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Chint NM8L-250S-3P-250A-X1-T1 RCD – 3P – 250A – 50kA
Chint NM8L-250S-3P-250A-X1-T1 250A 3 pole moulded case circuit breaker with integrated residual current protection for industrial and commercial power distribution.
Why Choose the Chint NM8L-250S-3P-250A-X1-T1 MCCB with Residual Current Protection?
The Chint NM8L-250S-3P-250A-X1-T1 is a high-performance moulded case circuit breaker (MCCB) with integrated residual current protection (RCD/ELCB), providing dependable protection against overloads, short circuits and earth leakage faults in low voltage electrical distribution systems. Designed for demanding industrial and commercial installations, it combines circuit protection and earth leakage monitoring within a single compact device.
As part of the proven Chint NM8L Series, this breaker offers adjustable protection settings, excellent breaking performance and reliable operation for power distribution applications. The integrated residual current protection enhances personnel safety while helping to protect valuable electrical equipment from earth fault conditions.
With a 250A rated current, 3-pole configuration and 50kA breaking capacity, the NM8L-250S-3P-250A-X1-T1 is well suited to industrial distribution boards, manufacturing facilities, commercial buildings, switchboards and infrastructure projects where reliable protection and operational continuity are essential.
Key Advantages
- Combines MCCB and residual current protection within one device.
- 250A rated current for demanding power distribution applications.
- 50kA short-circuit breaking capacity for dependable fault protection.
- Provides protection against overload, short circuit and earth leakage faults.
- Adjustable protection settings for greater installation flexibility.
- Suitable for industrial, commercial and infrastructure electrical systems.
Key Features
- Chint NM8L Series MCCB with integrated RCD functionality.
- 250A rated current.
- 3-pole design.
- 50kA breaking capacity.
- Integrated earth leakage protection.
- Thermal and magnetic overload protection.
- Adjustable trip settings for enhanced system coordination.
- Designed to IEC/EN 60947-2 standards.
Reliable Protection for Industrial Power Distribution
The Chint NM8L Series is engineered to provide comprehensive electrical protection in demanding environments. By combining a moulded case circuit breaker with integrated residual current protection, the NM8L reduces installation complexity while improving electrical safety for personnel and equipment.
Its adjustable protection characteristics and high interrupting capacity make it suitable for protecting feeders, distribution panels, switchboards and large electrical installations where dependable fault clearance and operational reliability are essential.
Typical Applications
- Industrial power distribution systems.
- Commercial electrical installations.
- Main distribution boards.
- Manufacturing facilities.
- Infrastructure and utilities.
- Machine power supplies and control panels.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Device Type | MCCB + RCD | |
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Breaking Capacity | 50 kA | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-250S-3P-250A-X1-T1 | |
| Product type | MCCB with integrated residual current protection | |
| Rated current | 250A | |
| Number of poles | 3 Pole | |
| Rated operational voltage | Up to 690V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 50kA | |
| Protection functions | Overload, short circuit and earth leakage protection | |
| Mounting type | Fixed installation | |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the Chint NM8L-250S-3P-250A-X1-T1 used for?
It provides combined overload, short circuit and residual current protection for industrial and commercial low voltage power distribution systems.
What is the current rating of this breaker?
This model has a 250A rated current.
How many poles does this MCCB have?
The NM8L-250S-3P-250A-X1-T1 is a 3-pole moulded case circuit breaker.
Does this breaker include earth leakage protection?
Yes. It incorporates integrated residual current protection to detect earth leakage faults and improve electrical safety.
Where is this breaker typically installed?
It is commonly installed within industrial switchboards, commercial distribution panels and large electrical installations requiring high-performance circuit protection.
Trusted by Electrical Professionals Worldwide
The Chint NM8L Series is trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, integrated residual current protection and long-term reliability in demanding low voltage installations.
