Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Chint NL1-100-4100/100 RCD – 4P – 100A – 100mA
Chint NL1-100-4100/100 4 pole 100A 100mA residual current device providing dependable earth leakage protection for commercial and industrial electrical installations.
£40.14
Why Choose the Chint NL1-100-4100/100 Residual Current Device?
The Chint NL1-100-4100/100 is a high-quality 4 pole Residual Current Device (RCD) designed to provide dependable protection against earth leakage faults in commercial, industrial and three-phase electrical installations. As part of the trusted Chint NL1 RCCB series, it delivers reliable residual current protection to help reduce the risk of electric shock and electrical fires.
Designed for use alongside suitable overcurrent protection devices, the NL1-100-4100/100 continuously monitors residual current and disconnects the supply whenever a leakage fault is detected. Its robust construction, DIN rail mounting and compliance with IEC standards make it an ideal choice for modern distribution boards and electrical control systems.
With a 100A rated current, 100mA residual operating current and 400V AC four-pole configuration, this Chint RCD is suitable for protecting three-phase circuits used throughout commercial buildings, industrial machinery and power distribution applications.
Key Advantages
- Reliable 4 pole residual current protection for three-phase installations.
- 100A rated current suitable for larger electrical systems.
- 100mA earth leakage sensitivity for indirect contact and fire protection.
- Fast automatic disconnection during earth fault conditions.
- Compact DIN rail mounting for quick installation.
- Manufactured by Chint for dependable long-term performance.
Key Features
- Chint NL1 Series RCCB.
- 100A rated current (In).
- 100mA residual operating current (IΔn).
- Four pole (4P) configuration.
- 400V AC three-phase operation.
- Residual current protection without overcurrent protection.
- 35mm DIN rail mounting.
- Designed for residential, commercial and industrial electrical installations.
Reliable Earth Leakage Protection
Residual Current Devices continually monitor the balance between live conductors and automatically disconnect the electrical supply whenever earth leakage is detected. This provides effective protection against electric shock and helps minimise the risk of fire caused by insulation faults.
The Chint NL1 range offers dependable protection for modern electrical installations and is widely specified for distribution boards, commercial premises, industrial control panels and three-phase power systems where reliable residual current protection is essential.
Typical Applications
- Commercial distribution boards.
- Industrial electrical installations.
- Three-phase power distribution systems.
- Control panels and switchboards.
- Manufacturing facilities.
- General electrical protection systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 100 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | RCD | |
| Residual Current | 100 mA | |
| Manufacturer | Chint | |
| Series | NL1 | |
| Model | NL1-100-4100/100 | |
| Product type | Residual Current Device (RCD / RCCB) | |
| Rated current | 100A | |
| Residual operating current | 100mA | |
| Number of poles | 4 Pole | |
| Rated voltage | 400V AC | |
| Frequency | 50/60Hz | |
| Rated insulation voltage | 500V | |
| Impulse withstand voltage | 4kV | |
| Short circuit rating | 6kA (conditional) | |
| Protection rating | IP20 | |
| Mounting | 35mm DIN rail | |
| Standard | IEC/EN 61008-1 |
Frequently Asked Questions
What is the Chint NL1-100-4100/100 used for?
It provides residual current protection by disconnecting electrical circuits when earth leakage faults are detected, helping protect people and electrical installations.
Does this device provide overload protection?
No. The NL1-100-4100/100 is an RCCB and must be installed alongside a suitable MCB or MCCB to provide overload and short circuit protection.
What is the rated current?
This model has a rated current of 100A.
What does the 100mA sensitivity mean?
The 100mA residual operating current provides protection against indirect contact and helps reduce fire risks caused by earth leakage faults.
Where is this RCD typically installed?
It is commonly installed on DIN rails within commercial distribution boards, industrial control panels and three-phase electrical installations.
Trusted by Electrical Professionals Worldwide
Chint NL1 Residual Current Devices are trusted by electricians, panel builders and industrial engineers for dependable earth leakage protection, reliable operation and compliance with recognised international standards.
