Nova DAB7-63 10ka 1P, 2P, 3P, 4P Miniature Circuit Breaker (MCB)
The DAB7-63 Miniature DC Circuit Breakers are expertly engineered for the ultimate protection against overload and short circuit conditions in circuits with DC voltage up to 250V and rated current up to 63A. Furthermore, these circuit breakers facilitate reliable infrequent line switching.
Our DC MCB Circuit Breakers excel in various applications, including communication systems, photovoltaic (PV) systems, and a myriad of other DC system applications, ensuring optimal performance and protection.
>> Products Compliance:
Adhering to the comprehensive standards: IEC 60948.2 and IEC 60947-2.
Our DC Circuit Breakers are fully compliant with the EU RoHS environmental directives and have successfully passed rigorous CCC and other key certifications, guaranteeing quality and environmental responsibility.
>> Applications:
The Dab7-63/1P DC Circuit Breaker is primarily designed to safeguard DC electrical circuits and equipment. With a rated DC voltage capability of up to 250V and current up to 63A, it provides exceptional overload and short circuit protection.
Specifically tailored for solar power generation systems, the DC Circuit Breaker operates at working voltages up to 250V DC. It swiftly isolates fault currents within DC power distribution systems, playing a crucial role in protecting PV modules from reverse currents and AC feedback due to inverter failures, ensuring the reliable operation of solar photovoltaic power systems.
>> Model and Specifications:
Dab7-63/1P Miniature DC Circuit Breaker - Detailed 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
>> Working Environment and Installation Conditions for Dab7-63/1P DC Circuit Breaker
Ambient Temperature: -35ºC to +70ºC
Air Relative Humidity: ≤95%
Pollution Level: Level 2
>> Key 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 by Voltage: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated Short Circuit Capacity: 6000A
4. Mechanical and Electrical Endurance: Ensures long-lasting and dependable performance.
The mechanical durability of this product is nothing short of exceptional, enduring no less than 20,000 operations.
Boasting a remarkable electrical lifespan, this device performs flawlessly for a minimum of 8,000 cycles.
>> DC Circuit Breaker Connection Modes
Wiring Diagram Description:
1. Connect the positive power and negative power correctly.
2. Ensure L+ connects to the load positive and L- to the load negative.
3. Absolutely avoid connecting the positive and negative poles of the power supply together.
4. Rated Voltage Levels: 1P: DC 250V;
2P: DC 500V;
3P: DC 750V;
4P: DC 1000V.
>> Features of the Dab7-63 Small DC Circuit Breaker
1. Superior breaking capability for enhanced performance;
2. Dual wiring functionality for both conductor and bus bar;
3. Rapid closure coupled with extended operational life;
4. Simplified installation and removal process;
5. Clear on/off contact indication, ensuring higher safety standards;
6. Environmentally friendly design, promoting energy efficiency and sustainability.
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