Description
Main technical parameter
- Rated operation voltage: AC50Hz, 380V, 660V, 1140V
- Rated operation current: 250A, 400A, 600A(600V time).
- The conventional thermal current of main line:250A, 400A, 600A
- Rated voltage of control electric circuit:AC50Hz, 36V, 127V, 220V, 380V
- Auxiliary contacts: 3NO, 3NC.
- Rated operation frequency:
1.AC3 300T/h.
2.AC4 120T/h.
3.Short time operation (20s).
The making-breaking capacity of main loop: making 10le. breaking 8le.
- The limited breaking capacity: 4500A/250, 400; 6000A/600.
- Electrical life: AC360 (104T).
- Mechanical life: 300 (104T).
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