Introducing the Nova DAB7-63 10ka 1P 2P 3P 4P Miniature Circuit Breaker (MCB)-an epitome of reliability and performance in electrical protection.
The Dab7-63 Miniature DC Circuit Breakers, specifically designed for overload and short circuit protection, are ideal for lines with DC voltage up to 250V and rated current up to 63A. Additionally, they facilitate infrequent switching of lines, combining efficiency with top-tier safety.
Our DC MCB Circuit Breaker is engineered for diverse applications including communication systems, photovoltaic systems, and other vital DC system uses, ensuring comprehensive protection and operational integrity.
>> Products Meet:
Stringent standards of IEC 60948.2 and IEC 60947-2, guaranteeing top-notch quality and safety.
Compliant with EU RoHS environmental standards, our DC circuit breakers have successfully passed CCC and various other certifications, marking our commitment to quality and environmental responsibility.
>> Application
The Dab7-63/1P DC Circuit Breaker excels in providing overload and short circuit protection for DC electrical circuits and equipment, with a rated DC voltage capacity of up to DC250V and a current rating of up to 63A.
Our DC Circuit Breaker is also integral to solar power generation systems. Capable of handling working voltages of up to DC250V, it swiftly interrupts fault currents in DC power distribution systems. It safeguards solar photovoltaic power systems from reverse currents and AC feedback currents caused by inverter failures, ensuring smooth and reliable operation.
>> 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
Optimal performance at ambient temperatures ranging from -35ºC to +70ºC.
Maximum air relative humidity ≤95%.
Pollution Level: Rated at Level 2, ensuring robust operation across diverse environments.
>> 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, 63A, providing a wide range of options to meet various needs.
2. Case Pole Configuration: Available in multiple configurations-1P/DC250V, 2P/DC500V, 3P/DC750V, and 4P/DC1000V, catering to diverse application requirements.
3. Rated Short Circuit Capacity: Engineered to handle up to 6000A, ensuring exceptional reliability and safety.
4. Mechanical and Electrical Life: Built to last with superior mechanical and electrical durability, promising long-term performance and dependability.
The mechanical durability of the Shanghai Dada MCB 10ka DC Miniature Circuit Breaker is impressive, boasting a lifespan of no less than 20,000 operational cycles.
Our DC Miniature Circuit Breaker offers exceptional reliability with an electrical lifespan exceeding 8,000 cycles.
>> Comprehensive DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Ensure correct connection for positive and negative power sources.
2. Connect L+ for load positive and L- for load negative terminals.
3. Important: Avoid connecting the positive and negative poles of the power source to prevent damage.
4. Rated Voltage Specifications: 1P: DC 250V;
2P: DC 500V;
3P: DC 750V;
4P: DC 1000V
>> Exceptional Features of the Dab7-63 Small DC Circuit Breaker
1. Superior breaking capacity for enhanced operational safety;
2. Dual wiring capabilities for both conductor and bus bar applications;
3. Rapid closure mechanism ensuring long operational life;
4. Easy and quick installation and disassembly process;
5. Clear contact on/off indication for increased safety assurance;
6. Eco-friendly design emphasizing environmental protection and energy efficiency;
Audited Supplier 
){kind=link}