NB-L7 Mini Circuit Breaker

Short Description:

The products of NB-L7 belong to the advanced level of the nineties in the world instead of the older generation of NB-L7. They have protective function as shortage as overioad, and are used in lighting distribution system 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 AC50Hz, 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 the electric apparatus and lighting circuit under the normal condition.

Product Detail

Product Tags


Poles(P) 1,2,3,4
Rated voltage(V) 230/400
Rated current(V) 1,2,3,4,6,10,16,20,25,32,40,50,63
Rated voltage(Un) AC240/415V
Protective grade IP20
Breaking capacity IEC60898
Rated breaking capacity(lcn) 10000A.6000A
Endurance 2500
Circumstance temperature -5°C+40X:
Electrical life 8000 times
Mechanical life 4000 times

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