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  • Td 12kv 1250a 25ka Juc613 Vacuum Interrupter For Vcb - China

    price: 100.00 Dollar US$

    Main technical parameters

    Rated voltage: 12 KV

    Rated current: 1250A

    Rated power frequency withstand voltage: 42 KV

    Rated lightning impulse withstand voltage: 75 KV

    Rated short circuit breaking current: 25KA

    Rated short circuit making current(peak value): 63KA

    Breaking operations under rated short circuit breaking current: 30 times

    Rated short time withstand current: 25KA

    Rated withstand current(peak value): 63KA

    Rated duration of short circuit: 4S

    Mechanical life: 20, 000 times

    Closing force due to bellows and atmosphere: 120±50N

    Force required to hold contacts opening at full stroke: 190±50N

    Circuit resistance at lowest rated contacts force: ≤20μΩ

    Storage life: 20 years

    Limiting abrasion of contacts: 3 mm Mechanical requiements of vacuum circuit breaker

    Clearance between opening contacts: 11±1mm

    Average opening speed(Contacts closing position~75% contacts opening distance): 1.1±0.2 m/s

    Average closing speed(30% contacts opening distance~contacts closing position): 0.6±0.2 m/s

    Rated contacts pressure: 2000±200N

    Contacts bouncing duration at closing operation: ≤2ms

    Contacts re-bouncing clearance at opening operation: ≤2mm

    Synchronism of three phases: ≤1ms


    Company Contact:


    • Phone: 18827250932

    • Address: 4#Rd Xiannv,Zhijiang City,Yicahng City,, Hubei Province,China, Yichang City, Hubei , China

    • Email: Email


    Published date: August 30, 2018

    • 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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