Introducing the Nova DAB7-63 10kA Miniature Circuit Breaker (MCB) - available in 1P, 2P, 3P, and 4P configurations. Your ultimate choice for unparalleled electrical protection.
Experience superior overload and short circuit protection with the Dab7-63 miniature DC circuit breakers. Engineered for DC lines with voltages up to 250V and currents reaching 63A, these breakers excel in both regular and infrequent switching scenarios, offering unmatched versatility and reliability.
Our DC MCB circuit breakers are meticulously designed for critical applications in communication systems, photovoltaic (PV) installations, and diverse DC systems, ensuring optimal safety and steadfast reliability.
>>Products meet:
Adhering to IEC 60948.2 and IEC 60947-2 standards, our products guarantee top-tier safety and impeccable performance.
Fully compliant with EU RoHS environmental standards, our DC circuit breakers have also earned CCC and other essential certifications, underscoring their quality and safety.
>>Application
The Dab7-63/1P DC circuit breaker is an expert solution for overload and short circuit protection in DC electrical circuits and equipment, effectively managing rated DC voltages of up to 250V and currents up to 63A.
Indispensable for solar power systems, this DC circuit breaker operates seamlessly at voltages up to 250V DC. It swiftly interrupts fault currents in DC power distribution systems, protecting PV modules from reverse current and preventing AC feedback from inverter malfunctions, ensuring the reliable operation of photovoltaic installations.
>>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
Operating within an ambient temperature range of -35ºC to +70ºC, our breakers are designed to perform under extreme conditions.
Maximum relative air humidity: ≤95%, ensuring reliable performance even in high humidity environments.
Pollution degree: Level 2, suitable for a wide range of environmental conditions.
>>Main Parameters and Technical Performance of Miniature DC Circuit Breaker
1. Rated Current (In): Available in 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A options, catering to diverse application needs.
2. Number of Poles and Corresponding Voltage: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated Short Circuit Capacity: 6000A
4. Exceptional Mechanical and Electrical Life
With an outstanding mechanical life span of not less than 20,000 cycles, this product promises unrivaled longevity and impeccable reliability.
Boasting an electrical life of at least 8,000 cycles, this circuit breaker ensures consistent performance and remarkable durability.
>> DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Positive power, negative power.
2. L+ load positive, L- load negative.
3. Strictly prohibited: connecting the positive and negative poles of the power.
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.
2. Dual wiring capability for both conductor and bus bar, enhancing versatility.
3. Rapid closure mechanism, paired with an extended operational life.
4. Easy installation and removal, facilitating simplified maintenance.
5. Contact on/off indication for enhanced safety monitoring.
6. Eco-friendly design, emphasizing sustainability and energy efficiency.
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