short-circuit protection |
Short time |
Isd (Ir×...) |
■ |
| |
Instantaneous |
Ii(In×...) |
■ |
| Residual earth leakage protection |
Vigi module |
■ |
| Indication and control auxiliaries |
| Auxiliary switch |
■ |
| MX shunt and MN undervoltage winding |
■ |
| Installation |
| Accessories |
Terminal extension and spreaders |
■ |
| Terminal shields and interphase barriers |
■ |
