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WEV240B-030 is a 40A 30mA Type B RCD designed for applications where smooth DC residual currents and higher-frequency AC residual currents may be present. Suitable for EV charger installations, solar PV systems, UPS systems and frequency converters, it provides broader protection than conventional RCD types.
Where a standard RCD is not sufficient, this Type B device provides the broader leakage detection needed for inverter-driven and specialist electrical applications. Its compact 2 pole format makes it suitable for integration into compatible distribution boards where Type B protection is required.
Installer Tip: Always check whether the equipment manufacturer specifies a Type B device before installing a Type A alternative on EV or inverter-led circuits.
Key Features
- 2 Pole Type B RCD – WEV240B-030
- 40A rated current
- 30mA sensitivity
- Provides protection against DC residual fault currents
- Detects AC residual fault currents up to 1000Hz
- Suitable for EV, RV, solar, UPS, and frequency converter applications
- Dimensions: 54 x 87 x 79.5mm
Also see: Type B RCBOs for combined overload and residual current protection, or PME fault detection units for EV installations on TN-C-S supplies.
Other Type B RCDs in the Range
| Model | Configuration | Best For |
|---|---|---|
| WEV240B-030 | 2 Pole • 40A • 30mA Type B RCD | Domestic EV chargers, solar PV and inverter-driven systems |
| WEV263B-030 | 2 Pole • 63A • 30mA Type B RCD | Higher-current single-phase EV, solar PV and renewable installations |
| WEV463B-030 | 4 Pole • 63A • 30mA Type B RCD | Three-phase EV chargers, solar PV systems and commercial installations |
