F7-1 Residual Current Device,Circuit Breaker can cut off the fault circuit immediately on the occasion of shock hazard or earth leakage of trunk line.Thus it is suitable to avoid the shock and fire caused by earth leakage.It is mainly suitable for using in varieties of plants,enterprises,buildings,constructure,commerce,guesthouses and families.

Number of Poles

2P,4P

Rated Current(A)

16,20,25,32,40

50,63

Rated Residual Operating Current (In)(mA)

30,100,300,500

Rated Residual Non-operation Current (Ino)(mA)