Name: NBH8 Miniature Circuit Breaker
Brand: Chint

NBH8 Miniature Circuit Breaker

The NBH8 Miniature Circuit Breaker (MCB) is engineered to protect electrical circuits against overload and short-circuit currents while ensuring safe isolation and switching. Designed for residential and commercial power distribution, it features B and C tripping curves, supports 230/240V AC systems, and offers breaking capacities of 4.5kA or 6kA. Compact, reliable, and fully compliant with IEC/EN 60898-1, the NBH8 guarantees long mechanical endurance and stable protection performance.

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FAQs

What is the NBH8 Miniature Circuit Breaker used for?

The NBH8 MCB protects electrical circuits from overload and short-circuit conditions, ensuring operational safety in residential, commercial, and small industrial applications.

What is the difference between B and C tripping curves?

B Curve: Protects resistive loads and long cable runs with low inrush current.

C Curve: Ideal for circuits with mixed or inductive loads such as lighting or motors.

What are the breaking capacity options available?

The NBH8 is available in 4.5kA and 6kA breaking capacity options, offering flexibility for various fault level requirements.

How long can the NBH8 MCB last?

The breaker is designed for 10,000 electrical and 20,000 mechanical operations, ensuring a long service life with consistent performance.

Can the NBH8 MCB integrate with auxiliary devices?

Yes. It supports auxiliary contacts, shunt releases, under-voltage releases, and alarm contacts, enhancing control and monitoring functions.

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NBH8 Miniature Circuit Breaker

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