Name: NBP-63R Moulded Case Circuit Breaker
Brand: Chint

NBP-63R Moulded Case Circuit Breaker

The NBP-63R Moulded Case Circuit Breaker (MCCB) provides essential overload and short-circuit protection for power lines, serving as a reliable isolating switch for maintenance. It ensures dependable fault interruption and enhances electrical safety and efficiency, making it suitable for demanding applications in residential, commercial, and industrial electrical distribution systems.

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FAQs

What applications is the NBP-63R MCCB suitable for?

It is ideal for low-voltage distribution systems, JP cabinets, and industrial switchgear, offering protection for circuits and equipment up to 63A under AC 400V.

How does the NBP-63R protect electrical systems?

It provides instantaneous tripping at 8×In to prevent damage during short circuits and includes thermal and magnetic protection for overloads.

What makes the NBP-63R different from standard breakers?

It offers a 15kA high breaking capacity, long service life, and compact design, ensuring durability and space efficiency in high-performance electrical panels.

How should the NBP-63R be installed?

The breaker is designed for DIN-rail mounting (TH35-7.5), with options for cable or busbar connections and a large snap stroke for quick installation.

Is the NBP-63R suitable for high-altitude environments?

Yes. Performance remains stable up to 5000m altitude, with current derating coefficients provided for precise configuration.

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NBP-63R Moulded Case Circuit Breaker

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NBP-63R Moulded Case Circuit Breaker

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