NB1-63 DC Circuit Breaker

  1. General:

1.1 Certificates: CCC,CE,CB,SAA,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.

  1. 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 savin

3. Operating conditions

3.1 Ambient temperature:-35℃~+70℃.

3.2 The atmosphere condition:≤95%

3.3 Pollution degree:II

3.4 Altitude:≤2000m(if exceed 2000m,

4.Technical data

4.1.1 Rate Current In: 1A,2A,3A,4A,6A,10A,13A,16A,20A,25A,

32A,40A,50A,63A

4.1.2 Tripping curves: C Type,(7~10)In

4.1.3 Rated breaking capacity Icn

 

1

 

4.2.2 Electrical and mechancial  life a. Electrical life:> 1500

  1. Mechancial life:>20,000

4.2.3 Rated impulse withstand voltage Uimp:4KV

4.2.4 (28-32)℃ ambient  temperature over-current protection features.

2

4.3 Temperature derating:

3

4.4 Altitude derating:

4