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.
This product conforms to GBT14048.2,1EC60947-2 standards, with the international advanced level.
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 state | Test current | Fixed time | Expected result | |
| 1 | In≤80 | cold | 1.13In | t≥1h | non-trip | |
| 2 | In≤80 | Immediately after the previous experiment | 1.45In | t<1h | trip | |
| 3 | In≤32 | cold | 2.55In | 1s<t<60s | trip | |
| In>32 | 1s<t<120s | |||||
| 4 | Type C | cold | 5In | t≥0.1s | non-trip | |
| 10ln | t<01.s | trip | ||||
Outline And Mounting Dimensions
