Original Equipment Manufacturer Different types for Selection Over 30 years experience Competitive price IEC standards

Shanghai First Electrical Circuit Breakers

Shanghai First electrical circuit breaker factory,with more than 30 years experience, professionally produces various low-voltage & high-voltage circuit breakers and switches, including Vacuum circuit breaker(VCB), Air circuit breaker(ACB), Moulded Case Circuit Breakers(MCCB), Miniature Circuit Breakers (MCB), Residual Current Operated Circuit Breakers. It has enjoyed high prestige and wide celebrity in the field of low-voltage apparatus because of its long history,abundant technical strength,reliable quality,moderate price and nice service. 

Standard

  IEC

  GB 

Operation Condition

1. Ambient temperature: -5~+40'C

2. Altitude <2000m

3. Pollution grade: 2

4. Installation sort: III

Special condition subjects to the user

Vacuun circuit breaker

    6KV~36KV

    630A~4000A

    20KA~40KA

    Withdrawable and fixed type

Air circuit breaker(ACB)

    380V~690V

    400A~6300A

    3, 4 poles

Moulded Case Circuit Breakers(MCCB)

    380V, 400V

     10A~800A

     3, 4 poles

Miniature Circuit Breakers (MCB)

    1A~100A

    1, 2, 3, 4 poles

Circuit Breaker/Vaccum Circuit Breaker/ MCCB/ VCB/MCB