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Pre-wired in the UK and tested before dispatch – allow up to 3 working days for shipping.
The WPEPME12/LB is an IP65 PME consumer unit with load balancing for a single-phase EV charging circuit. It combines a 40A C Curve Type A RCBO, PME fault monitoring and an adjustable load-management relay in a weather-resistant plastic enclosure.
This model is designed for EV installations where the charger load needs to be managed against the available incoming supply. Unlike WMEPME12/LB, this SKU is not identified in Whitecliffe’s current product table as including a kWh meter.
Installer Tip: This is the IP65 load-balancing version without an integral kWh meter. For steel IP40 construction with metering, compare the WMEPME12/LB.
Key Features
- 40A C Curve Type A RCBO – overcurrent and Type A residual-current protection
- Adjustable load management – 10A to 110A setting range via CT monitoring
- PME fault monitoring – linked disconnection of line, neutral and protective conductor
- IP65 plastic enclosure – suitable for appropriately located indoor or outdoor installations
- Pre-wired and tested before dispatch
- No integral kWh meter stated for this exact LB model
How the Load Management Works
The load-management relay uses a current transformer to monitor demand at the incoming supply. The installer sets a suitable threshold for the installation, allowing the EV charging circuit to be controlled when total demand approaches that limit.
This feature supports supply-demand management; it does not increase the capacity of the incoming supply or replace the required circuit design, protective coordination and commissioning checks.
PME Fault Monitoring
The assembly monitors the supply against the manufacturer’s stated under-voltage and over-voltage thresholds. When a qualifying abnormal condition is detected, its linked switching arrangement disconnects line, neutral and the protective conductor. Under-voltage recovery is automatic, while over-voltage operation requires manual reset.
Compare PME Load-Balancing Units
| Model | Enclosure | Circuit Protection | Additional Functions |
|---|---|---|---|
| WMEPME12/LB | IP40 steel | 40A C Curve Type A RCBO | Load balancing + kWh meter |
| WPEPME12/LB (This Product) | IP65 plastic | 40A C Curve Type A RCBO | Load balancing |
