Introducing the Nova DAB7-63: A versatile Miniature Circuit Breaker (MCB) available in 1P, 2P, 3P, and 4P configurations, designed to deliver a robust 10ka breaking capacity.

The Dab7-63 miniature DC circuit breakers provide exceptional protection for lines with DC voltage up to 250V and rated current up to 63A, effectively guarding against both overload and short circuit conditions. Ideal for applications requiring infrequent line switching.
Our DC MCB circuit breaker is expertly crafted for a range of applications including communication systems, photovoltaic (solar) installations, and other critical DC system requirements.

>>Products meet:
Compliant with IEC 60948.2 and IEC 60947-2 standards
Adhering to EU RoHS environmental guidelines, our DC circuit breakers have earned CCC and other essential certifications, underscoring their quality and reliability.

>>Application
The Dab7-63/1p DC circuit breaker is specifically designed for safeguarding DC electrical circuits and equipment against overloads and short circuits. It supports systems with rated DC voltages up to 250V and currents up to 63A.
Ideal for solar power generation systems, this DC circuit breaker operates at voltages up to DC250V. It quickly interrupts fault currents in DC power distribution systems, protecting solar PV modules from reverse currents and AC feedback from inverter failures, thereby ensuring the reliable operation of photovoltaic power generation systems.

>>Model and Meaning

Explore the Dab7-63/1p miniature DC circuit breaker, featuring detailed specification parameters tailored for diverse applications.
DC circuit breaker model DAB7-63/1p 1A DC250V
DC circuit breaker model DAB7-63/1p 2A DC250V
DC circuit breaker model DAB7-63/1p 3A DC250V
DC circuit breaker model DAB7-63/1p 4A DC250V
DC circuit breaker model DAB7-63/1p 6A DC250V
DC circuit breaker model DAB7-63/1p 10A DC250V
DC circuit breaker model DAB7-63/1P 16A DC250V
DC circuit breaker model DAB7-63/1p 20A DC250V
DC circuit breaker model DAB7-63/1p 25A DC250V
DC circuit breaker model DAB7-63/1P 32A DC250V
DC circuit breaker model DAB7-63/1p 40A DC250V
DC circuit breaker model DAB7-63/1p 50A DC250V
DC circuit breaker model DAB7-63/1p 63A DC250V

>>Dab7-63/1p DC circuit breaker working environment and installation conditions

Operating temperature range: -35ºC to +70ºC
Maximum air relative humidity: ≤95%
Pollution degree: Level 2

>> Main parameters and technical performance of miniature DC circuit breaker

1. Rated current (In): Options include 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
2. Configuration by pole: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated short circuit capacity: 6000A
4. Extensive mechanical and electrical lifespan
The exceptional mechanical endurance of this circuit breaker ensures it withstands no less than 20,000 operations, guaranteeing long-term reliability and performance.
Engineered for longevity, this circuit breaker offers an impressive electrical lifespan of at least 8,000 cycles, ensuring sustained electrical performance.

>>DC Circuit Breaker Connection Mode

Wiring Diagram Description:
1. Positive power terminal, negative power terminal.
2. L+ represents load positive, and L- represents load negative.
3. It is strictly prohibited to connect the positive and negative poles of the power supply incorrectly.
4. Rated voltage specifications: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V

>>Dab7-63 Small DC Circuit Breaker Product Features
1. Superior breaking capability for enhanced safety and performance.
2. Dual wiring functionality supporting both conductor and bus bar connections.
3. Quick closure mechanism coupled with an extended operational lifespan.
4. Designed for easy installation and straightforward disassembly.
5. Clear contact on/off indication for improved operational safety.
6. Eco-friendly design promoting energy conservation and environmental protection.