Name: NXB-40 Miniature Circuit Breaker
Brand: Chint

NXB-40 Miniature Circuit Breaker

The NXB-40 Miniature Circuit Breaker (MCB) delivers essential overload and short-circuit protection for electrical circuits up to 40A. NXB-40 MCB also provides circuit switching and isolation, enhancing safety and reliability across residential, commercial, and industrial power distribution systems.

Helpful Links

Blog

Explore expert insights, trends, and CHINT perspectives on the smart energy industry.

Resources

Download essential CHINT resources for your business needs.

Download Now

Have questions? Contact us for support and solutions.

Collapsed

Expand

FAQs

What is the main purpose of the NXB-40 Miniature Circuit Breaker?

The NXB-40 MCB provides overload and short-circuit protection, ensuring reliable safety in residential and small-scale commercial distribution systems.

What applications is the NXB-40 best suited for?

It is ideal for lighting, power distribution, and small motor protection in buildings, offices, and small machinery systems requiring up to 40A current handling.

How does the NXB-40 enhance electrical safety?

The breaker ensures positive isolation between circuits and employs thermal-magnetic tripping mechanisms to respond quickly to overload or fault conditions.

What are the available tripping characteristics?

It is available in Type C (5–10×In) for general use and Type D (10–16×In) for inductive or high inrush load applications.

Can the NXB-40 integrate with other CHINT accessories?

Yes, it supports a range of accessories including AX-X1, AL-X1 auxiliary contacts, and SHT-X1 or OVT/UVT/OUVT-X1 modules for expanded control and protection functions.

Please enter keywords to search

Choose your country & Language

Asia Pacific

Middle East & Africa

Europe

North America

Latin America

Choose your country & Language

Please enter keywords to search

NXB-40 Miniature Circuit Breaker

Product Information

Helpful Links

FAQs

NXB-40 Miniature Circuit Breaker

Product Information

Related Products

Helpful Links

FAQs