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Pre-wired in the UK and tested before dispatch – allow up to 3 working days for shipping.
The WARB5100C/PME is a 3 phase PME fault detection unit for one compatible three-phase EV charge point. The base model combines a 5-pole 100A MCB with Whitecliffe’s PME monitoring and switching arrangement in a pre-wired IP40 enclosure.
This version does not include a factory-fitted RCBO or SPD. It is intended for designs where the necessary residual-current and surge protection are provided elsewhere in the completed installation.
Installer Tip: Confirm the EV charger’s residual-current requirements before selecting the base model. If local surge protection is required, compare the WARB5100C/PMESP.
Key Features
- For one three-phase EV charge point
- 5-pole 100A MCB with integrated PME relay arrangement
- 400/415V supply monitoring
- Linked disconnection of live, neutral and protective conductor
- Automatic under-voltage recovery and manual over-voltage reset
- No factory-fitted RCBO or SPD
How the PME Monitoring Works
The unit monitors the three-phase supply against the manufacturer’s stated voltage thresholds. If any phase falls below 207V or rises above 253V under the specified fault conditions, the linked switching arrangement disconnects live, neutral and the protective conductor.
Under-voltage recovery is automatic when the supply returns to the normal operating range. Following an over-voltage operation, the unit requires manual reset in accordance with the manufacturer’s instructions.
Final selection must be based on the charger, supply, fault level, earthing arrangement and required residual-current and surge protection. Installation and verification must be completed by a suitably qualified person to the current edition of BS 7671.
Compare 3 Phase PME Unit Variants
| Model | Factory-Fitted Devices | Best Fit |
|---|---|---|
| WARB5100C/PME (This Product) | 5-pole 100A MCB | PME monitoring |
| WARB5100C/PMESP | 5-pole 100A MCB | PME monitoring + Type 2 SPD |
| WARB5100C/PME40R | 5-pole 100A MCB + 40A RCBO | PME monitoring + RCBO |
| WARB5100C/PME40RSP | 5-pole 100A MCB + 40A RCBO | PME monitoring + RCBO + Type 2 SPD |
