63A 1 Pole C Curve 6KA MCB (NB1-63C1P63)

The 63A 1 Pole C Curve 6KA MCB (Miniature Circuit Breaker) from Chint delivers reliable protection for single-phase electrical circuits. Designed to safeguard wiring and appliances from overload and short-circuit faults, this high-quality breaker is ideal for domestic, commercial and light industrial installations.

This compact breaker features a 63 ampere rating with a C-curve tripping characteristic, giving dependable performance for circuits with moderate inrush currents such as lighting, sockets and small motors. It has a 6 kiloampere (6kA) breaking capacity that meets robust safety standards, making it suitable for typical consumer units and distribution boards.

Constructed with a durable plastic housing and designed for DIN rail installation, this breaker is easy to fit into standard electrical panels. Its IP20 protection rating offers basic resistance against accidental contact with live parts. Operating comfortably in ambient temperatures from -5°C to +40°C, it maintains reliable functioning across a wide range of environments.

With a compact modular width of 18mm per pole and the ability to accept cables up to 25mm², the NB1-63C1P63 balances space-saving design with strong electrical performance. Whether you are upgrading a consumer unit, protecting circuits in a renovation or building out new mains distribution, this MCB delivers efficient circuit protection you can trust.

63A 1 Pole C Curve 6KA MCB (NB1-63C1P63) – Data Sheet