Yueqing Fly Electric Co., Ltd.
Main products:Mini Circuit Breaker,Voltage Stabilizer,Distribution Box,Contactor,Case Mould Circuit Breaker
Contact Us
  • Contact Person : Ms. Huang Annie
  • Company Name : Yueqing Fly Electric Co., Ltd.
  • Tel : 86-0577-62799150
  • Address : Zhejiang,Yueqing,Xiamen Village,Liushi Town, Yueqing City
  • Country/Region : China
  • Zip : 325604

MCB Mini circuit breaker

MCB Mini circuit breaker
Product Detailed
1. MCB miniature circuit breaker 2. Outer case:unti-fire Nylon PA66 3. conductive part:copper 4. contact point:silver

MCB Mini circuit Breaker


It is used in lighting distribution system or motor distribution system for protecting overload and short circuit in the system.The product is neoteric in structure,light in weight,reliable and excellent in performance.Its frame and parts adopt plastics of high fire resistant and shockproof.The product,withlong life,is mainly used in AC 50-60Hz single pole 240V or two,three,four poles up to 415V circuit for overload and short circuit protection,as well as for unfrequently switching on&off electric equipment and lighting circuit in normal case. The products comply with IEC 60898&GB10963

2.Basic specification and main parameters



Number of poles


Rated current(In)


Rated voltage(Un)


Rated frequency


Tripping curve


Release action characteristics

Time delay

1.13In>1h Non-trip

1.45In<1h trip

2.55In 1s~60S trip

Instantaneous(Curve C)

5In >0.1s Non-trip

10In<0.1s trip

Magnetic releases operate

B curve:between 3 and 5In

C curve :between 5 and 10In

D curve: between 10 and 15In

Ratedbreaking capacit(Lcn)




Circumstance temperature


Electrical life


Mechanical life

20000 times

Tropical ration

Treatmen 2(RH95%,at 55°C)

Protection degree


MCB Mini circuit breaker

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