Why Choose the Chint NM8-125S-3P-40A MCCB?
The Chint NM8-125S-3P-40A is a high-performance moulded case circuit breaker (MCCB) engineered to provide reliable protection against overloads and short circuits in low-voltage electrical distribution systems. As part of the proven Chint NM8 series, it delivers dependable performance for commercial, industrial and OEM applications where robust circuit protection is essential.
Equipped with an adjustable thermal magnetic trip unit, the NM8-125S-3P-40A combines thermal overload protection with instantaneous magnetic short circuit protection. The adjustable overload setting allows the breaker to be matched to cable capacities and connected equipment, improving protection coordination whilst maintaining installation flexibility.
With a 40 A rated current, 3-pole configuration and 50 kA breaking capacity, the NM8-125S-3P-40A is ideally suited to three-phase distribution boards, machinery, motor control centres and industrial switchboards requiring dependable MCCB protection.
Key Advantages
- Reliable moulded case circuit breaker for low-voltage protection.
- 40 A rated current for commercial and industrial electrical systems.
- 3-pole configuration for three-phase power distribution.
- 50 kA short circuit breaking capacity.
- Adjustable thermal magnetic trip unit for flexible protection.
- Provides dependable overload and short circuit protection.
- Compact design suitable for switchboards and control panels.
Key Features
- Chint NM8 series MCCB.
- 40 A rated current.
- 3-pole construction.
- 50 kA breaking capacity.
- Adjustable thermal magnetic protection.
- Suitable for AC 50 / 60 Hz systems.
- Designed for low-voltage electrical distribution.
- Panel and switchboard mounting.
Reliable MCCB Protection for Electrical Distribution
The Chint NM8-125S-3P-40A provides dependable protection for electrical circuits by disconnecting the supply during overload and short circuit conditions. This helps safeguard cables, switchgear and connected equipment whilst supporting the safe operation of industrial and commercial installations.
Its compact frame, adjustable protection characteristics and high interrupting capacity make it suitable for panel builders, electrical contractors and maintenance engineers working across a wide range of low-voltage distribution systems.
Typical Applications
- Three-phase distribution boards.
- Industrial control panels.
- Motor control centres.
- Commercial electrical installations.
- Manufacturing and production facilities.
- OEM machinery and automation equipment.
