NB-L7N Mini Circuit Breaker

The products of NB-L7N belong to the advanced level of the nineties in the worid instead of the older generation of NB-L7N. They have protective function as shortage as overload, and are used in lighting distribution system in in industry, commerce and dwelling, and protect fractional electric motors. And they also have many merits of high protective grade(up to IP20), high break capacity, reliable sensitive action, convenient, multiple assembling, long life etc. They are mainly adapted to the circuit of AC 50Hz, 230V in single pole, 400V in double, three, four poles for protecting overload and short circuit. Meanwhile, they are also used in turning on or off electric apparatus and light circuit under the normal condition.