The NB1-63 3P 10A Miniature Circuit Breaker provides efficient protection against overloads and short circuits. Featuring a C curve tripping characteristic and 6kA breaking capacity, it is suitable for general-purpose applications in residential and commercial electrical installations.

The CHINT NB1-63 Miniature Circuit Breaker is designed for reliable overload and short-circuit protection in low-voltage electrical installations. Compact and durable, it operates in AC 50/60 Hz, 230/400 V circuits, with rated currents up to 63 A and a breaking capacity of 6 kA. Its B, C, and D tripping curves accommodate different load types, while a long mechanical life ensures consistent performance in residential, commercial, and light industrial environments

Technical Specification: 

• Standards Compliance: IEC/EN 60898-1
• Function: Overload, short-circuit, and isolation protection
• Rated Voltage (Ue): 415 V~ 3P
• Rated Frequency: 50/60 Hz
• Rated Current (In): 10 A
• Rated Breaking Capacity (Icn): 6 kA
• Rated Insulation Voltage (Ui): 500 V
• Tripping Characteristics: C Curve: 5–10 In (mixed loads, motor circuits)
• Mounting: TH35-7.5 DIN rail
• Connection: Top or bottom feed
• Terminal Capacity: 1–25 mm² (cable)
• Tightening Torque: 2.0 N·m
• Compatible Accessories: Click here auxiliary contact, alarm contact, shunt release, undervoltage release
• Dimensions (mm): Height: 82, Depth: 75.5, Width: 54 mm

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