VTG-24 Indoor High-Voltage AC Vacuum Circuit Breaker
VTG-24 Indoor High-Voltage AC Vacuum Circuit Breaker

VTG-24 Indoor High-Voltage AC Vacuum Circuit Breaker

1.1 Suitable for three-phase AC 50Hz, 24kV power system for switching various loads of different
environments, and for occasions with frequent operations.
1.2 For the protection and control of electrical equipment used in industrial and mining, enterprises, power plants and substations, especially for metallurgy, chemicals, and coal industries.

VTG-24 Indoor High-Voltage AC Vacuum Circuit Breaker





Working environment conditions:

1.1 Ambient temperature: -15℃~+40℃ (storage and transport at -30℃ are allowed).

1.2 Environment humidity: Daily mean relative humidity ≤95%; monthly mean relative humidity ≤90%; daily mean vapor pressure ≤ 2.2kPa; monthly mean vapor pressure ≤ 1.8kPa;

1.3 Altitude: ≤1,000 meters.

1.4 Seismic intensity does not exceed 8 degrees.

1.5 There is no obvious pollutions such as dust, smoke, corrosive gas, flammable gas, steam gas, or salt spray in the ambient air.

1.6 The magnitude of the electromagnetic interference induced in the secondary system does not exceed 1.6kV. Note: Please contact the manufacturer if out of the normal working conditions.

Rated voltagekV24
Rated power frequency withstand voltage (1 minute)65
Rated lighting impulse withstand voltage (peak)125
Rated frequencyHz50
Rated currentA630630 1250 16001250 1600 2000 2500 3150 
12502000 2500 3150
Rated short-circuit breaking currentkA20、2531.540
Rated short-circuit making current 50、63 80100
Rated short-time withstand current20、2531.540
Rated peak withstand current50、63 80100
Rated short-circuit durations4
Rated operation sequence
O-0.3s-CO-180s-CO O-180s-CO-180s-CO
Rated short-circuit breaking current ON/OFF timesTimes5030
Mechanical life10,000/customized
Rated operating voltageV220/110
Allowable cumulative wear thickness of moving and fixed contactsmm3



Zhejiang Tengen Electric Co., Ltd.

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

+86 21 3119 8727


Copyright ©2024 Zhejiang Tengen Electric Co., Ltd.


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