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The WRB1 Range Type A Mini RCBO is a compact, high-immunity breaker that combines residual current and overload protection in a single 18mm module. Designed for both domestic and commercial installs, it detects AC and pulsating DC leakage, making it compliant with 18th Edition requirements for EV chargers, PV systems, and modern appliances.
This unit is available in a full range of 6A–40A ratings across both B and C curves, giving you the flexibility to choose exactly what your circuit needs:
- 6A, 10A, 16A, 20A, 25A, 32A, 40A
- B Curve or C Curve options
- High immunity design for reduced nuisance tripping
Each RCBO includes switched live and neutral for full isolation and is bi-directional, making it suitable for both EV and solar applications. For larger boards, see our High Immunity Type A RCBOs.
- Type A RCBO – detects AC + pulsating DC leakage
- High immunity – stable performance under harmonic-rich loads
- Single module width (18mm) for tight boards
- Switched live and neutral – isolates both conductors under fault
- Bi-directional – safe for PV and EV systems
- Complies with BS EN 61009-1
