YFB1-80DC Series DC Miniature Circuit Breaker

YFB1-80DC series mini circuit breaker is suitable for DC circuit system, rated working voltageis DC220V, rated current to 80A line, for overload and short circuit protection of the line, canalso be used as the line of infrequent operation conversion.The circuit breaker is suitable for commercial office buildings, residential buildings and similarbuildings.

  • YFB1-80DC Series DC Miniature Circuit Breaker
  • YFB1-80DC Series DC Miniature Circuit Breaker
  • YFB1-80DC Series DC Miniature Circuit Breaker
  • YFB1-80DC Series DC Miniature Circuit Breaker
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YFB1-80DC Series DC Miniature Circuit Breaker
YFB1-80DC Series DC Miniature Circuit Breaker
YFB1-80DC Series DC Miniature Circuit Breaker
YFB1-80DC Series DC Miniature Circuit Breaker
YFB1-80DC Series DC Miniature Circuit Breaker
YFB1-80DC Series DC Miniature Circuit Breaker

Specification Parameter

  • Circuit breaker rated  current:1A,2A,3A,4A6A,10A,16A,20A,25A,32A,40A,50A,63A,80A;

  • Technical    parameter:

1.The   supply   form   of  the   circuit   breaker   instantaneous   release   device   is   type   C,and

other  types  of  users  can  place  special  orders;

2.Circuit    breaker    rated    short    circuit    breaking    capacity:YFB1-80DC,Ics=Icu6kA3)Circuit

breaker   overcurrent   protection   characteristics.

  • Mechanical    electrical    lifeElectrical    life:4000    times;

  • Mechanical    life:20000    times.


No.Rated current (A)Starting stateTest currentFixed timeExpected result
In≤80cold1.13Int≥1hnon-trip
In≤80Immediately after the previous experiment1.45Int<1htrip
In≤32cold2.55In1s<t<60strip
In>321s<t<120s
Type  Ccold5Int≥0.1snon-trip
10lnt<01.strip




Product Advantage

This product conforms to GBT14048.2,1EC60947-2 standards, with the international advanced level.

Product Advantage

1.High rated breaking capacity, up to 7.5kA;

2.The circuit breaker operating mechanism is a free tripping mechanism with energy storage, and the contact is quickly closed, which overcomes the adverse effects caused by the speed of the manual operation handle and greatly improves the service life of the product, in normal operation, the contact can only stay in the closed or disconnected position:

3. Combined terminal with finger contact protection, high installation performance.

Outline And Mounting Dimensions

1742371853432

Product Video

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