NFIM series RCCB(residual current circuit breaker, circuit breaker) is in conformity with the standard of IEC61008.
It can cut off the fault circut immediately on the occasion of shock hazard or earth leakage of trunk line. Thus it is suitable to avoid the shock hazard and fire caused by earth leakage.
It is mainly suitable for using in varieties of plants, enterprises, buildings, constructions, commerce, guesthouses and families. It can be uesd in circuits of 1 phase 230V and 3phases 400V 50/60Hz.

Normal Operation and Mounting Requirement:
1, circumstance temperature -50~+40, average temperature not exceeding 35.
2, Altitude above sea level less than 2000m.
3, Humidity not exceeding 50% at 40 and not exceeding 90% at 25.
4, Installation class II or III.
5, Pollution Class II.
6, Installation method DIN Rail mounting type.
7, The external magnetism shall not be more than 5 times of terrextrial one.
8, Product shall be installed vertically at the place where there shall be no sever impact and vibration. The product is switched on when the handle is at upper position.