The CHINT NB1-63DC DC Circuit Breaker provides dependable overload and short-circuit protection for DC systems up to 1000 V and 63 A. Compact and efficient, it is ideal for photovoltaic, energy storage, and communication power applications. With 6 kA breaking capacity and C-curve tripping characteristics, the NB1-63DC ensures fast, stable protection. Built to IEC/EN 60947-2 and RoHS standards, it features dual-cable or busbar connections, long mechanical life, and easy DIN-rail installation.

The 2A 1P NB1-63DC is ideal for Control, signal, and monitoring circuits. The 2A breaker is designed for ultra-sensitive DC protection in control panels, PLC systems, and telecom signal circuits. It ensures precise protection of low-energy DC wiring and instrumentation systems.

Technical Specification: 

• Standards & Certifications: IEC/EN 60947-2 | CCC | CE | CB | TÜV | RoHS 
• Rated Voltage (Ue): DC 250 V, 1P
• Rated Current (In): 2 A
• Poles: 1P 
• Tripping Curve: Type C (7–10 × In)
• Rated Short-Circuit Breaking Capacity (Icu): 6 kA
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Connection Options: Lead wire and busbar compatible (dual connection)
• Tightening Torque: 2 N·m
• Conductor Capacity: up to 25 mm²
• Installation: DIN rail mounting, plug-in structure
• Power Consumption (per pole): up to 16 W (at In ≤ 63 A)
• Accessories: Click here

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