YFB1-125P Series Miniature Circuit Breaker

YFB1-125 small plastic shell circuit breaker is a kind of high-break small plastic shell circuitbreaker with double protection of overload and short circuit, suitable for rated current to 125Arated voltage 50Hz, AC230V/400V circuit, for circuit overload/short circuit protection, it is notsuitable for motor protection.

This product conforms to the standard :GB/T14048.2-2020

  • YFB1-125P Series Miniature Circuit Breaker
  • YFB1-125P Series Miniature Circuit Breaker
  • YFB1-125P Series Miniature Circuit Breaker
  • YFB1-125P Series Miniature Circuit Breaker
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YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker
YFB1-125P Series Miniature Circuit Breaker

Specification Parameter

Rated current(A)Type(pole)Voltage(V)Breaking capacity(A)
50,63,80,100,1251P+N230/400
2P,3P,4P400 15 
Delay protection trip currentTest currenttimeExpected result
1.051n(cold)t>2hnon-trip
1.31n(hot)t≤2htrip
2.01n(cold)t≤7mintrip
Instantaneous short
circuit protection
Type C10ln±20%-20%non-trip+20%trip
Type D12In±20%


Product Advantage

The operating voltage of the shunt circuit breaker with delay is any value in the range of 70%-110% of the rated voltage;

Product Advantage
A control voltage. i.e. electricity (which can be supplied by a remote control line or IC card meter) is applied to therelease pole and the breaker handle is pushed to the closed position to close.When the need for remote control (or lC card meter arrears) can be disconnected through the control system. The circuitbreaker can be reliably broken at 0.5ssts2s, and the circuit breaker also has short circuit and overload functions.When wiring, be sure to pay attention to the power line up and down, live wire, neutral wire polarity is correct.

Outline And Mounting Dimensions

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Product Video

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