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Chint NM8L-250S-4P-200A-X1-T1 RCD – 4P – 200A
Chint NM8L-250S-4P-200A-X1-T1 200A 4 pole MCCB with integrated residual current protection for commercial and industrial low voltage power distribution systems.
Why Choose the Chint NM8L-250S-4P-200A-X1-T1 MCCB with Residual Current Protection?
The Chint NM8L-250S-4P-200A-X1-T1 is a robust moulded case circuit breaker (MCCB) with integrated residual current protection, designed to protect low voltage electrical installations against overloads, short circuits and earth leakage faults. Combining MCCB and RCD functionality in one unit, it provides reliable protection for industrial, commercial and infrastructure power distribution systems.
As part of the Chint NM8L Series, this breaker is engineered for dependable operation in demanding electrical environments. Its adjustable thermal magnetic protection and residual current functionality help improve system safety, reduce installation complexity and support effective fault protection across distribution boards and switchgear assemblies.
With a 200A rated current and 4-pole configuration, the NM8L-250S-4P-200A-X1-T1 is suitable for three-phase electrical systems where neutral switching is required. It is ideal for use in commercial panels, industrial switchboards, machinery supplies and building services installations requiring dependable MCCB and RCD protection.
Key Advantages
- Combined MCCB and residual current protection in one compact device.
- 200A rated current for commercial and industrial distribution systems.
- 4-pole configuration suitable for three-phase and neutral protection.
- Adjustable thermal magnetic trip unit for overload and short-circuit protection.
- Integrated earth leakage protection to improve electrical safety.
- Designed for dependable operation in low voltage power distribution applications.
Key Features
- Chint NM8L Series ELCB / MCCB with RCD protection.
- 200A rated current.
- 4-pole design.
- Adjustable thermal magnetic protection.
- Integrated residual current protection.
- Suitable for low voltage AC distribution systems.
- Fixed mounting for switchboards and distribution panels.
- Designed for industrial and commercial electrical protection.
Reliable Power Protection for Low Voltage Installations
The Chint NM8L-250S-4P-200A-X1-T1 helps safeguard electrical systems by disconnecting circuits during overload, short-circuit or earth leakage fault conditions. This supports both equipment protection and personnel safety in demanding commercial and industrial environments.
Its 4-pole design makes it particularly useful where neutral isolation is required alongside phase protection. The integrated RCD function also reduces the need for separate residual current devices, helping simplify panel layouts while maintaining effective fault detection.
Typical Applications
- Industrial switchboards and distribution panels.
- Commercial building electrical systems.
- Three-phase power distribution with neutral switching.
- Machinery and production equipment supplies.
- Infrastructure and utilities installations.
- Control panels requiring MCCB and RCD protection.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Trip Unit | Thermal-magnetic | |
| Application | Power distribution | |
| Device Type | MCCB + RCD | |
| Current | 200 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-250S-4P-200A-X1-T1 | |
| Product type | MCCB with integrated residual current protection | |
| Rated current | 200A | |
| Frame size | 250S | |
| Number of poles | 4 Pole | |
| Trip unit | Adjustable thermal magnetic with RCD | |
| Protection functions | Overload, short circuit and earth leakage protection | |
| Rated operational voltage | Low voltage AC distribution systems | |
| Mounting type | Fixed installation | |
| Application | Power protection and distribution |
Frequently Asked Questions
What is the Chint NM8L-250S-4P-200A-X1-T1 used for?
It is used to provide overload, short-circuit and residual current protection in low voltage industrial and commercial power distribution systems.
What is the rated current of this breaker?
The Chint NM8L-250S-4P-200A-X1-T1 has a 200A rated current.
How many poles does this MCCB have?
This model is a 4-pole MCCB, making it suitable for applications where phase and neutral switching is required.
Does this breaker include residual current protection?
Yes. It includes integrated residual current protection to help detect earth leakage faults and improve electrical safety.
Where is this breaker typically installed?
It is typically installed in switchboards, distribution panels and control panels within commercial, industrial and infrastructure electrical systems.
Trusted by Electrical Professionals Worldwide
Chint NM8L MCCBs with residual current protection are trusted by panel builders, contractors and electrical engineers for reliable low voltage protection, practical installation and dependable operation in demanding distribution applications.
