Aierway ZN63-24 Vacuum Circuit Breaker 24KV 1250A

ZN63-24 Vacuum Circuit Breaker（VS1） is mainly made of solid-sealed poles, and the operating mechanism is optimized to greatly improve the insulation reliability, mechanical reliability and breaking performance of the circuit breaker, and truly achieve the main circuit maintenance-free and Longer mechanical and electrical life; forming system
Listed products to meet different usage requirements.
The installation form of ZN63-24（VS1） Vacuum Circuit Breaker in the switch cabinet can be either fixed type or handcart type.

Z:Vacuum circuit breaker

N:Indoor

63:Design Number

24:Rated voltage:24kV

▢: Rated current:630A、1250A、1600A、2000A、2500A、3150A

▢: Rated short-circuit breaking current:20kA、25kA、31.5kA

1. Ambient air temperature: upper limit +40 degrees, lower limit -40 degrees;

2. Altitude: ≤2000m (if the altitude increases, the rated insulation level will be increased accordingly);

3. Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);

4. Earthquake intensity: no more than 8 degrees;

5. Contamination level: Ⅳ level;

6. Maximum daily temperature difference: no more than 25 degrees;

7. Relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%;

8. Places without inflammability, explosion hazard, chemical corrosion and severe vibration.