| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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The combination is characterized by large breaking capacity, high safety and stability, long electrical life, support for frequent operation, less maintenance, etc. It has an apparent isolating gap, an earthing switch with making capability, an electric spring actuator and remote control capability.
Ambient temperature: -40ºC~+40ºC(below 35ºC within 24 hours)
Relative humidity:≤95% (daily average) or ≤90% (monthly average)
Altitude:≤1000m
The type of load switch and combined electrical apparatus are mainly composed of frame, isolation switch, vacuum switch tube, ground switch, spring operating mechanism and so on.
The product has the advantages of compact structure, small size, long life, strong closing and breaking ability, easy operation and maintenance.
The vacuum switch is equipped with a spring operating mechanism, using a motor (with manual) spring energy storage, and the closing method has two kinds of electromagnet closing and manual opening and closing.
Interlock (mechanical interlock) between isolation switch, vacuum switch and ground switch to prevent misoperation.
| Name | Unit | Data | ||
| Rated voltage | kV | 12 | ||
| Rated frequency | Hz | 50 | ||
| Maximum rated current of the fuse | A | 125 | ||
| Rated transfer current | A | 3150 | ||
| Rated short-circuit breaking current(expected effective value) | kV | 31.5 | ||
| Rated short-circuic making current (expected peak value) | kV | 80 | ||
| 1min power-frequency withstand voltage | Vacuum gap, interpole, pole-to-ground | kV | 42 | |
| Isolating gap | kV | 48 | ||
| Lightning impulse withstand voltage | Vacuum gap, interpole, pole-to-ground | kV | 75 | |
| Isolating gap | kV | 85 | ||
| Output energy of the fuse striker | J | 2-5 | ||
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