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The WMEV220B is a 2-way A-Type RCBO EV Kit fitted with a 20 A B-curve high-immunity Type A RCBO. It delivers overload, short-circuit and earth-leakage protection (30 mA AC + 6 mA DC) in line with 18th Edition Amendment 2, making it ideal for modern EV charger installations requiring reliable dual-pole isolation.
This variant is perfect for domestic or light-commercial EV chargers drawing around 4 – 5 kW, where a standard B-curve device provides stable protection without nuisance trips. It arrives pre-assembled in a compact 2-way steel enclosure ready for immediate fit-out and testing.
Installer Tip: Use a 20 A B-curve kit for chargers drawing up to ≈ 4.6 kW (20 A continuous). If the charger spec notes transformer input or high inrush, switch to a C-curve variant for better surge immunity.
- 20 A B-curve Type A RCBO with 30 mA AC + 6 mA DC detection
- Dual-pole (1P + N) isolation for safe EV maintenance
- Pre-fitted and factory tested in a 2-way steel enclosure
- High-immunity design reduces nuisance tripping on EV loads
- Complies with BS EN 61009-1 and BS 7671 (A2)
| Part Code | Rating | Curve | Typical Use |
|---|---|---|---|
| WMEV216B | 16 A | B | Standard 3.6 kW chargers |
| WMEV220B | 20 A | B | Higher-load EV circuits (≈ 4.6 kW) |
| WMEV225B | 25 A | B | Commercial or shared-supply installations |
Each kit combines Type A RCBO protection with a durable steel enclosure for safe, regulation-ready installations. For PEN fault and load balancing compliance, add our PME Fault Detection Unit. For surge defence, fit a Single Module SPD.
