1 - 10 piece
11 - 100 piece
group nameVCB Vacuum Circuit Breaker
Min Order1 piece
brand nameJUCRO
modelHVD85(ZN85) -40.5
payment methodL/C, Western Union, MoneyGram, T/T
update timeWed, 18 May 2022 14:24:39 GMT
Min Order1 piece
1.General
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
Item | Unit | Parameter |
Rated voltage | kV | 40.5 |
Power frequency withstand voltage | kV | 95 |
Lighting impulse withstand voltage | kV | 185 |
Rated frequency | Hz | 50 |
Rated current | A | 1000、1250、1600、2000 |
Rated short-time withstand current | kA | 25、31.5 |
Rated peak value withstand current | kA | 63、80 |
Rated short-circuit duration | s | 4 |
Rated short-circuit breaking current | kA | 25、31.5 |
Rated short-circuit making current | kA | 63、80 |
Rated operation sequence | | O-0.3s-CO-180s-CO |
Breaking time | ms | <80 |
Rated short-circuit current breaking times | times | 20 |
Single capacitor bank breaking current | A | 630 |
Back-to-Back capacitor bank breaking current | A | 400 |
Rated control voltage | V | AC110、220;DC110、220 |
Mechanical life | times | 10000 |
Overall and installation dimensions
1. Opening spring
2.Main shaft
3.Regulating lever of intermediate phase
4.Driving rod
5. Driving board 2
6.Contac spring
7.Driving board 3
8.Driving board 4
9.Driving board 1
10. Regulating lever of side phase
11.Rod end bearing
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