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Chint NM8L-125S-3P-50A-X1-T1 RCD – 3P – 50A
Chint NM8L-125S-3P-50A-X1-T1 50A 3-pole moulded case circuit breaker with integrated residual current protection for overload, short-circuit and earth leakage protection.
Why Choose the Chint NM8L-125S-3P-50A-X1-T1 MCCB with RCD?
The Chint NM8L-125S-3P-50A-X1-T1 is a high-performance 3-pole moulded case circuit breaker (MCCB) with integrated residual current protection (RCD), designed to safeguard low-voltage electrical installations against overloads, short circuits and earth leakage faults. Combining multiple protection functions within a single device, it provides an efficient and reliable solution for industrial, commercial and OEM applications.
As part of the Chint NM8L series, this breaker incorporates an adjustable thermal magnetic trip unit together with residual current protection, helping improve both equipment protection and personnel safety. Its compact design simplifies installation whilst reducing panel space compared with separate protection devices.
With a rated current of 50 A and a 3-pole configuration, the NM8L-125S-3P-50A-X1-T1 is ideal for three-phase power distribution, machinery, motor control centres and industrial control panels where dependable protection and reliable operation are essential.
Key Advantages
- Combines MCCB and RCD protection within one compact device.
- 50 A rated current for three-phase distribution systems.
- 3-pole configuration for industrial power applications.
- Adjustable thermal magnetic trip characteristics.
- Integrated residual current protection improves personnel safety.
- Suitable for commercial, industrial and OEM electrical installations.
Key Features
- Chint NM8L series MCCB with integrated RCD.
- 50 A rated current.
- 3-pole construction.
- Adjustable thermal magnetic protection.
- Integrated residual current module.
- Protection against overloads, short circuits and earth leakage.
- Panel-mounted design for low-voltage distribution systems.
- Manufactured to IEC 60947-2 requirements.
Reliable Circuit and Earth Leakage Protection
The NM8L series provides comprehensive protection by combining moulded case circuit breaker technology with integrated residual current detection. This enables the device to disconnect circuits quickly during overload, short-circuit or earth leakage conditions, helping minimise equipment damage and improve operator safety.
Its compact construction makes it particularly suitable for modern switchboards and control panels where space efficiency and dependable protection are equally important.
Typical Applications
- Industrial power distribution.
- Motor control centres.
- Commercial electrical installations.
- Machine control panels.
- OEM switchboards.
- Three-phase machinery and automation systems.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Trip Unit | Thermal-magnetic | |
| Application | Power distribution | |
| Device Type | MCCB + RCD | |
| Current | 50 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-125S-3P-50A-X1-T1 | |
| Product type | MCCB with RCD / ELCB | |
| Rated current | 50 A | |
| Number of poles | 3 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 mounting | |
| Standards | IEC 60947-2 |
Frequently Asked Questions
What is the Chint NM8L-125S-3P-50A-X1-T1 used for?
It provides overload, short-circuit and residual current protection for three-phase low-voltage electrical installations.
What current rating does this breaker have?
The breaker has a rated current of 50 A.
Does this MCCB include residual current protection?
Yes. It incorporates an integrated RCD module to provide protection against earth leakage faults.
How many poles does this breaker have?
This model has a 3-pole configuration for three-phase electrical systems.
Where is the NM8L-125S-3P-50A-X1-T1 commonly installed?
It is commonly installed in industrial switchboards, distribution panels, motor control centres and OEM machinery.
Trusted by Electrical Professionals Worldwide
Chint NM8L circuit breakers with integrated residual current protection are trusted by electrical contractors, panel builders and industrial engineers for dependable protection, compact installation and reliable performance across demanding low-voltage applications.
