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WMRC40BSP is a 4 way metal EV protection unit supplied with a 40A B Curve A-Type RCBO and built-in surge protection. Designed for EV charger circuits, it provides combined overload, earth leakage, and surge protection in one compact pre-configured enclosure.
Installer Tip: The dual switch action indicates the type of fault detected, helping electricians identify whether the trip relates to overcurrent or earth leakage.
- 4 way metal enclosure – compact pre-built EV protection format
- 40A B Curve A-Type RCBO – suitable for dedicated single-phase EV charger circuits
- 30mA AC earth leakage protection
- 6mA DC earth leakage detection
- Built-in surge protection – helps protect connected equipment from transient overvoltages
- Pre-wired assembly – built for faster installation
- Dimensions: 110mm x 175mm x 91mm
This version is suited to EV installations requiring a 40A B Curve protective device with integrated surge protection in a single enclosure. You can also browse related options in our EV protection range, RCBO collection, and surge protection range.
| Model | RCBO Rating | Curve Type | SPD Type | Ingress Rating | Common Use |
|---|---|---|---|---|---|
| WMRC32BSP | 32 A | B Curve | Type 2 | IP40 (Metal) | Domestic EV charger ≤7.4 kW |
| WMRC40BSP | 40 A | B Curve | Type 2 | IP40 (Metal) | Higher-load EV charger ≤9.6 kW |
| WMRC32CSP | 32 A | C Curve | Type 2 | IP40 (Metal) | Commercial EV installations |
| WMRC40CSP | 40 A | C Curve | Type 2 | IP40 (Metal) | Heavier-duty or inverter loads |
This 40 A B-Curve version offers additional load capacity for high-demand EV chargers and larger single-phase circuits. Prewired, labelled, and built to 18th Edition standards for safe, reliable operation on site.
