Chint 32A 4 Pole C Curve DC1000V Type MCB (NB1-63DC-4P-C32)

The Chint 32A 4 Pole C Curve DC1000V Type MCB is a dependable miniature circuit breaker designed specifically for solar and DC power systems. Built to protect direct current circuits from overloads and short circuits, it is an essential safety component for photovoltaic installations, battery storage systems and DC distribution boards.

With a current rating of 32 amps and support for up to 1000V DC, this MCB is suitable for modern high voltage solar arrays. The C Curve tripping characteristic provides a balanced response to sudden current surges, helping prevent unnecessary interruptions while still offering reliable protection for cables, inverters and connected equipment.

The 4 pole design allows for full isolation of multiple DC conductors, improving system safety during maintenance and fault conditions. Its compact housing is designed for standard DIN rail mounting, making installation quick and straightforward in combiner boxes and control panels.

This breaker is built to meet recognised international standards, including IEC and EN certifications, giving installers confidence in its performance and compliance. It also supports both cable and busbar connections, offering flexibility for different wiring setups.

Designed to operate in a wide temperature range, the NB1-63DC series delivers long term durability in demanding environments such as outdoor solar installations and industrial power systems. The robust construction ensures consistent performance over thousands of operating cycles.

Whether you are installing a new solar PV system or upgrading an existing DC power setup, this Chint 32A DC MCB provides the protection, reliability and ease of installation that professionals and homeowners expect.

Chint 32A 4 Pole C Curve DC1000V Type MCB (NB1-63DC-4P-C32) – Data Sheet