Introducing the Nova DAB7-63: a versatile 10ka miniature circuit breaker (MCB) available in 1P, 2P, 3P, and 4P configurations. Designed with efficiency and safety in mind, this compact device ensures reliable circuit protection.
The Dab7-63 miniature DC circuit breakers offer superior overload and short circuit protection for lines with DC voltage up to 250V and a rated current up to 63A. They are also ideal for infrequent line switching, making them a versatile solution for various applications.
Our DC MCB circuit breaker is the perfect fit for communication networks, photovoltaic (PV) systems, and an array of other DC system applications, delivering unmatched reliability and performance.
>>Products meet:
Adhering to the highest standards, our products comply with IEC 60948.2 and IEC 60947-2, ensuring superior quality and safety.
In line with EU RoHS environmental directives, our DC circuit breakers are CCC certified and meet various other international certifications, guaranteeing eco-friendly and dependable performance.
>>Application
The Dab7-63/1P DC circuit breaker is specifically engineered for overload and short circuit protection in DC electrical circuits and equipment, accommodating rated DC voltages of up to 250V and currents up to 63A.
Engineered for solar power systems, our DC circuit breaker handles voltages up to 250V, swiftly interrupting fault currents to protect PV modules from reverse currents and AC feedback from inverter failures, ensuring the reliable and safe operation of solar photovoltaic power generation systems.
>>Model and Meaning
Explore the specifications of the Dab7-63/1P miniature DC circuit breaker, meticulously designed to meet your protection needs.
DC Circuit Breaker DAB7-63/1P 1A 250V
DC Circuit Breaker DAB7-63/1P 2A 250V
DC Circuit Breaker DAB7-63/1P 3A 250V
DC Circuit Breaker DAB7-63/1P 4A 250V
DC Circuit Breaker DAB7-63/1P 6A 250V
DC Circuit Breaker DAB7-63/1P 10A 250V
DC Circuit Breaker DAB7-63/1P 16A 250V
DC Circuit Breaker DAB7-63/1P 20A 250V
DC Circuit Breaker DAB7-63/1P 25A 250V
DC Circuit Breaker DAB7-63/1P 32A 250V
DC Circuit Breaker DAB7-63/1P 40A 250V
DC Circuit Breaker DAB7-63/1P 50A 250V
DC Circuit Breaker DAB7-63/1P 63A 250V
>>Dab7-63/1P DC Circuit Breaker Working Environment and Installation Conditions
Ambient temperature ranges from -35ºC to +70ºC, ensuring resilience in diverse conditions.
Air relative humidity of ≤95%, making it suitable for humid environments.
Pollution level: Level 2, indicating moderate pollution tolerance.
>> Main parameters and technical performance of miniature DC circuit breaker
1. Rated current In: Available in increments from 1A to 63A, including 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A to meet various needs.
2. Pole configuration options: 1P for DC250V, 2P for DC500V, 3P for DC750V, and 4P for DC1000V, offering flexibility for different applications.
3. Rated short circuit capacity: 6000A, ensuring robust performance and protection.
4. Mechanical and Electrical Longevity
The mechanical endurance of our circuit breakers is impressively robust, withstanding a minimum of 20,000 operations, ensuring long-lasting reliability.
Our circuit breakers boast an electrical life of no less than 8,000 operations, delivering enduring performance even under rigorous conditions.
>> DC Circuit Breaker Connection Modes
Wiring Diagram Description:
1. Positive Power, Negative Power.
2. L+ Load Positive, L- Load Negative.
3. It is strictly forbidden to connect the positive and negative power poles.
4. Rated Voltage Specifications: 1P: DC 250V;
2P: DC 500V;
3P: DC 750V;
4P: DC 1000V
>> Dab7-63 Small DC Circuit Breaker Product Features
1. Outstanding breaking capability that ensures superior safety and performance;
2. Dual wiring feature accommodates both conductor and bus bar, offering versatile connectivity;
3. Rapid closure mechanism combined with an extended operational lifespan;
4. Easy installation and removal, enhancing user convenience;
5. Clear contact on/off indication for enhanced safety assurance;
6. Eco-friendly design promoting green practices and energy efficiency;
Audited Supplier 
){kind=link}