Chint 400A 4 Pole AC Type Isolator

The NM8NSD-400/AC400/4P is a high-performance molded case circuit breaker (MCCB) designed to provide reliable circuit protection and safe power distribution in industrial and commercial electrical systems. Rated for AC400V operation and featuring a 4-pole configuration, it is engineered to protect electrical circuits against overloads, short circuits, and other electrical faults, helping to ensure system safety and operational stability in demanding environments.

Built with a durable industrial-grade design, the NM8NSD-400/AC400/4P is capable of handling high-capacity electrical loads while maintaining dependable protection performance over long periods of operation. Its 4-pole construction allows for comprehensive protection across multi-phase electrical systems, making it ideal for applications requiring reliable isolation and control of all live conductors. The breaker is commonly used in industrial power distribution panels, manufacturing facilities, commercial buildings, HVAC systems, and large-scale electrical installations where safety and uninterrupted operation are critical.

Designed for easy integration into modern electrical systems, the NM8NSD-400/AC400/4P offers strong mechanical reliability, efficient fault interruption capability, and reduced maintenance requirements. It provides engineers, electricians, and system integrators with a dependable solution for protecting equipment and maintaining the safe operation of industrial and commercial power networks.