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Chint NB2LE-C20 RCBO – 1P+N – C Curve – Type AC – 20A – 30mA – 6kA
Chint NB2LE-C20 RCBO, a 20 A C curve 1P+N Type AC residual current circuit breaker with overcurrent protection for single-phase electrical installations.
£46.20
Why Choose the Chint NB2LE-C20 RCBO?
The Chint NB2LE-C20 is a compact and dependable Residual Current Circuit Breaker with Overcurrent Protection (RCBO) designed to protect single-phase electrical circuits against overloads, short circuits and earth leakage faults. It combines essential circuit protection functions in one DIN rail mounted device, helping improve safety while saving space inside distribution boards.
As part of the Chint NB2LE RCBO series, this device provides combined MCB and RCD functionality for modern residential, commercial and light industrial installations. Its compact format makes it ideal for consumer units, sub-distribution boards and control panels where reliable protection and efficient installation are required.
With a rated current of 20 A, C curve tripping characteristic and 1P+N configuration, the NB2LE-C20 is well suited to general-purpose circuits, socket outlets, lighting circuits and small inductive loads. It features Type AC residual current protection, a 30 mA residual operating current and a 6 kA breaking capacity for dependable circuit safety.
Key Advantages
- Compact RCBO providing overload, short circuit and earth leakage protection.
- 20 A rated current suitable for final circuits and general-purpose loads.
- C curve tripping characteristic for circuits with moderate inrush current.
- 1P+N configuration for single-phase electrical installations.
- Type AC residual current protection for standard AC leakage faults.
- 6 kA short circuit breaking capacity for reliable fault protection.
Key Features
- Chint NB2LE residual current operated circuit breaker series.
- 20 A rated current.
- C curve instantaneous tripping.
- 1 pole + neutral configuration.
- Rated voltage: 230/240 V AC.
- Rated residual operating current: 30 mA.
- Type AC leakage current protection.
- DIN rail mounting for consumer units and distribution boards.
Combined Protection for Single-Phase Circuits
RCBOs such as the Chint NB2LE-C20 combine residual current protection with overload and short circuit protection in a single device. This allows the circuit to disconnect rapidly when an electrical fault is detected, helping reduce the risk of electric shock, equipment damage and cable overheating.
The C curve characteristic makes this RCBO suitable for circuits with moderate inrush currents, including socket outlets, lighting circuits and small electrical loads. Its compact 1P+N design supports neat installation in modern electrical panels while maintaining reliable protection for everyday electrical distribution.
Typical Applications
- Residential consumer units and final circuits.
- Commercial distribution boards.
- Socket outlet circuits.
- Lighting circuits with moderate inrush current.
- Small office and retail electrical installations.
- Light industrial panels and equipment protection.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | RCBO | |
| Trip Curve | C curve | |
| Breaking Capacity | 6 kA | |
| Residual Current | 30 mA | |
| RCD Type | Type AC | |
| Manufacturer | Chint | |
| Series | NB2LE | |
| Model | NB2LE-C20 | |
| Product type | RCBO / residual current operated circuit breaker with overcurrent protection | |
| Rated current | 20 A | |
| Tripping curve | Type C | |
| Rated voltage | 230/240 V AC | |
| Frequency | 50 / 60 Hz | |
| Poles | 1P+N | |
| Residual current type | Type AC | |
| Rated residual operating current | 30 mA | |
| Rated short-circuit breaking capacity | 6 kA | |
| Standard | IEC/EN 61009-1 | |
| Mounting type | 35 mm DIN rail |
Frequently Asked Questions
What is the Chint NB2LE-C20 used for?
The Chint NB2LE-C20 is used to protect single-phase electrical circuits against overloads, short circuits and earth leakage faults.
What current rating does the NB2LE-C20 have?
This RCBO has a rated current of 20 A, making it suitable for a range of general-purpose final circuits.
What does C curve mean on this RCBO?
A C curve RCBO is designed for circuits with moderate inrush current, such as socket outlets, lighting circuits and small inductive loads.
What residual current protection type is this model?
The NB2LE-C20 is a Type AC RCBO designed to detect standard AC residual current faults.
How is the Chint NB2LE-C20 installed?
The device is designed for installation on a standard 35 mm DIN rail inside a consumer unit, distribution board or control panel.
Trusted Circuit Protection for Electrical Installations
Chint NB2LE RCBOs are widely used by electricians, contractors and panel builders for compact, dependable circuit protection across residential, commercial and light industrial electrical installations.
