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Pre-wired in the UK and tested before dispatch – allow up to 3 working days for shipping.
The WARB5100C/PME40R is a 3 phase PME fault detection unit with a 40A RCBO for one compatible three-phase EV charge point. It combines a 5-pole 100A MCB, PME monitoring and a factory-fitted 40A RCBO in a pre-wired IP40 enclosure.
This version adds residual-current and downstream overcurrent protection to the base configuration but does not include a factory-fitted SPD. The exact RCBO characteristics and charger compatibility must be checked against the supplied device and manufacturer documentation before installation.
Installer Tip: Use the 40R version where the verified charger design calls for the fitted 40A RCBO without local SPD protection. To add a Type 2 SPD, compare the WARB5100C/PME40RSP.
Key Features
- For one three-phase EV charge point
- 5-pole 100A MCB with integrated PME relay arrangement
- Factory-fitted 40A RCBO
- 400/415V supply monitoring
- Linked disconnection of live, neutral and protective conductor
- No factory-fitted 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 | 5-pole 100A MCB | PME monitoring |
| WARB5100C/PMESP | 5-pole 100A MCB | PME monitoring + Type 2 SPD |
| WARB5100C/PME40R (This Product) | 5-pole 100A MCB + 40A RCBO | PME monitoring + RCBO |
| WARB5100C/PME40RSP | 5-pole 100A MCB + 40A RCBO | PME monitoring + RCBO + Type 2 SPD |
