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nm8-125s-3p-50a chint 50a 3p adjustable thermal mccb
Chint NM8-125S-3P-50A moulded case circuit breaker with 50A rated current, 3-pole configuration, adjustable thermal magnetic protection and 50kA breaking capacity for low-voltage electrical distribution.
£89.13
Why Choose the Chint NM8-125S-3P-50A MCCB?
The Chint NM8-125S-3P-50A is a dependable moulded case circuit breaker (MCCB) engineered to provide reliable overload and short circuit protection for low-voltage electrical distribution systems. As part of the proven Chint NM8 series, it delivers excellent performance in commercial, industrial and OEM applications where dependable circuit protection and safe isolation are essential.
Featuring an adjustable thermal magnetic trip unit, the NM8-125S-3P-50A combines thermal overload protection with instantaneous magnetic short circuit protection. The adjustable overload setting enables engineers and panel builders to optimise protection for connected equipment, cable sizes and installation requirements, improving flexibility whilst maintaining reliable fault protection.
With a 50 A rated current, 3-pole configuration and 50 kA breaking capacity, the NM8-125S-3P-50A is ideal for three-phase power distribution systems, industrial switchboards, machinery, motor control centres and commercial electrical installations.
Key Advantages
- Reliable moulded case circuit breaker for low-voltage protection.
- 50 A rated current for commercial and industrial circuits.
- 3-pole configuration for three-phase electrical systems.
- 50 kA short circuit breaking capacity.
- Adjustable thermal magnetic trip unit for flexible protection.
- Provides dependable overload and short circuit protection.
- Compact construction for electrical panels and switchboards.
Key Features
- Chint NM8 series MCCB.
- 50 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 power distribution.
- Panel and switchboard mounting.
Reliable MCCB Protection for Electrical Distribution
The Chint NM8-125S-3P-50A protects electrical circuits by disconnecting the supply during overload or short circuit conditions. This helps safeguard cables, switchgear and connected equipment whilst improving the reliability and safety of low-voltage electrical installations.
Its compact dimensions, adjustable protection characteristics and high interrupting capacity make it an excellent choice for panel builders, electrical contractors and maintenance engineers working across a wide range of commercial and industrial applications.
Typical Applications
- Three-phase distribution boards.
- Industrial control panels.
- Motor control centres.
- Commercial electrical installations.
- Manufacturing and production facilities.
- OEM machinery and automation equipment.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 50 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | Chint | |
| Series | NM8 | |
| Model | NM8-125S-3P-50A | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 50 A | |
| Number of poles | 3 Pole | |
| Trip unit | Adjustable thermal magnetic | |
| Breaking capacity | 50 kA | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage | 800 V | |
| Rated impulse withstand voltage | 8 kV | |
| Frequency | 50 / 60 Hz | |
| Protection functions | Overload and short circuit protection | |
| Mounting type | Panel / switchboard mounting | |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the Chint NM8-125S-3P-50A used for?
It protects three-phase low-voltage electrical circuits against overloads and short circuits in commercial and industrial applications.
What is the rated current of this MCCB?
The NM8-125S-3P-50A has a 50 A rated current.
How many poles does this breaker have?
This breaker has a 3-pole configuration suitable for three-phase electrical systems.
What breaking capacity does this MCCB provide?
The NM8-125S-3P-50A provides a 50 kA short circuit breaking capacity.
What type of trip unit does this breaker use?
It features an adjustable thermal magnetic trip unit providing overload and instantaneous short circuit protection.
Trusted by Electrical Professionals Worldwide
Chint NM8 moulded case circuit breakers are trusted by electrical engineers, contractors and panel builders to provide dependable protection for low-voltage commercial and industrial power distribution systems.
