ZN85-40.5 Indoor Vacuum Circuit Breaker
ZN85-40.5
ZN85-40.5(3AV3) indoor vacuum circuit breaker is a product designed and produced by our company and Xi' An High-voltage Electric Apparatus Institute. The VCB is rated voltage 40.5kV, three phase and AC 50Hz/60Hz.
Quantity
ZN85-40.5 Indoor Vacuum Circuit Breaker
ZN85-40.5(3AV3) indoor vacuum circuit breaker is a product designed and produced by our company and Xi' An High-voltage Electric Apparatus Institute.
The VCB is rated voltage 40.5kV, three phase and AC 50Hz/60Hz. It applies to mining firms, power plant and substation, acting as protection and control electric
apparatus. It is also applicable in occasions with frequent operation.
Technical Parameter
| Item | Unit | Data |
| Rated voltage | kV | 40.5 |
Power frequency withstand voltage (1min) | kV | 95 |
Lightning impulse withstand voltage (peak) | kV | 185 |
Rated current | A | 630/1250/1600/2000 |
Rated short circuit breaking current | kA | 20/25/31.5 |
| Rated short circuit making current (peak) | kA | 50/63/80 |
Rated short-duration withstand current (4s) | kA | 20/25/31.5 |
Rated withstand current (peak) | kA | 50/63/80 |
Rated operating sequence | O-0.3s-CO-180s-CO | |
| Breaking number for rated short-circuit current | Times | 20 |
Mechanical life | Times | 10000 |
| Rated frequency | Hz | 50/60 |
Rated breaking current of capacitor bank | A | 400 |
Technical parameter of storage motor of operating mechanism
No. | Rated voltage | Rated output power | Normal operate voltage | |
HDZ-22301B | DC110V AC110V | DC220V AC220V | 230W | 85%-110% rated voltage |
Outline and installation dimensions
Why Us?
1. Schneider trusted material supplier, you no worry for quality control;
2. STL standard testing lab inside own property factory industrial zone;
2. STL standard testing lab inside own property factory industrial zone;
3. 23 years experience of production Medium voltage circuit breaker material, 17 years for overseas market; you no worry for communication and save time.
