HVD85(ZN85) 40.5KV indoor vacuum circuit breaker VCB
HVD85(ZN85) 40.5KV indoor vacuum circuit breaker VCB is suitable for three-phase AC power system of 50Hz and 36kV, used to make and break the load current, overload current and fault current in industrial and mining enterprises, power plants and transformer substations, meanwhile, it is suitable for the occasion where the frequent operation is required.
2. Service conditions
2.1The ambient air temperature should be -15℃~40℃, the daily average temperature should not exceed 35℃.
2.2 Daily mean relative humidity should not exceed 95%, and the daily mean vapor pressure should not exceed 2.2kPa; the monthly mean relative humidity should not be higher than 90%, and the monthly mean vapor pressure should not exceed 1.8kPa.
2.3 Altitude: Not exceed 1,000m.
2.4 The ambient air should be free from the dust, smoke, corrosive and flammable gas, steam, salt fog, et…
Main specifications and technical parameters
Rated voltage: 40.5KV
Power frequency withstand voltage: 95 kv
Lighting impulse withstand voltage: 185 kv
Rated current: 1000A, 1250A, 1600A, 2000A
Rated short-time withstand current: 25KA, 31.5KA
Rated peak value withstand current: 63KA, 80KA
Rated short-circuit duration: 4 s
Rated short-circuit breaking current: 25KA, 31.5KA
Rated short-circuit making current: 63KA, 80KA
Rated operation sequence: O-0.3s-CO-180s-CO
Breaking time: <80 ms
Rated short-circuit current breaking times: 20 times
Single capacitor bank breaking current: 630A
Back-to-Back capacitor bank breaking current: 400A
Rated control voltage v: AC110、220；DC110、220
Mechanical life: 10,000 times
Power frequency withstand voltage
Lighting impulse withstand voltage
Rated short-time withstand current
Rated peak value withstand current
Rated short-circuit duration
Rated short-circuit breaking current
Rated short-circuit making current
Rated operation sequence
Rated short-circuit current breaking times
Single capacitor bank breaking current
Back-to-Back capacitor bank breaking current
Rated control voltage
Overall and installation dimensions
1. Opening spring
3.Regulating lever of intermediate phase
5. Driving board 2
7.Driving board 3
8.Driving board 4
9.Driving board 1
10. Regulating lever of side phase
11.Rod end bearing
Strong package, Safety first.
As long as possible to keep the products safe until it arriving customer's warehouse.
Clearly marking label outside of package, customers will be easy to identify their goods.
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