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nm8-250s-4p-200a chint 200a 4p adjustable thermal & magnetic mccb
Chint NM8-250S-4P-200A 200A 4 pole adjustable thermal-magnetic moulded case circuit breaker with 50 kA breaking capacity for industrial power distribution.
£191.79
Why Choose the Chint NM8-250S-4P-200A Moulded Case Circuit Breaker?
The Chint NM8-250S-4P-200A is a robust 4 pole moulded case circuit breaker (MCCB) engineered to provide dependable overload and short-circuit protection for industrial, commercial and power distribution applications. As part of the proven Chint NM8 Series, it combines excellent protection performance with reliable switching and isolation capabilities for demanding low-voltage installations.
Equipped with an adjustable thermal-magnetic trip unit, the NM8-250S enables engineers to optimise protection settings for individual electrical systems. Its compact design, durable construction and high interrupting capacity make it suitable for protecting switchboards, machinery, distribution panels and industrial control equipment.
With a 200 A rated current, 4 pole configuration and a 50 kA breaking capacity, the NM8-250S-4P-200A delivers reliable protection for three-phase electrical systems where operational safety and long service life are essential.
Key Advantages
- Industrial-grade 4 pole moulded case circuit breaker.
- 200 A rated current for medium and heavy-duty power distribution.
- Adjustable thermal and magnetic protection for application flexibility.
- 50 kA short-circuit breaking capacity for enhanced equipment protection.
- Suitable for switching, isolation and circuit protection.
- Designed for reliable long-term operation in demanding environments.
Key Features
- Chint NM8 Series MCCB.
- 200 A rated current.
- 4 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 distribution boards and switchgear.
Reliable Circuit Protection for Industrial Installations
The Chint NM8 Series has been developed to protect low-voltage electrical systems against overloads and short circuits while providing dependable switching and safe isolation. Adjustable protection settings allow engineers to tailor the breaker to suit individual installation requirements and improve system reliability.
Ideal for industrial plants, commercial buildings, manufacturing facilities and electrical distribution systems, the NM8-250S provides dependable performance where equipment protection and operational continuity are critical.
Typical Applications
- Main incoming distribution boards.
- Industrial switchgear assemblies.
- Motor control centres.
- Commercial electrical installations.
- Manufacturing and process machinery.
- Power distribution infrastructure.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 200 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | Chint | |
| Series | NM8 | |
| Model | NM8-250S-4P-200A | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 200 A | |
| Number of poles | 4 | |
| Trip unit | Adjustable thermal-magnetic | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage (Ui) | 800 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Breaking capacity | 50 kA | |
| Standard | IEC/EN 60947-2 | |
| Mounting type | Fixed | |
| Frame size | NM8-250S |
Frequently Asked Questions
What is the Chint NM8-250S-4P-200A used for?
It protects electrical circuits against overloads and short circuits while providing safe isolation in commercial and industrial power distribution systems.
What is the rated current of this MCCB?
The breaker has a rated current of 200 A.
How many poles does this circuit breaker have?
This model features a 4 pole design, making it suitable for three-phase systems with a neutral conductor.
Does this breaker have adjustable protection settings?
Yes. The integrated thermal-magnetic trip unit allows the overload protection to be adjusted to suit the application.
Which standards does the NM8-250S comply with?
The NM8 Series is manufactured in accordance with IEC/EN 60947-2 for low-voltage moulded case circuit breakers.
Trusted by Electrical Professionals Worldwide
Chint NM8 moulded case circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for reliable protection of low-voltage power distribution systems.
