Chint DC Breaker 20A 500V 2 Pole NB1-63DC C20A
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The CHINT NB1-63DC is a professional 2-pole DC miniature circuit breaker designed for 20A circuits with a rated voltage of 500V DC. It provides reliable protection against overload and short circuits in DC systems, such as solar photovoltaic installations, battery systems, inverters, combiner boxes, and communication power supplies.
Original price was: 84. 54Current price is: 54.
Description
The CHINT NB1-63DC series is specifically engineered for direct current (DC) applications, offering reliable performance and high breaking capacity for critical energy infrastructure. This 2-pole, 20A C-type DC breaker operates at a rated voltage of 500V DC and features a short-circuit breaking capacity of 6kA. Designed according to IEC/EN 60947-2 standards, it ensures precise trip control and safe protection for industrial and commercial DC power systems.
Built for long-term durability, the NB1-63DC provides an electrical life of 1,500 operations and a mechanical life of 20,000 operations. Its compact DIN-rail mounting design and clear ON/OFF indicators make it easy to install inside standard distribution boards. The breaker is suitable for DC protection in solar PV systems, inverters, battery banks, combiner boxes, and other renewable energy applications.
Technical Specifications:
- Model: NB1-63DC
- Rated Current (In): 20A
- Number of Poles: 2P
- Rated Voltage (Ue): 500V DC
- Breaking Capacity: 6kA
- Tripping Curve: C-type
- Standard: IEC/EN 60947-2
- Degree of Protection: IP20
- Mechanical Life: 20,000 Cycles
- Electrical Life: 1,500 Cycles
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