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
Specification Parameter
| Rated current(A) | Type(pole) | Voltage(V) | Breaking capacity(A) |
| 50,63,80,100,125 | 1P+N | 230/400 | 6 |
| 2P,3P,4P | 400 | 15 | |
| Delay protection trip current | Test current | time | Expected result |
| 1.051n(cold) | t>2h | non-trip | |
| 1.31n(hot) | t≤2h | trip | |
| 2.01n(cold) | t≤7min | trip | |
| Instantaneous short circuit protection | Type C | 10ln±20% | -20%non-trip+20%trip |
| Type D | 12In±20% |
Outline And Mounting Dimensions
