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nm8-125s-4p-125a chint 125a 4p adjustable thermal mccb
Chint NM8-125S-4P-125A 125A 4 pole adjustable thermal magnetic moulded case circuit breaker with 50kA breaking capacity for industrial and commercial power distribution.
£103.06
Why Choose the Chint NM8-125S-4P-125A Moulded Case Circuit Breaker?
The Chint NM8-125S-4P-125A is a robust and reliable 4 pole moulded case circuit breaker (MCCB) designed for low voltage power distribution, panel building and industrial circuit protection. As part of the Chint NM8 thermal magnetic MCCB range, it provides dependable protection against overloads and short circuits in commercial and industrial electrical systems.
This MCCB features an adjustable thermal magnetic trip unit, allowing protection settings to be matched to the requirements of the installation. Its 4 pole configuration makes it suitable for three phase systems with a neutral conductor, while the high breaking capacity supports use in demanding distribution environments.
With a rated current of 125A and a 50kA breaking capacity, the NM8-125S-4P-125A is ideal for switchboards, control panels, distribution boards, machinery supplies and main incomer protection. Its compact fixed mounting design supports straightforward integration into electrical panels and OEM systems.
Key Advantages
- 125A moulded case circuit breaker for industrial and commercial protection.
- 4 pole configuration suitable for three phase plus neutral systems.
- Adjustable thermal magnetic trip unit for flexible protection settings.
- 50kA breaking capacity for high fault level applications.
- Provides reliable overload and short circuit protection.
- Designed for switchboards, distribution panels and control cabinets.
Key Features
- Chint NM8 Series moulded case circuit breaker.
- 125A rated current.
- 4 pole MCCB construction.
- Thermal magnetic adjustable protection.
- 50kA short circuit breaking capacity.
- Suitable for overload and short circuit protection.
- Fixed mounting for electrical panels and switchboards.
- Designed for low voltage power distribution systems.
Reliable MCCB Protection for Power Distribution
Moulded case circuit breakers such as the Chint NM8-125S-4P-125A are used to protect electrical circuits from damaging fault currents. By combining overload and short circuit protection in a compact device, this MCCB helps improve safety, reduce downtime and protect connected equipment.
The adjustable trip characteristics allow engineers and panel builders to coordinate the breaker with downstream devices and connected loads. This makes the NM8-125S-4P-125A a practical choice for distribution boards, machinery panels and industrial installations requiring reliable low voltage protection.
Typical Applications
- Industrial switchboards and distribution boards.
- Main incomer circuit protection.
- Commercial electrical installations.
- Motor control centres and machinery panels.
- OEM control cabinets.
- Low voltage power distribution systems.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | Chint | |
| Series | NM8 | |
| Model | NM8-125S-4P-125A | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 125A | |
| Number of poles | 4 | |
| Trip unit | Adjustable thermal magnetic | |
| Breaking capacity | 50kA | |
| Rated operational voltage | Up to 690V AC | |
| Rated insulation voltage | 800V | |
| Frequency | 50 / 60Hz | |
| Protection type | Overload and short circuit protection | |
| Mounting type | Fixed panel mounting | |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the Chint NM8-125S-4P-125A used for?
It is used to provide overload and short circuit protection in low voltage industrial and commercial power distribution systems.
What is the rated current of this MCCB?
The Chint NM8-125S-4P-125A has a 125A rated current.
How many poles does this circuit breaker have?
This model has a 4 pole configuration, making it suitable for three phase systems with a neutral conductor.
Is the trip setting adjustable?
Yes. This MCCB uses an adjustable thermal magnetic trip unit to help match protection settings to the installation.
Where is this MCCB typically installed?
It is commonly installed in switchboards, distribution panels, motor control centres, control cabinets and industrial machinery systems.
Trusted by Panel Builders and Electrical Engineers
Chint NM8 moulded case circuit breakers are widely used by contractors, panel builders and industrial engineers for dependable circuit protection in demanding low voltage power distribution applications.
