Chint NB1-63DC DC Mini Circuit Breakers
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
