Nova DAB7-63 10kA 1P 2P 3P 4P Miniature Circuit Breaker (MCB)
The Dab7-63 miniature DC circuit breakers offer robust overload and short circuit protection for lines with DC voltage up to 250V and rated current up to 63A. Additionally, they are ideal for infrequent switching of lines, making them versatile and reliable.
Our DC MCB circuit breakers are tailored for communication systems, photovoltaic (PV) installations, and other DC system applications, ensuring safety and reliability.
>>Products meet:
IEC 60948.2, IEC 60947-2 standards, ensuring top-tier safety and performance.
Compliant with EU RoHS environmental requirements, our DC circuit breakers have successfully passed CCC and other key certifications.
>>Application
The Dab7-63/1P DC circuit breaker is specifically designed for overload and short circuit protection in DC electrical circuits and equipment, accommodating rated DC voltage up to 250V and current up to 63A.
Essential for solar power generation systems, this DC circuit breaker operates at voltages up to 250V DC. It quickly interrupts fault currents in DC power distribution systems, safeguarding PV modules from reverse current and protecting against AC feedback current from inverter failures, thus ensuring the reliable operation of solar photovoltaic 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 range: -35ºC to +70ºC
Maximum 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. Number of Poles and Corresponding Voltage: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated Short Circuit Capacity: 6000A
4. Exceptional Mechanical and Electrical Life
With an impressive mechanical life span of no less than 20,000 cycles, this product guarantees unparalleled longevity and reliability.
Offering an electrical life of at least 8,000 cycles, this circuit breaker assures consistent performance and exceptional durability.
>> DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Positive power, negative power.
2. L+ load positive, L- load negative.
3. Strictly prohibited: connecting the positive and negative poles of the power.
4. Rated Voltage: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V
>> Dab7-63 Small DC Circuit Breaker Product Features
1. Exceptional breaking capacity, guaranteeing superior protection.
2. Dual wiring capability for both conductor and bus bar, enhancing versatility.
3. Rapid closure mechanism, combined with an extended operational life.
4. Easy installation and removal, ensuring simplified maintenance.
5. Contact on/off indication for improved safety monitoring.
6. Eco-friendly design, emphasizing sustainability and energy efficiency.
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