


Introducing the Nova DAB7-63 10kA 1P 2P 3P 4P Miniature Circuit Breaker (MCB) - a pinnacle of protection and efficiency.
The Dab7-63 miniature DC circuit breakers offer unparalleled overload and short circuit protection for lines with DC voltage up to 250V and rated current up to 63A. Designed for infrequent switching of lines, these breakers are as versatile as they are reliable, ensuring your systems stay safe and operational.
Our DC MCB circuit breakers are meticulously engineered for communication systems, photovoltaic (PV) installations, and a variety of other DC system applications. With an emphasis on safety and reliability, they offer peace of mind in any setting.
>>Products meet:
IEC 60948.2 and IEC 60947-2 standards, guaranteeing top-tier safety and performance for all your electrical needs.
Fully compliant with EU RoHS environmental requirements, our DC circuit breakers have passed CCC and other important certifications, marking them as a dependable choice for eco-conscious applications.
>>Application
The Dab7-63/1P DC circuit breaker is expertly crafted for overload and short circuit protection in DC electrical circuits and equipment. It accommodates rated DC voltage up to 250V and current up to 63A, ensuring comprehensive protection.
Essential for solar power generation systems, this DC circuit breaker operates at voltages up to 250V DC. It swiftly interrupts fault currents within DC power distribution systems, safeguarding PV modules from reverse current and shielding against AC feedback current from inverter failures, thus ensuring the unwavering reliability of your solar photovoltaic systems.
>>Model and Meaning
Detailed Specifications for Dab7-63/1P Miniature DC Circuit Breaker
DC Circuit Breaker DAB7-63/1P 1A DC250V - Small yet mighty, designed for compact spaces.
DC Circuit Breaker DAB7-63/1P 2A DC250V - Providing robust protection with precision.
DC Circuit Breaker DAB7-63/1P 3A DC250V - A versatile solution for various applications.
DC Circuit Breaker DAB7-63/1P 4A DC250V - Balancing power safety with efficiency.
DC Circuit Breaker DAB7-63/1P 6A DC250V - Engineered for superior performance.
DC Circuit Breaker DAB7-63/1P 10A DC250V - Unyielding protection for critical systems.
DC Circuit Breaker DAB7-63/1P 16A DC250V - Powering your systems with unwavering reliability.
DC Circuit Breaker DAB7-63/1P 20A DC250V - Precision engineering for high-demand applications.
DC Circuit Breaker DAB7-63/1P 25A DC250V - Ensuring safety in dynamic environments.
DC Circuit Breaker DAB7-63/1P 32A DC250V - The definitive choice for medium to high loads.
DC Circuit Breaker DAB7-63/1P 40A DC250V - High-capacity protection for large-scale operations.
DC Circuit Breaker DAB7-63/1P 50A DC250V - Built to handle substantial power requirements.
DC Circuit Breaker DAB7-63/1P 63A DC250V - Ultimate protection for the most demanding applications.
>>Dab7-63/1P DC Circuit Breaker Working Environment and Installation Conditions
Ambient temperature range: -35ºC to +70ºC - Built to endure extreme conditions with ease.
Maximum air relative humidity: ≤95% - Reliable performance even in high humidity environments.
Pollution level: Level 2 - Designed to operate effectively in moderately polluted conditions.
>>Main 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 - Covering a wide range of applications with precision.
2. Number of Poles and Corresponding Voltage: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V - Adaptable to different voltage requirements for diverse applications.
3. Rated Short Circuit Capacity: 6000A. This ensures robust protection against electrical faults, enhancing the overall safety of your electrical systems.
4. Exceptional Mechanical and Electrical Life. Our product is engineered for superior performance and endurance.
With an extraordinary mechanical life span of no less than 20,000 cycles, this product guarantees unparalleled longevity and reliability, making it a steadfast choice for your electrical needs.
Offering an electrical life of at least 8,000 cycles, this circuit breaker assures consistent performance and exceptional durability, ensuring your systems remain secure over extended use.
>> DC Circuit Breaker Connection Mode. Designed for seamless integration into various electrical setups.
Wiring Diagram Description: Detailed guidance for accurate and safe installation.
1. Positive power, negative power. Ensuring correct polarity for optimal performance.
2. L+ load positive, L- load negative. Achieving proper load distribution and stability.
3. Strictly prohibited: connecting the positive and negative poles of the power. Adhering to this ensures safety and prevents potential hazards.
4. Rated Voltage: 1P: DC250V; Providing precise voltage specifications for each pole.
2P: DC500V; Ensuring versatility for various applications.
3P: DC750V; Offering higher voltage capabilities for more demanding uses.
4P: DC1000V. Ideal for the most powerful electrical systems.
>> Dab7-63 Small DC Circuit Breaker Product Features. Key attributes designed for superior performance:
1. Exceptional breaking capacity, guaranteeing superior protection and reliability in critical situations.
2. Dual wiring capability for both conductor and bus bar, enhancing versatility and ease of use.
3. Rapid closure mechanism, combined with an extended operational life, ensuring quick response and durability.
4. Easy installation and removal, ensuring simplified maintenance and reduced downtime.
5. Contact on/off indication for improved safety monitoring, allowing for quick identification of circuit status.
6. Eco-friendly design, emphasizing sustainability and energy efficiency, aligning with modern environmental standards.

