Chint NM8-125S-4P-100A 100A 4 pole thermal magnetic moulded case circuit breaker with adjustable protection and 50kA breaking capacity for industrial power distribution.
£245.03
The Chint NM8-125S-4P-100A is a high-performance 4 pole moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage power distribution systems. Manufactured by Chint, this thermal magnetic MCCB delivers reliable protection against overloads and short circuits, making it ideal for industrial, commercial and OEM electrical installations.
Featuring an adjustable thermal magnetic trip unit, the NM8-125S-4P-100A allows engineers to fine tune protection settings to suit individual applications while maintaining excellent fault protection. Its compact design, robust construction and compliance with IEC 60947-2 ensure dependable long-term operation in demanding environments.
With a 100A rated current, 4 pole configuration and 50kA breaking capacity, this MCCB is suitable for protecting incoming supplies, distribution panels, machinery, switchboards and motor control systems where reliable circuit protection is essential.
The Chint NM8 Series has been developed to safeguard electrical distribution systems against overload and short circuit faults while providing dependable switching and isolation. Adjustable trip settings enable improved coordination with downstream protection devices, helping minimise unnecessary interruptions.
Its compact construction and high fault interruption capability make the NM8-125S-4P-100A suitable for industrial control panels, commercial buildings, manufacturing facilities and OEM machinery requiring dependable electrical protection.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Chint |
| Series | NM8 |
| Model | NM8-125S-4P-100A |
| Product type | Moulded Case Circuit Breaker (MCCB) |
| Rated current | 100A |
| Number of poles | 4 |
| Trip unit | Adjustable thermal magnetic |
| Rated operational voltage | Up to 690V AC |
| Rated insulation voltage | 800V |
| Frequency | 50 / 60Hz |
| Breaking capacity | 50kA |
| Standard | IEC 60947-2 |
| Mounting | Fixed panel mounting |
It provides overload and short circuit protection for low voltage power distribution systems in industrial and commercial installations.
This MCCB has a 100A rated current.
The 4 pole version protects all live conductors and is commonly used on three phase systems with a neutral conductor.
Yes. The NM8-125S-4P-100A features an adjustable thermal magnetic trip unit to allow protection settings to be matched to the application.
It is commonly installed within switchboards, electrical distribution panels, motor control centres and industrial control cabinets.
Chint NM8 moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers for dependable overload and short circuit protection in demanding electrical distribution applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...