Nova DAB7-63 10kA Miniature Circuit Breaker (MCB) - Available in 1P, 2P, 3P, 4P configurations
The Dab7-63 Miniature DC Circuit Breakers offer exceptional protection against overloads and short circuits in lines with DC voltage up to 250V and rated currents up to 63A. These devices are also suitable for infrequent line switching.
Our DC MCB Circuit Breaker is an ideal solution for applications in communication systems, photovoltaic (PV) systems, and various other DC setups.
>>Products Conform to:
IEC 60948.2, IEC 60947-2 Standards
Adhering to EU RoHS environmental guidelines, our DC Circuit Breakers have obtained CCC and additional certifications, ensuring top-tier performance and compliance.
>>Application
The Dab7-63/1P DC Circuit Breaker is designed primarily for safeguarding DC electrical circuits and equipment from overload and short circuit conditions, handling rated DC voltages up to 250V and currents up to 63A.
Essential for solar power systems, the DC Circuit Breaker operates at voltages up to 250V. It swiftly interrupts fault currents in DC power distribution systems, protecting PV modules from reverse currents and AC feedback caused by inverter failures, thus ensuring the reliable operation of solar photovoltaic power systems.
>>Model and Specification Details
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
>>Operating Environment and Installation Conditions for Dab7-63/1P DC Circuit Breaker
Operating Temperature Range: -35ºC to +70ºC
Relative Humidity: ≤95%
Pollution Degree: Level 2
>>Key Parameters and Technical Specifications 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. Mechanical and Electrical Longevity
The mechanical lifespan is guaranteed to be no less than an impressive 20,000 cycles.
Electrical lifespan is ensured to exceed 8,000 cycles without compromise.
>> DC Circuit Breaker Connection Methods
Detailed Wiring Diagram Description:
1. Connect to positive power and negative power as directed.
2. L+ for load positive and L- for load negative.
3. It is strictly prohibited to connect the positive and negative poles of the power supply incorrectly.
4. Rated Voltage: 1P: DC 250V;
2P: DC 500V;
3P: DC 750V;
4P: DC 1000V
>> Distinguished Features of Dab7-63 Small DC Circuit Breaker
1. Exceptional breaking capability ensuring reliability;
2. Dual wiring functionality accommodating both conductor and bus bar;
3. Swift closure mechanism guaranteeing extended product life;
4. Easy installation and hassle-free disassembly;
5. Clear contact on/off indication for superior safety;
6. Eco-friendly design promoting energy conservation and environmental protection.
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