Nova DAB7-63 10ka 1P 2P 3P 4P Miniature Circuit Breaker MCB
Dab7-63 miniature DC circuit breakers are designed for superior overload and short circuit protection of lines operating with DC voltage up to 250V and rated current up to 63A. They are also suitable for infrequent line switching tasks.
The DC MCB circuit breaker is specifically crafted for communication networks, photovoltaic systems, and a variety of other DC system applications, ensuring robust performance and reliability.
>>Products meet:
IEC 60948.2, IEC 60947-2 standards
Compliant with EU RoHS environmental directives, our DC circuit breakers have also attained CCC and various other certifications, ensuring top-tier safety and performance.
>>Application
The Dab7-63/1p DC circuit breaker is engineered primarily for the overload and short circuit protection of DC electrical circuits and equipment, with rated DC voltage capacities up to DC250V and current thresholds up to 63A.
Beyond traditional uses, our DC circuit breaker is integral to solar power generation systems, handling working voltages up to DC250V. It swiftly interrupts fault currents in DC power distribution systems, thereby safeguarding solar power system PV modules from reverse current and protecting against AC feedback current from inverter malfunctions, ensuring the reliable operation of photovoltaic power generation systems.
>>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
Maximum relative humidity: ≤95%
Pollution severity: Level 2
>> 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 variants
2. Number of poles and voltage: 1P/DC250V, 2P/DC500V, 3P/DC750V, 4P/DC1000V
3. Rated short circuit capacity: 6000A
4. Outstanding mechanical and electrical longevity
The mechanical lifespan is impressively designed to exceed 20,000 cycles, ensuring long-term reliability and performance.
Boasting an electrical lifespan of no less than 8,000 cycles, this breaker is built for enduring efficiency.
>> Seamless DC Circuit Breaker Connection Mode
Wiring Diagram Description:
1. Positive power, negative power - a straightforward approach to connection.
2. L+ load positive, L- load negative - ensuring clear and effective load management.
3. It is strictly prohibited to connect the positive and negative poles of the power, ensuring safety and compliance.
4. Rated Voltage Specifications: 1P: DC250V;
2P: DC500V;
3P: DC750V;
4P: DC1000V.
>> Exceptional Features of the Dab7-63 Small DC Circuit Breaker
1. Superior breaking capability ensures immediate interruption of excess current.
2. Dual wiring functionality for both conductor and bus bar optimizes versatility.
3. Rapid closure and extended lifespan provide reliability and efficiency.
4. Easy installation and removal streamline the process.
5. On/off contact indication enhances operational safety.
6. Eco-friendly design with energy-saving features supports green initiatives.
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