The CHINT NB1-63DC series is a specialized range of circuit breakers engineered for the unique requirements of direct current (DC) electrical systems. This 2-pole, 63A model features a C-type tripping characteristic and a 500V DC rated voltage, providing a high short-circuit breaking capacity of 6000A. Compliant with IEC/EN 60947-2 international standards, it is an ideal safety component for protecting inverters, battery banks, and large solar string installations.Designed for long-term reliability in professional environments, the NB1-63DC provides a mechanical life of 20,000 operations and an electrical life of 1,500 operations. The breaker includes clear ON/OFF visual indicators and is designed for standard DIN-rail mounting, ensuring a simple and secure installation process. With an IP20 protection rating and an operational temperature range of -5°C to 40°C, it delivers consistent and durable circuit protection for a wide variety of renewable energy and communication power applications.Technical Specifications:Model: NB1-63DCRated Current ($I_n$): 63ANumber of Poles: 2PRated Voltage ($U_e$): 500V DCBreaking Capacity: 6kAStandard: IEC/EN 60947-2Degree of Protection: IP20Mechanical Life: 20,000 CyclesElectrical Life: 1,500 Cycles SKU: FSAC 8084 Categories: Solar Accessories, Solar Breakers Brand: CHINT
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