Name: NB1-63G Miniature Circuit Breaker
Brand: Chint

NB1-63G Miniature Circuit Breaker

The CHINT NB1-63G Miniature Circuit Breaker (MCB) offers reliable overload and short-circuit protection for residential, commercial, and industrial electrical systems. With up to 6 kA breaking capacity and B/C tripping characteristics, it ensures high safety and dependable performance. Its compact DIN-rail design, color-coded status indicator, and trip-free mechanism make it ideal for modern distribution panels. Compliant with IEC/EN 60898-1, the NB1-63G combines safety, durability, and easy installation in one efficient MCB.

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FAQs

What is the primary function of the NB1-63G Miniature Circuit Breaker?

It protects electrical circuits from overload and short-circuit faults, ensuring safe operation of connected equipment in residential, commercial, and light industrial installations.

What tripping characteristics does it provide?

The NB1-63G is available in Type B and C curves, allowing protection for resistive and inductive loads respectively. Type B is ideal for general lighting or heating circuits, while Type C suits inductive loads like motors.

What is its breaking capacity?

It offers a 6 kA breaking capacity, suitable for standard low-voltage distribution systems, ensuring circuit interruption under high fault conditions.

How easy is it to install and maintain?

With a DIN-rail clip design, top/bottom feed compatibility, and busbar connection support, the NB1-63G ensures quick installation and efficient wiring for multi-device configurations.

What makes the NB1-63G safe to operate?

It includes a trip-free mechanism (prevents holding during faults), color-coded contact indicator, and IP20 protection, ensuring operational safety and clear visual status.

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NB1-63G Miniature Circuit Breaker

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