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Chint NM8L-125S-4P-125A-X1-T1 RCD – 4P – 125A
Chint NM8L-125S-4P-125A-X1-T1 125A 4-pole moulded case circuit breaker with integrated residual current protection for overload, short-circuit and earth leakage protection.
Why Choose the Chint NM8L-125S-4P-125A-X1-T1 MCCB with RCD?
The Chint NM8L-125S-4P-125A-X1-T1 is a robust 4-pole moulded case circuit breaker (MCCB) with integrated residual current protection (RCD), designed to protect low-voltage electrical installations against overloads, short circuits and earth leakage faults. By combining MCCB and RCD functions within one compact device, it provides a reliable protection solution for industrial, commercial and OEM power distribution systems.
As part of the Chint NM8L series, this breaker features an adjustable thermal magnetic trip unit together with integrated residual current protection. Its 4-pole construction allows protection and isolation of three-phase and neutral conductors, making it suitable for installations where complete circuit disconnection and enhanced electrical safety are required.
With a rated current of 125 A and a 4-pole configuration, the NM8L-125S-4P-125A-X1-T1 is ideal for switchboards, distribution panels, machinery systems and motor control applications requiring dependable overcurrent and earth leakage protection.
Key Advantages
- Combines MCCB and RCD protection within one compact unit.
- 125 A rated current for low-voltage distribution systems.
- 4-pole configuration for three-phase and neutral installations.
- Adjustable thermal magnetic protection against overload and short-circuit faults.
- Integrated residual current protection helps improve safety against earth leakage.
- Suitable for industrial, commercial and OEM electrical applications.
Key Features
- Chint NM8L series MCCB with integrated RCD.
- 125 A rated current.
- 4-pole construction.
- Adjustable thermal magnetic trip unit.
- Integrated residual current protection module.
- Protection against overload, short circuit and earth leakage faults.
- Panel-mounted design for low-voltage power distribution.
- Designed for reliable operation in demanding electrical installations.
Reliable Circuit and Earth Leakage Protection
MCCBs with integrated residual current protection provide combined protection for electrical systems where both overcurrent protection and earth leakage fault detection are required. The MCCB section responds to overload and short-circuit faults, while the RCD function detects residual current faults and disconnects the circuit when required.
The Chint NM8L-125S-4P-125A-X1-T1 is well suited to modern switchboards and control panels where safety, reliability and efficient use of panel space are important. Its 4-pole design supports complete isolation for three-phase and neutral systems, helping deliver safer and more dependable electrical installations.
Typical Applications
- Three-phase and neutral distribution boards.
- Industrial switchboards.
- Commercial electrical installations.
- Motor control centres.
- Machinery and automation systems.
- OEM switchboards and panel building.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Trip Unit | Thermal-magnetic | |
| Application | Power distribution | |
| Device Type | MCCB + RCD | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-125S-4P-125A-X1-T1 | |
| Product type | MCCB with RCD / ELCB | |
| Rated current | 125 A | |
| Number of poles | 4 Pole | |
| Frame size | 125S | |
| Trip unit | Adjustable thermal magnetic with integrated RCD | |
| Rated frequency | 50 / 60 Hz | |
| Protection | Overload, short circuit and residual current | |
| Mounting type | Panel / switchboard mounting | |
| Application | Low-voltage circuit protection |
Frequently Asked Questions
What is the Chint NM8L-125S-4P-125A-X1-T1 used for?
It is used to provide overload, short-circuit and residual current protection for low-voltage electrical installations, particularly three-phase and neutral systems.
What current rating does this breaker have?
The NM8L-125S-4P-125A-X1-T1 has a rated current of 125 A.
Does this MCCB include residual current protection?
Yes. It includes integrated residual current protection to detect earth leakage faults and disconnect the circuit when required.
How many poles does this breaker have?
This model has a 4-pole configuration, making it suitable for three-phase and neutral electrical systems.
Where is the NM8L-125S-4P-125A-X1-T1 commonly installed?
It is commonly installed in distribution boards, industrial switchboards, control cabinets, motor control centres and OEM machinery panels.
Trusted by Electrical Professionals Worldwide
Chint NM8L circuit breakers with integrated residual current protection are trusted by contractors, panel builders and industrial engineers for dependable protection, safer disconnection and efficient low-voltage power distribution.
