Chint original NB1-63DC DC MCB 1P 2P 4P 1A 2A 3A 4A 6A 10A 13A 16A 25A 32A 40A 50A 63A DC Miniature Circuit Breaker

General

1.1 Certificates: CCC,CE,CB,TUV;
1.2 Standard: IEC/EN 60947-2 ,RoHS;
1.3 Rated voltage up to 1000V, Rated current up to 63A;
1.4 Protection of circuits against overload currents;
1.5 Protection of circuits against short-circuit currents;
1.6 NB1-63 DC circuit-breakers are used incommunication systems and PV DC systems.

Features

2.1 Excellent breaking capacity
2.2 Double connection function of lead wire and bus bar
2.3 Stored energy operation, fast closing, long service life
2.4 Convenient installation, disassembly
2.5 Contact on-off indication, higher security
2.6 Green environmental protection and energy saving

Type Designation

Operating Conditions

4.1 Ambient temperature:-35oC~+70°C(Refer to 5.3)
4.2 The atmosphere condition:<95%
4.3 Pollution degree:n
4.4 Altitude:<2000m(if exceed 2000m,Refer to 5.4)

Technique Parameters

5.1 Classification
5.1.1 Rate Current In: 1A,2A(3A,4A(6A,10A,13A,16A,20A(25A(32A,40A,50A(63A
5.1.2 Number of poles: 1R2R4P
5.1.3 Tripping curves: C Type,(7~10)In

5.2 Parameters
5.2.1 Rated breaking capacity Icu