Chint DC Breaker 16A 500V 2 Pole NB1-63DC C16A

The CHINT NB1-63DC series is specifically engineered for direct current (DC) applications, offering robust performance and high breaking capacity for critical energy infrastructure. This 2-pole, 16A C-type breaker operates at a rated voltage of 500V DC and features a high short-circuit breaking capacity of 6000A. Designed to meet IEC/EN 60947-2 standards, it ensures precise trip control and safety for both industrial and commercial DC power systems.

Built for longevity, 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 integrate into standard distribution boards. The breaker is optimized for a wide ambient temperature range from -5°C to +40°C, delivering consistent protection for inverters, battery banks, and solar arrays.

Technical Specifications:

• Model: NB1-63DC

• Rated Current ($I_n$): 16A

• Number of Poles: 2P

• Rated Voltage ($U_e$): 500V DC

• Breaking Capacity: 6kA

• Tripping Curve: C-type (7 $I_n$ to 10 $I_n$)

• Standard: IEC/EN 60947-2

• Degree of Protection: IP20

• Mechanical Life: 20,000 Cycles

• Electrical Life: 1,500 Cycles