Introducing the Nova DAB7-63 10kA Miniature Circuit Breaker (MCB) in 1P, 2P, 3P, and 4P configurations.
The Dab7-63 miniature DC circuit breakers provide robust protection against overloads and short circuits for lines with DC voltage up to 250V and rated currents up to 63A. Ideal for infrequent line switching, these breakers are versatile and reliable.
Our DC MCB circuit breakers are expertly designed for communication systems, photovoltaic (PV) installations, and other DC system applications, ensuring optimal safety and reliability.
>>Products meet:
Compliant with IEC 60948.2 and IEC 60947-2 standards, guaranteeing top-notch safety and performance.
Our DC circuit breakers comply with EU RoHS environmental standards and have passed CCC and other key certifications.
>>Application
The Dab7-63/1P DC circuit breaker is engineered for overload and short circuit protection in DC electrical circuits and equipment, supporting rated DC voltages up to 250V and currents up to 63A.
Indispensable for solar power systems, this DC circuit breaker operates at voltages up to 250V DC. It swiftly interrupts fault currents in DC power distribution systems, protecting PV modules from reverse current and 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 relative air 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: An impressive 6000A, ensuring robust protection in high-stress scenarios.
4. Exceptional Mechanical and Electrical Life
With a remarkable mechanical lifespan that exceeds 20,000 cycles, this product guarantees exceptional durability and steadfast reliability.
Boasting an electrical lifespan of no less than 8,000 cycles, this circuit breaker is engineered for consistent and long-lasting performance.
>> DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Positive power connection and negative power connection for secure and reliable operation.
2. L+ load positive, L- load negative: Simplifies the wiring process and ensures accurate connections.
3. It is strictly prohibited to connect the positive and negative poles of the power: Adherence to this prevents dangerous short circuits.
4. Rated Voltage: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V
>> Dab7-63 Small DC Circuit Breaker Product Features
1. Exceptional breaking capacity, ensuring superior protection in all situations.
2. Dual wiring capability for conductor and bus bar, enhancing versatility and ease of use.
3. Rapid closure mechanism, paired with a long operational life, ensures immediate response and enduring performance.
4. Easy installation and removal, simplifying maintenance and reducing downtime.
5. Contact on/off indication for improved safety monitoring and operational clarity.
6. Eco-friendly design focused on sustainability and energy efficiency, promoting an environmentally conscious choice.
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