Name: NB8 -63M Moulded Case Circuit Breaker
Brand: Chint

NB8 -63M Moulded Case Circuit Breaker

The NB8-63M Miniature Circuit Breaker (Magnetic type) by CHINT provides short-circuit protection, switching, and isolation for residential, commercial, and industrial installations. Engineered to IEC 60947-2 standards, it features C and D tripping curves for low and high inrush current applications. With a 10kA breaking capacity, up to 63A rated current, and compact DIN-rail design, the NB8-63M offers stable, efficient, and safe circuit protection under varying load conditions.

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FAQs

What type of protection does the NB8-63M provide?

It offers short-circuit protection, circuit isolation, and switching functions, ensuring safety and reliability for domestic and industrial electrical networks.

What is the difference between the C and D tripping curves?

C Curve: For resistive and inductive loads with low inrush current (lighting, sockets).

D Curve: For high inrush loads such as transformers or discharge lamps.

What is the rated short-circuit capacity of this breaker?

The NB8-63M features a 10kA rated breaking capacity, making it suitable for installations with high short-circuit currents.

What are the available rated currents and poles?

It is available from 6A to 63A, in 1P, 2P, 3P, and 4P configurations, adaptable for diverse single-phase and three-phase applications.

Which accessories can be used with the NB8-63M?

The breaker is compatible with S9, V9, XF9, XF9J auxiliary contacts, and OVT-1/OUVT-1 voltage releases for enhanced monitoring and remote control.

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NB8 -63M Moulded Case Circuit Breaker

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