Chint 40A 4 Pole C Curve DC1000V (Solar) MCB

The CHINT NB1-63DC-4P-C40 is a high-performance 4-pole DC miniature circuit breaker (MCB) engineered for reliable overload and short-circuit protection in photovoltaic (PV), solar, energy storage, and industrial DC power systems. Rated at 40A with a C-curve tripping characteristic, this breaker is designed to safely protect DC circuits operating up to 1000V DC.

Built to IEC/EN 60947-2 standards, the NB1-63DC-4P-C40 offers dependable switching performance, excellent breaking capacity, and long operational life in demanding renewable energy and industrial environments. Its compact DIN rail mounting design and dual terminal compatibility make installation simple and efficient for modern DC distribution systems.