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Chint NM8L-125S-3P-20A-X1-T1 RCD – 3P – 20A
Chint NM8L-125S-3P-20A-X1-T1 20A 3-pole MCCB with integrated RCD protection, designed for overload, short-circuit and residual current protection in low-voltage power distribution systems.
Why Choose the Chint NM8L-125S-3P-20A-X1-T1 MCCB with RCD?
The Chint NM8L-125S-3P-20A-X1-T1 is a robust 3-pole MCCB with integrated RCD protection, designed for low-voltage power protection in commercial, industrial and OEM electrical installations. Combining moulded case circuit breaker protection with residual current protection, it helps protect circuits against overloads, short circuits and earth leakage faults.
As part of the Chint NM8L series, this breaker is suitable for applications where both overcurrent and residual current protection are required within a compact device. Its adjustable thermal magnetic protection supports practical circuit coordination, whilst the residual current function helps improve personnel safety and reduce the risk of electrical fire caused by earth leakage currents.
With a rated current of 20 A and a 3-pole configuration, the NM8L-125S-3P-20A-X1-T1 is ideal for three-phase distribution circuits, machinery panels, motor control systems and general power protection where dependable disconnection and safe operation are essential.
Key Advantages
- Combines MCCB and RCD protection in one compact device.
- 20 A rated current for low-voltage distribution circuits.
- 3-pole design for three-phase electrical systems.
- Adjustable thermal magnetic protection for overload and short-circuit faults.
- Residual current protection helps improve safety against earth leakage.
- Suitable for commercial, industrial and OEM panel applications.
Key Features
- Chint NM8L series ELCB / MCCB with RCD.
- 20 A current rating.
- 3-pole configuration.
- Adjustable thermal magnetic trip unit.
- Integrated residual current protection module.
- Designed for AC low-voltage power distribution systems.
- Suitable for panel mounting in switchboards and control cabinets.
- Reliable Chint construction for demanding electrical installations.
Reliable MCCB and Earth Leakage Protection
MCCBs with integrated RCD protection provide a combined safety solution for electrical distribution systems. The MCCB element protects against overload and short-circuit faults, whilst the RCD function detects earth leakage currents and disconnects the circuit when required.
The Chint NM8L-125S-3P-20A-X1-T1 is designed for installations where reliable disconnection, equipment protection and personnel safety are all important. Its combined design reduces panel complexity and helps provide dependable protection for three-phase circuits.
Typical Applications
- Three-phase power distribution boards.
- Industrial control panels.
- Commercial electrical installations.
- Machinery and automation systems.
- Motor control and equipment protection.
- OEM electrical panel building.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Device Type | MCCB + RCD | |
| Current | 20 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Chint | |
| Series | NM8L | |
| Model | NM8L-125S-3P-20A-X1-T1 | |
| Product type | MCCB with RCD / ELCB | |
| Rated current | 20 A | |
| Number of poles | 3 Pole | |
| Frame size | 125S | |
| Trip unit type | Adjustable thermal magnetic with residual current protection | |
| Protection functions | Overload, short circuit and earth leakage protection | |
| Rated operating frequency | 50 / 60 Hz | |
| Mounting type | Panel / switchboard mounting | |
| Application | Low-voltage power protection |
Frequently Asked Questions
What is the Chint NM8L-125S-3P-20A-X1-T1 used for?
It is used to provide overload, short-circuit and residual current protection for three-phase low-voltage electrical circuits.
What current rating does this breaker have?
The NM8L-125S-3P-20A-X1-T1 has a rated current of 20 A.
Does this product include RCD protection?
Yes. It combines MCCB protection with integrated residual current protection for earth leakage fault detection.
How many poles does this MCCB have?
This model has a 3-pole configuration, making it suitable for three-phase circuits.
Where is this device typically installed?
It is typically installed in switchboards, distribution panels, control cabinets and OEM machinery panels.
Trusted by Electrical Professionals Worldwide
Chint NM8L MCCBs with RCD protection are used by contractors, panel builders and industrial engineers to provide dependable circuit protection, safer disconnection and reliable performance across low-voltage electrical installations.
