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The WRB120C-030 High Immunity Type A Mini RCBO is a 20A C Curve protective device designed for circuits with higher inrush currents. Compact at just 18mm wide, it combines short-circuit, overload, and residual current protection in one unit. With 30mA Type A sensitivity and high immunity performance, it’s ideal for EV chargers, pumps, small motors, and commercial appliances where nuisance tripping needs to be avoided.
Installer Tip: Choose the 20A C Curve when circuits involve pumps, motors, or EV chargers with high start-up currents. For standard domestic sockets and lighting, see the 20A B Curve variant.
Key Features
- 20A rated current – protects medium-load circuits
- C Curve tripping – handles higher inrush currents
- Type A sensitivity – detects AC + pulsating DC leakage
- High immunity design – prevents nuisance trips
- 18mm single-module width – saves space in consumer units
- Switched live & neutral – full circuit isolation
- Bi-directional – suitable for PV and EV applications
Compare Mini RCBO Variants
| Model | Rated Current | Curve | Type | Width |
|---|---|---|---|---|
| WRB120B-030 | 20A | B Curve | Type A, High Immunity | 18mm |
| WRB120C-030 (This Product) | 20A | C Curve | Type A, High Immunity | 18mm |
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