Nova DAB7-63 10ka 1P 2P 3P 4P Miniature Circuit Breaker MCB
The Dab7-63 miniature DC circuit breakers are precision-engineered for superior overload and short circuit protection in lines with DC voltage up to 250V and rated current up to 63A. Additionally, they are designed for infrequent line switching, enhancing operational efficiency.
Our DC MCB circuit breakers are meticulously crafted for communication systems, photovoltaic systems, and a broad spectrum of other DC applications.
>> Products meet:
IEC 60948.2, IEC 60947-2
Adhering to stringent EU RoHS environmental standards, our DC circuit breakers have successfully passed CCC and other rigorous certifications.
>> Application
The Dab7-63/1p DC circuit breaker specializes in providing robust overload and short circuit protection for DC electrical circuits and equipment, with a rated DC voltage up to and including DC250V and current up to 63A.
Our DC circuit breakers are also integral to solar power generation systems. They operate with a working voltage up to DC250V, capable of swiftly interrupting fault currents in DC power distribution systems. They play a critical role in safeguarding solar photovoltaic power generation systems against reverse currents on the DC side and AC feedback currents from inverter failures, ensuring 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
Ambient temperature range: -35ºC to +70ºC
Relative air humidity: ≤95%
Pollution level: Grade 2
>> 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
2. Number of poles per case: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated short circuit capacity: 6000A
4. Mechanical and electrical life: Outstanding durability
The mechanical life of this remarkable circuit breaker shall extend to an impressive minimum of 20,000 cycles, ensuring longevity and reliability for all your electrical needs.
Engineered for robustness, this circuit breaker boasts an electrical life of no less than 8,000 cycles, guaranteeing consistent performance and safety.
>>DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Positive power and negative power connections are clearly delineated for efficient setup.
2. L+ represents the load positive, while L- denotes the load negative for straightforward wiring.
3. It is strictly prohibited to interconnect the positive and negative poles of the power source to avoid critical failures.
4. Rated Voltage Parameters: 1P: DC 250V;
2P: DC 500V;
3P: DC 750V;
4P: DC 1000V
>> Dab7-63 Small DC Circuit Breaker Product Features
1. Outstanding breaking capability to handle demanding electrical loads with ease.
2. Versatile dual wiring functionality accommodates both conductor and busbar configurations.
3. Swift closure mechanism ensures rapid response times, coupled with an extended lifespan.
4. Designed for easy installation and disassembly, minimizing downtime.
5. Clear contact on/off indication enhances operational safety.
6. Committed to green technology, promoting environmental protection and energy efficiency.
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