Why Choose the Chint NM8-400S-3P-400A Moulded Case Circuit Breaker?
The Chint NM8-400S-3P-400A is a heavy-duty 3 pole moulded case circuit breaker (MCCB) engineered to provide reliable overload and short-circuit protection for industrial power distribution systems. As part of the dependable Chint NM8 Series, it combines robust construction with adjustable thermal-magnetic protection, making it ideal for demanding commercial and industrial applications.
Designed for use in switchboards, distribution panels and motor control systems, the NM8-400S delivers dependable protection while maintaining operational continuity. Its adjustable trip settings allow engineers to optimise protection for individual installations, helping minimise unnecessary downtime and improve system reliability.
With a 400 A rated current, 3 pole configuration and a 50 kA breaking capacity, the NM8-400S-3P-400A is suitable for protecting larger low-voltage electrical installations where dependable performance and safe isolation are essential.
Key Advantages
- Industrial-grade 3 pole moulded case circuit breaker.
- 400 A rated current for heavy-duty power distribution.
- Adjustable thermal-magnetic trip unit for flexible protection.
- 50 kA breaking capacity for reliable fault interruption.
- Suitable for switching, isolation and circuit protection.
- Designed for long service life in demanding industrial environments.
Key Features
- Chint NM8 Series MCCB.
- 400 A rated current.
- 3 pole configuration.
- Adjustable thermal-magnetic trip unit.
- 50 kA rated breaking capacity.
- Rated operational voltage up to 690 V AC.
- Suitable for isolation in accordance with IEC requirements.
- Fixed mounting for switchgear and distribution equipment.
Reliable Circuit Protection for Industrial Installations
The Chint NM8 Series is designed to safeguard low-voltage electrical systems against overloads and short circuits while providing dependable switching and isolation. The adjustable thermal-magnetic release enables the breaker to be configured for the protection requirements of a wide range of industrial applications.
Suitable for manufacturing facilities, commercial buildings, utilities and electrical infrastructure projects, the NM8-400S delivers reliable circuit protection where equipment safety and operational continuity are critical.
Typical Applications
- Main incoming distribution boards.
- Industrial switchgear assemblies.
- Motor control centres.
- Commercial electrical installations.
- Manufacturing and processing plants.
- Power distribution infrastructure.
