Indoor AC High Voltage Vacuum Circuit BreakerDetailed product description：

MZ63A-12 (VS1) indoor AC high-voltage vacuum circuit breaker, suitable for three-phase AC 50Hz, rated voltage of 7.2KV~12KV power system. Widely used in various types of loads and frequent operations, it plays a protective and control role for electrical equipment in industrial and mining areas, enterprises, power plants, and substations. It can be used with KYN28A-12 (GZS1) and other mid mounted handcart switch cabinets, as well as XGN - □ fixed switch cabinets. This product complies with the national standards GB1984 "AC High Voltage Circuit Breaker", JB3855 "3.6-40.5KV Indoor AC High Voltage Vacuum Circuit Breaker", and IEC60056 "High Voltage AC Circuit Breaker". Meet the technical requirements for ordering 10-35KV indoor high-voltage vacuum circuit breakers (DL/T403).

Structural characteristics of MZ63A-12 (VS1) indoor AC high-voltage vacuum circuit breaker:
1. Altitude: not exceeding 1000m;
2. Environmental temperature: maximum temperature+40 ℃, minimum temperature -15 ℃ (storage and transportation allowed at -30 ℃)
3. Environmental temperature: Daily average relative humidity: ≤ 95% Monthly average relative humidity: ≤ 90% Daily average saturated vapor pressure: ≤ 2.2 × KPa Monthly average saturated vapor pressure: ≤ 1.8 × KPa

MZ63A-12 (VS1) Indoor AC High Voltage Vacuum Circuit Breaker Model Meaning