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The WER32B-030 is a 32A B Curve High Immunity Type A RCBO, engineered for solar PV, battery storage, and EV-ready consumer units. It provides combined overload, short-circuit, and 30mA residual current protection with added immunity against nuisance tripping in inverter-heavy environments.
Built with double pole disconnection and bi-directional wiring, this RCBO ensures safe, compliant installs in line with the 18th Edition Wiring Regulations (Amendment 2).
Installer Tip: The B Curve profile is intended for general domestic and commercial loads with low inrush current. For EV chargers, motors, or heat pumps, the C Curve version is a better fit.
Key Features
- 32A B Curve Type A RCBO – overload + earth leakage protection
- High immunity design – resists false trips from harmonics
- 30mA sensitivity – regulation compliant
- 10kA breaking capacity – durable for residential and commercial use
- Double pole disconnection – isolates both live + neutral
- Bi-directional wiring – line/load reversible
- Meets BS EN 61009 and 18th Edition Amendment 2
Compare High Immunity RCBOs
| Model | Rating | Curve | Typical Use |
|---|---|---|---|
| WER06B-030 | 6A | B | Lighting and other low inrush final circuits |
| WER06C-030 | 6A | C | Low-rated circuits where higher inrush tolerance is preferred |
| WER16B-030 | 16A | B | General domestic final circuits with low inrush loads |
| WER16C-030 | 16A | C | Small motors and circuits with moderately higher inrush current |
| WER20B-030 | 20A | B | Domestic final circuits requiring a higher current rating |
| WER20C-030 | 20A | C | Circuits with moderately higher inrush current |
| WER32B-030 (This Product) | 32A | B | Ring finals and other standard appliance circuits |
| WER32C-030 | 32A | C | Higher demand circuits and loads with greater inrush current |
| WER40B-030 | 40A | B | Higher load circuits with lower inrush characteristics |
| WER40C-030 | 40A | C | Heavier-duty circuits with higher inrush conditions |
| WER63C-030 | 63A | C | Larger commercial or high-load applications |
