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The WPEPME12/LBK is an IP65-rated PME consumer unit combining PEN fault detection, adjustable load balancing, and an integrated kWh meter within a single enclosure. It is designed for consumer unit installations where supply capacity is limited and full compliance with BS 7671:2018 Amendment 2 is required.
By continuously monitoring supply voltage and current, the unit disconnects Live, Neutral, and Earth within 4–5 seconds if a PME or PEN fault is detected, removing the need for an earth rod. The integrated load management relay uses a split-core CT to prevent the EV charger overloading the incoming supply, making it particularly effective on properties running multiple high-demand electrical loads.
Installer Tip: Choose this model when you need PME protection + load management in one unit - particularly useful on single-phase supplies where upgrading the incoming capacity isn’t practical.
Key Features
- PME / PEN fault detection – disconnects Live, Neutral, and Earth within 4–5 seconds
- Integrated load balancing relay – adjustable from 10A to 110A via CT clamp
- Built-in kWh meter – allows monitoring of EV charging energy usage
- 40A Type A RCBO or 100A Main Switch variants – flexible protection options
- IP65-rated enclosure – weatherproof for outdoor installations
- No earth rod required – fully compliant with Amendment 2 PME rules
- Supplied pre-wired for fast, consistent installation
- Manufactured in compliance with BS EN 61439-3 and BS 7671:2018 A2
Compare PME Consumer Unit Variants
| Model | Breaker | Protection & Features | Enclosure |
|---|---|---|---|
| WPEPME12/LBK (This Product) | 40A RCBO / 100A Main Switch | PME + Load Balancing + kWh Meter | IP65 Plastic |
| WPEPME08/C40 | 40A RCBO (C Curve, Type A) | PME Fault Detection | IP65 Plastic |
| WPEPME08/SP | 40A RCBO (C Curve, Type A) | PME + Type 2 SPD | IP65 Plastic |
| WPKPME08/C40 | 40A MCB | PME Fault Detection | IP65 Plastic |
| WPKPME08/SP | 40A MCB | PME + Type 2 SPD | IP65 Plastic |
