ZN63A-12(VS1) Indoor High-Voltage AC Vacuum Circuit Breaker
ZN63A-12(VS1) Indoor High-Voltage AC Vacuum Circuit Breaker

ZN63A-12(VS1) Indoor High-Voltage AC Vacuum Circuit Breaker

1.1 Suitable for switching various loads with different properties and frequent operations in three-phase AC50Hz, 10kV power system.
1.2 For protection and control of electrical equipment used in industrial and mining, enterprises, power plant,and substation.
1.3 With central handcart type switch cabinet and XGN fixed type switch cabinet provided for KYN28A-12(GZS1).


No.Name Unit Value
1Rated   voltagekV12
2Rated   power frequency withstand voltage(1 minute) 42
3Rated   lightning impulse withstand voltage(peak) 75
4Rated   frequency Hz 50
5Rated   current630   1250 630   1250 1600 2000 2500 31501250   1600 2000 2500 3150 4000
6Rated   circuit-breaker breaking currentkA2025 31.540
7Rated   short-circuit making current (peak) 5063 80100
8Rated   short-time withstand current 2025 31.540
9Rated   peak withstand current 5063 80100
10Rated   operating voltage AC/DC220AC/DC110

Working environment conditions:

1.1 The ambient air temperature does not exceed 40°C, the average measured within 24h does not exceed 35°C, and the minimum ambient air temperature is -15°C;

1.2 Altitude: Not higher than 1000m;

1.3 The surrounding air is not polluted obviously by dust, smoke, corrosive or flammable gas, steam, and salt mist;

1.4 Humidity conditions: daily mean value is not greater than 95%; monthly mean value is not greater than 90%; the average of water vapor pressure is not greater than 2.2kPa; the average of the monthly water steam pressure is not greater than 1.8KPa;

1.5 Vibration or ground movement from the outside of switchgear or control equipment can be negligible;

1.6 The amplitude of the conduced electromagnetic interference in the secondary system cannot exceed 1.6kV;

1.7 Special use conditions

If the altitude at the installation site exceeds 1000m, or the ambient air temperature exceeds the limit specified in the normal working conditions or the installation site is highly humid to easily cause condensation, please contact our company for customization.



Zhejiang Tengen Electric Co., Ltd.

Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699

+86 21 3119 8727


Copyright ©2023 Zhejiang Tengen Electric Co., Ltd.


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