Chint DC Miniature Circuit Breakers

Chint DC Miniature Circuit Breakers1. 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 in communication systems and PV DC systems. 2. Features 2. 1 Excellent breaking capacity 2. 2 Double connection function of lead wire and bus bar 2. 3 Stored

1. 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 in

communication systems and PV DC systems.

2. 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

4. Operating Conditions

4.1 Ambient temperature:-35℃ ~+70℃ (Refer to 5.3)

 4.2 The atmosphere condition:≤95%

 4.3 Pollution degree: Ⅱ 4.4 Altitude:≤2000m(if exceed 2000m,Refer to 5.4)