


Introducing the Nova DAB7-63 10kA Miniature Circuit Breaker (MCB) - available in 1P, 2P, 3P, and 4P configurations.
The Dab7-63 DC miniature circuit breakers are engineered for robust protection against overload and short circuits. Designed for lines with DC voltage up to 250V and current ratings up to 63A, they are perfect for infrequent switching applications, ensuring versatility and reliability.
Our DC MCB circuit breakers are meticulously designed for use in communication systems, photovoltaic (PV) installations, and various DC system applications, offering unmatched safety and reliability.
>>Products meet:
Adheres to IEC 60948.2 and IEC 60947-2 standards, guaranteeing unparalleled safety and performance.
Our DC circuit breakers comply with EU RoHS environmental mandates and have successfully attained CCC and other pivotal certifications.
>>Application
The Dab7-63/1P DC circuit breaker is crafted for overload and short circuit protection in DC electrical circuits and equipment, supporting rated DC voltage up to 250V and current up to 63A.
Indispensable for solar power generation systems, the Dab7-63/1P DC circuit breaker operates at voltages up to 250V DC. It swiftly interrupts fault currents in DC power distribution systems, safeguarding PV modules from reverse current and protecting against AC feedback currents from inverter failures, 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
Operating temperature range: -35ºC to +70ºC
Maximum relative air humidity: ≤95%
Pollution degree: 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: Remarkable 6000A, ensuring robust performance.
4. Exceptional Mechanical and Electrical Life: Stands as a testament to durability and reliability.
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: Designed for optimized connectivity and ease of use.
Wiring Diagram Description: Clear and precise for hassle-free installation.
1. Positive power, negative power: Ensuring correct polarity.
2. L+ load positive, L- load negative: Facilitating seamless load connection.
3. Strictly prohibited: connecting the positive and negative poles of the power: Safety first.
4. Rated Voltage: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V
>> Dab7-63 Small DC Circuit Breaker Product Features: A comprehensive suite of advantages.
1. Exceptional breaking capacity, guaranteeing superior protection against overloads.
2. Dual wiring capability for both conductor and bus bar, enhancing versatility and ease of integration.
3. Rapid closure mechanism, combined with an extended operational life for dependable use.
4. Easy installation and removal, ensuring simplified maintenance and minimal downtime.
5. Contact on/off indication for improved safety monitoring, adding an extra layer of security.
6. Eco-friendly design, emphasizing sustainability and energy efficiency, contributing to a greener planet.

