Introducing the Nova DAB7-63 10kA Miniature Circuit Breaker (MCB) - available in 1P, 2P, 3P, and 4P configurations.
The DAB7-63 miniature DC circuit breakers provide superior overload and short circuit protection for DC lines up to 250V with a rated current up to 63A. These breakers are also ideal for infrequent switching of lines, offering unmatched versatility and reliability.
Our DC MCB circuit breakers have been meticulously designed for use in communication systems, photovoltaic (PV) installations, and other DC systems, ensuring the highest levels of safety and reliability.
>>Products meet:
Adhering to IEC 60948.2 and IEC 60947-2 standards, our products guarantee top-tier safety and exceptional performance.
Our DC circuit breakers comply with EU RoHS environmental requirements and have successfully passed CCC and other crucial certifications.
>>Application
The DAB7-63/1P DC circuit breaker is engineered specifically for overload and short circuit protection in DC electrical circuits, accommodating rated DC voltages up to 250V and currents up to 63A.
Indispensable for solar power generation systems, this DC circuit breaker operates at voltages up to 250V DC. It efficiently interrupts fault currents in DC power distribution systems, protecting PV modules from reverse currents and shielding against AC feedback from inverter failures, thereby ensuring the optimal operation of solar photovoltaic systems.
>>Model and Meaning
Specifications for the DAB7-63/1P Miniature DC Circuit Breaker
1A DC250V - DAB7-63/1P DC Circuit Breaker
2A DC250V - DAB7-63/1P DC Circuit Breaker
3A DC250V - DAB7-63/1P DC Circuit Breaker
4A DC250V - DAB7-63/1P DC Circuit Breaker
6A DC250V - DAB7-63/1P DC Circuit Breaker
10A DC250V - DAB7-63/1P DC Circuit Breaker
16A DC250V - DAB7-63/1P DC Circuit Breaker
20A DC250V - DAB7-63/1P DC Circuit Breaker
25A DC250V - DAB7-63/1P DC Circuit Breaker
32A DC250V - DAB7-63/1P DC Circuit Breaker
40A DC250V - DAB7-63/1P DC Circuit Breaker
50A DC250V - DAB7-63/1P DC Circuit Breaker
63A DC250V - DAB7-63/1P DC Circuit Breaker
>>DAB7-63/1P DC Circuit Breaker Working Environment and Installation Conditions
Ambient temperature range: -35ºC to +70ºC for reliable operation across various climates.
Maximum air relative humidity: ≤95% ensuring performance in diverse environmental conditions.
Pollution level: Rated at Level 2 for dependable use in moderately polluted environments.
>>Main Parameters and Technical Performance of Miniature DC Circuit Breaker
1. Rated Current (In): Available in a range of 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A.
2. Number of Poles and Corresponding Voltage: Options include 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V, providing flexibility for various system requirements.
3. Rated Short Circuit Capacity: A robust 6000A, ensuring unmatched safety and reliability during power surges.
4. Exceptional Mechanical and Electrical Life: Engineered for excellence, delivering enduring performance in demanding conditions.
With an impressive mechanical life span of no less than 20,000 cycles, this product guarantees unparalleled longevity and unwavering reliability in every use.
Offering an electrical life of at least 8,000 cycles, this circuit breaker assures consistent performance and exceptional durability, even with frequent use.
>> DC Circuit Breaker Connection Mode: Ensuring versatility and secure connections for optimal operation.
Wiring Diagram Description: Clear and precise guidelines for seamless electrical integration.
1. Positive power, negative power: Ensures correct polarity for efficient operation.
2. L+ load positive, L- load negative: Guarantees proper load management and safety.
3. Strictly prohibited: connecting the positive and negative poles of the power: Prevents dangerous electrical faults and hazards.
4. Rated Voltage: Ensures optimal performance across various configurations: 1P: DC250V;
2P: DC500V; Suitable for medium voltage applications.
3P: DC750V; Ideal for higher voltage requirements.
4P: DC1000V; Perfect for maximum voltage applications.
>> Dab7-63 Small DC Circuit Breaker Product Features: Advanced technology for superior electrical protection.
1. Exceptional breaking capacity, guaranteeing superior protection: Ensures safety and reliability even under extreme conditions.
2. Dual wiring capability for both conductor and bus bar, enhancing versatility: Flexible installation options for diverse applications.
3. Rapid closure mechanism, combined with an extended operational life: Provides swift and efficient operation, ensuring long-lasting performance.
4. Easy installation and removal, ensuring simplified maintenance: User-friendly design for hassle-free maintenance and service.
5. Contact on/off indication for improved safety monitoring: Clear visual indicators to enhance operational safety.
6. Eco-friendly design, emphasizing sustainability and energy efficiency: Designed to minimize environmental impact while maximizing efficiency.
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