VS1 ZN63A IEC56 3Phase 12KV 11KV 1630A 1250A 1600A 2000A 2500A 3150A 4000A 5000A indoor high voltage VS1 Vacuum Circuit Breaker

Main application

ZN63A-12 (VS1) type indoor high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is used for indoor high voltage switch equipment of power system, as a protection and control unit of network equipment, industrial and mining enterprises power equipment, suitable for the place of frequent operation at rated working current or many times of breaking short-circuit current place. The circuit breaker uses the integrated design of actuator and the circuit breaker body, not only can be used as a fixed install unit, also can be equipped with special chassis, hand car unit.

The use of environmental conditions

1. The environment temperature: upper limit+40℃, lower limit -15℃ (allow storage at -30℃);

2. Altitude: no more than 2000m;

3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%;

4. Saturated steam pressure: daily no larger than 2.2×10-3Mpa, monthly average is not greater than 1.8×10-3Mpa;

5. Earthquake intensity does not exceed 8 degrees;

6. No fire, explosion, pollution, chemical corrosion and severe vibration place.