NB8-63M Miniature Circuit Breaker (Magnetic Type) Datasheet & Manual

NB8-63M Miniature Circuit Breaker (Magnetic Type)

The NB8-63M Miniature Circuit Breaker (MCB) is a reliable, magnetic-type device providing comprehensive overload and short-circuit protection for circuits up to 63A. It features a high 10kA breaking capacity and versatile C and D tripping curves to effectively manage various loads, including those with high inrush currents. This essential device ensures circuit switching and isolation, enhancing safety and reliability across residential, commercial, and industrial electrical distribution systems.

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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 Miniature Circuit Breaker (Magnetic Type)

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NB8-63M Miniature Circuit Breaker (Magnetic Type)

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