Chint NM1TL-100/4/X1/T1 enclosed Earth Leakage Circuit Breaker with 100A rating, 4-pole configuration and adjustable earth leakage protection for industrial and commercial electrical distribution.
£987.17
The Chint NM1TL-100/4/X1/T1 is a high-performance enclosed Earth Leakage Circuit Breaker (ELCB) designed to provide dependable protection for low-voltage electrical distribution systems. Combining the proven performance of the Chint NM1 series with integrated earth leakage protection, it safeguards electrical installations against overloads, short circuits and earth fault currents in demanding commercial and industrial environments.
Engineered for reliability and ease of installation, the NM1TL series features an enclosed design that enhances safety while protecting internal components from accidental contact. Adjustable earth leakage sensitivity and time delay settings allow the device to be tailored to suit a wide range of electrical protection requirements, helping minimise nuisance tripping whilst maintaining personnel and equipment safety.
With a 100 A rated current, 4-pole configuration and adjustable 50 mA to 500 mA earth leakage protection, the NM1TL-100/4/X1/T1 is well suited to industrial distribution panels, commercial buildings, machinery installations and critical electrical infrastructure where dependable earth fault protection is essential.
The Chint NM1TL series combines moulded case circuit breaker technology with integrated earth leakage protection, delivering comprehensive electrical safety for power distribution systems. Adjustable protection settings enable engineers to optimise performance for different installation requirements while maintaining reliable protection against electrical faults.
Designed for industrial control panels, machinery, commercial premises and infrastructure projects, the NM1TL series provides dependable protection, straightforward installation and long-term operational reliability.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Chint |
| Series | NM1TL |
| Model | NM1TL-100/4/X1/T1 |
| Product type | Enclosed Earth Leakage Circuit Breaker (ELCB) |
| Rated current | 100 A |
| Number of poles | 4 Pole |
| Earth leakage sensitivity | Adjustable 50 mA to 500 mA |
| Time delay | Adjustable 0.1 s, 0.3 s, 0.5 s and 1 s |
| Rated operational voltage | Up to 690 V AC |
| Frequency | 50 / 60 Hz |
| Protection functions | Earth leakage, overload and short circuit |
| Mounting type | Panel mounting |
| Standard | IEC/EN 60947-2 |
It protects low-voltage electrical installations against overloads, short circuits and earth leakage faults in commercial and industrial applications.
The NM1TL-100/4/X1/T1 has a 100 A rated current.
The X1 version provides adjustable earth leakage sensitivity settings of 50 mA, 100 mA, 200 mA and 500 mA.
The T1 version provides adjustable trip delay settings of approximately 0.1, 0.3, 0.5 and 1 second to improve protection selectivity.
It is commonly installed within industrial control panels, switchboards and commercial electrical distribution systems requiring integrated earth leakage protection.
Chint NM1TL enclosed Earth Leakage Circuit Breakers provide dependable protection for industrial and commercial power distribution systems, delivering reliable earth fault detection alongside overload and short circuit protection.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...