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MT MY MU Mini Circuit Breaker,circuit breaker,MCB
Description
MT, MC, MY mini circuit breaker is mainly suitable for overload and short circuit protection It is especially used for illumination and distribution in industry and commerce. It is of pleasing outlook & high breaking capacity etc. Its frame and parts adopt plastics of light weight. Reliable performance, high inflammable resistance and shock resistance and shock resistance for long service life, It is mainly used for overload and short circuit protection within the circuit of AC50/60Hz, rated voltage of single pole up to 240V, two three of four poles up to 415V. It can also be used for an unfrequent switch hover of the circuit and illumination under normal conditions.
| Standard | IEC60898 | |
| Number of poles | 1P.2P.3P.4P | |
| Rated current(In) | 1,2,3,4,6,10,16,20,25,32,40,50,63 | |
| Rated voltage(Un) | AC240/415V | |
| Rated frequency | 50/60Hz | |
| Tripping curve | B,C | |
| 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<0.1 trip | ||
| Magnetic releases operate | B curve:between 3 and 5In | |
| C curve:between 5 and 10In | ||
| Rated breaking capacity(Lcn) | 6000A | |
| Endurance | ≥2000 | |
| Circumstance temperature | -5ºC+40ºC | |
| Electrical life | ≥8000times | |
| Mechanical life | 20000 times | |
| Tropical ration | Treatmen 2(RH95%,at 55ºC) | |
| Protection degree | IP20 |
MT Mini Circuit Breaker