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  • Hvd1 12 Vacuum Circuit Breaker - China

    price: 1176.00 Dollar US$

    1.General

    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~+40 degree;

    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&degree;

    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 NO.

    Item Unit Parameter

    1 Rated voltage KV 12

    2 Rate frequency Hz 50

    3 Rated lightning impulse withstand voltage(1min) KV 75

    4 Rated short-time power frequency withstand voltage (1min) KV 42

    5 Rated short-circuit breaking current KA 20 25 31.5 40

    6 Rated current A 630 1000

    1250 630 1000

    1250 1600 1250 1600

    2000 2500 1600 2000

    2500 3150

    7 Rated peak withstand current KA 50 63 80 100

    8 Rated shorted-time withstand current KA 20 25 31.5 40

    9 Rated shorted-time making current(peak) KA 50 63 80 100

    10 Power frequency withstand voltage of secondary circuit(1min) V 2000

    13 Opening time(rated voltage) ms 20~50

    14 Closing time(rated voltage) ms 30~70

    15 Rated short-circuit current breaking times times 50(40kA 30)

    16 Mechanical life times 30000


    Company Contact:


    • Phone: 18162974229

    • Address: 4th Road Xiannv, Zhijiang City, Hubei Province, China, YIchang City, Hubei , China

    • Email: Email


    Published date: March 12, 2019

    • Business Description: Hubei Jucro Electric CO., LTD. is a private enterprise that produces and exports high voltage electrical equipment.

      The main products are: vacuum contactors, vacuum circuit breakers, vacuum interrupters and related accessories.

      The product rated voltage range covers 660KV/1.14KV/3.6KV/7.2KV/ 24KV/40.5KV.

      The rated current of the product ranges from 125A to 4000A.

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