Nova DAB7-63 10ka 1P 2P 3P 4P Miniature Circuit Breaker MCB

Dab7-63 miniature dc circuit breakers are used for overload and short circuit protection of lines with dc voltage up to 250V and rated current up to 63A, and also for infrequent switching of lines.
DC MCB circuit breaker is suitable for communication, PHOTOVOLTAIC system and other DC system applications.

>>Products meet:
IEC 60948.2, IEC 60947-2
In line with the EU RoHS environmental requirements, DC circuit breakers have passed CCC and other certification

>>Application
Dab7-63/1p DC circuit breaker is mainly used for overload and short circuit protection of DC electrical circuits and equipment with rated DC voltage up to and including DC250V and current up to 63A.
DC circuit breaker can also be used for solar power generation system, working voltage up to DC250V, can rapidly points off the fault current of DC power distribution system, is an important device to protect the solar power system pv module from reverse current in DC side and AC feedback current of inverter failure caused by damage, ensure the reliable operation of solar photovoltaic power generation systems.

>>Model and Meaning

Dab7-63/1p miniature DC circuit breaker specification parameters
DC circuit breaker DAB7-63/1p 1A DC250V
DC circuit breaker DAB7-63/1p 2A DC250V
DC circuit breaker DAB7-63/1p 3A DC250V
DC circuit breaker DAB7-63/1p 4A DC250V
DC circuit breaker DAB7-63/1p 6A DC250V
DC circuit breaker DAB7-63/1p 10A DC250V
DC circuit breaker DAB7-63/1P 16A DC250V
DC circuit breaker DAB7-63/1p 20A DC250V
DC circuit breaker DAB7-63/1p 25A DC250V
DC circuit breaker DAB7-63/1P 32A DC250V
DC circuit breaker DAB7-63/1p 40A DC250V
DC circuit breaker DAB7-63/1p 50A DC250V
DC circuit breaker DAB7-63/1p 63A DC250V


>>Dab7-63/1p DC circuit breaker working environment and installation conditions

Ambient temperature: -35ºC ~ +70ºC
Air relative humidity ≤95%
Pollution level: Level 2


>> Main parameters and technical performance of miniature DC circuit breaker

1.Rated current In:1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
2.The number of points of the case by pole: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3.Rated short circuit capacity: 6000A
4.Mechanical and electrical life
The mechanical life shall not be less than 20,000 times
No less than 8000 times electrical life
 

>>DC circuit breaker connection mode



Wiring diagram Description:
1.Positive power, negative power.
2.L+ load positive, L- load negative.
3.It is forbidden to connect the positive and negative poles of the power.
4.Rated voltage: 1P: DC250V;
2 p: DC500V;
3 p: DC750V;
4 p: DC1000V

>> Dab7-63 small DC circuit breaker product features
1.Excellent breaking ability;
2.Dual wiring function of conductor and bus bar;
3.Fast closure, long life;
4.Convenient installation and disassembly;
5.Contact on/off indication, higher safety;
6.Green, environmental protection and energy saving;