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VS1 12KV vacuum circuit breaker VCB

For Sale in Zhijiang City,

Listing ID: 9181 | Broker Listing ID:

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Business Description

VS1 12KV vacuum circuit breaker VCB
HVD1-12(VS1-12) type indoor AC HV vacuum circuit breaker VCB (hereinafter referred to as circuit breaker) are suitable for 12kV air-insulated indoor switchgears, used as protection and control unit of power equipment of industrial& mining enterprise. Due to the super excellence, it is especially for location where requires the frequent operation of rated working current or multi breaking short circuit current.
The circuit breaker adopts the integrated design of operating mechanism and circuit breaker body, servers as not only fixed installation, but also the handcart unit through equipping with a special propelling mechanism.

2. Service conditions
3.1 Environment temperature:-15degree~+40degree;
3.2 Environment humidity: Daily average relative humidity:<95%, monthly average relative humidity:<90%; Daily average saturated vapor pressure:<2.2×10-3Mpa,monthly average saturated vapor pressure:<1.8×10-3Mpa;
3.3 Altitude: Not exceed 1000m;
3.4 Earthquake intensity: Not exceed°ree;
3.5 Service location: No water, flammable or explosive matter, chemical corrosive gas or drastic vibration.

1.Main specifications and technical parameters
Rated voltage: 12 kv
Rated lightning impulse withstand voltage(1min): 75 kv
Rated short-time power frequency withstand voltage (1min): 42 kv
Rated short-circuit breaking current: 20KA / 25KA / 31.5KA / 40KA
Rated current: 630A,1000A,1250A / 630A,1000A,1250A,1600A / 1250A,1600A,2000A,2500A / 1600A,2000A,2500A,3150A
Rated peak withstand current: 50KA / 63KA / 80KA / 100KA
Rated shorted-time withstand current: 20KA / 25KA / 31.5KA / 40KA
Rated shorted-time making current(peak): 50KA / 63KA / 80KA / 100KA
Power frequency withstand voltage of secondary circuit(1min): 2000 v
Opening time(rated voltage): 20~50 ms
Closing time(rated voltage): 30~70 ms
Rated short-circuit current breaking times: 50(40kA 30) times
Mechanical life: 30,000 times

Listing ID: 9181

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