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Chint NM8L-125S-4P-50A-X1-T1 RCD – 4P – 50A
Chint NM8L-125S-4P-50A-X1-T1 50A 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-50A-X1-T1 MCCB with RCD?
The Chint NM8L-125S-4P-50A-X1-T1 is a dependable 4-pole moulded case circuit breaker (MCCB) with integrated residual current protection (RCD), designed to protect low-voltage electrical systems against overloads, short circuits and earth leakage faults. By combining moulded case circuit breaker protection with residual current monitoring in a single device, it provides a compact and efficient solution for commercial, industrial and OEM electrical installations.
As part of the Chint NM8L series, this breaker incorporates an adjustable thermal magnetic trip unit together with integrated residual current protection. Its 4-pole construction allows complete isolation of three-phase and neutral conductors, making it ideal for applications where enhanced safety and reliable circuit protection are essential.
With a rated current of 50 A and a 4-pole configuration, the NM8L-125S-4P-50A-X1-T1 is well suited to distribution boards, motor control centres, machinery panels and industrial switchboards requiring dependable protection and earth leakage detection.
Key Advantages
- Combines MCCB and RCD protection in one compact device.
- 50 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 improves safety against earth leakage.
- Suitable for industrial, commercial and OEM electrical applications.
Key Features
- Chint NM8L series MCCB with integrated RCD.
- 50 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.
- Manufactured in accordance with IEC 60947-2.
Reliable Circuit and Earth Leakage Protection
The NM8L series combines moulded case circuit breaker technology with integrated residual current protection, enabling rapid disconnection during overload, short-circuit and earth leakage conditions. This helps minimise equipment damage, improve operator safety and reduce downtime across critical electrical installations.
Its compact construction makes the NM8L-125S-4P-50A-X1-T1 particularly suitable for modern switchboards and control panels where dependable protection, efficient use of space and straightforward installation are equally important.
Typical Applications
- Three-phase and neutral distribution boards.
- Industrial control panels.
- 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 | 50 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-125S-4P-50A-X1-T1 | |
| Product type | MCCB with RCD / ELCB | |
| Rated current | 50 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 mounting | |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the Chint NM8L-125S-4P-50A-X1-T1 used for?
It provides 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 breaker has a rated current of 50 A.
Does this MCCB include residual current protection?
Yes. It incorporates an integrated RCD module to detect earth leakage currents 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-50A-X1-T1 commonly installed?
It is commonly installed in industrial switchboards, distribution panels, control cabinets, 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.
