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The WMEV332B is a compact 3-way EV RCBO enclosure designed to provide both earth leakage and overload protection for single-phase EV charging circuits. Fitted with a 32A Type A High Immunity RCBO (Type B curve), it offers full compliance with BS 7671:2018 Amendment 2 and delivers dependable protection against AC, pulsating DC, and 6mA smooth DC leakage.

Built for installers who demand clarity and compliance, this enclosure combines Type A RCBO protection with a durable metal body and a compact footprint — perfect for indoor EV installations where space and simplicity matter. It’s preconfigured for PME-ready installs and can be paired with surge protection or PEN fault detection units as required.

Installer Tip: Confirm the EV charger manufacturer’s curve requirements before ordering. Some chargers require Type C curves to accommodate higher inrush currents from onboard rectifiers.

  • Supplied with a 32A Type A High Immunity RCBO (B curve)
  • Detects AC, pulsating DC, and 6 mA smooth DC leakage
  • Provides dual overload + residual current protection
  • 3-module IP40 metal enclosure – compact and installer-friendly
  • Supports PME and surge-protected configurations
  • Built to order – typically dispatched within 3 working days
Part Code Description RCBO Rating Trip Curve
WMEV332B 3 Way EV RCBO Enclosure – Type A High Immunity 32A Type B 32 A B
WMEV332C 3 Way EV RCBO Enclosure – Type A High Immunity 32A Type C 32 A C
WMEV340B 3 Way EV RCBO Enclosure – Type A High Immunity 40A Type B 40 A B
WMEV340C 3 Way EV RCBO Enclosure – Type A High Immunity 40A Type C 40 A C

The WMEV332B delivers fast, compliant fault detection and overcurrent protection for single-phase EV supply circuits. Compact, regulation-ready, and built to last — it’s the ideal choice for installers who value reliability, safety, and ease of fit-out under the 18th Edition standards.

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