4 Way Metal EV Protection Unit – 32A B Curve A-Type RCBO + SPD (WMRC32BSP)
18th Ed. Compliant
2-Year Warranty
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WMRC32BSP is a 4 way metal EV protection unit supplied with a 32A B Curve A-Type RCBO and built-in surge protection. Designed for single-phase EV charger circuits, it provides overload, earth leakage, and surge protection in one compact pre-configured enclosure. Installer Tip: The dual switch action indicates the type of...
WMRC32BSP is a 4 way metal EV protection unit supplied with a 32A B Curve A-Type RCBO and built-in surge protection. Designed for single-phase EV charger circuits, it provides 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
- 32A B Curve A-Type RCBO – suited to dedicated single-phase EV charger circuits
- High immunity design – helps reduce nuisance tripping
- 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 standard EV charger circuits requiring a 32A B Curve A-Type RCBO with integrated surge protection in one enclosure. You can also browse related products 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) | High-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 32 A B-Curve variant offers the optimal balance of protection and sensitivity for standard single-phase EV chargers. Fully wired, labelled, and compliant with BS 7671 Amendment 2 for quick approval during inspection.
What does WMRC32BSP include?
WMRC32BSP includes a 4 way metal enclosure fitted with a 32A B Curve A-Type RCBO and built-in surge protection for EV charger circuits.
What earth leakage protection does it provide?
This unit provides 30mA AC earth leakage protection and 6mA DC earth leakage detection, making it suitable for EV applications where A-Type protection is required.
What does the dual switch action indicate?
The dual switch action indicates the type of fault detected, helping installers identify whether the trip was caused by overcurrent or earth leakage.
Is this suitable for single-phase EV chargers?
Yes. This version is designed for standard single-phase EV charger circuits requiring a 32A B Curve A-Type RCBO with integrated surge protection.
Are other versions available?
Yes. Related models are available in 32A and 40A ratings, including both B Curve and C Curve versions within the same product family.
- SKU: WMRC32BSP
- Product Type: 4 Way Metal EV Protection Unit with RCBO and Surge Protection
- RCBO Type: A-Type High Immunity
- RCBO Rating: 32A B Curve
- Earth Leakage Protection: 30mA AC
- DC Leakage Detection: 6mA DC
- Surge Protection: Built-in surge protection
- Enclosure Format: 4 way metal unit
- Dimensions: 110mm x 175mm x 91mm
This unit is supplied pre-configured and should be installed by a qualified electrician in accordance with BS 7671 and the manufacturer’s instructions. It is intended for dedicated EV charger circuits requiring RCBO and surge protection in one assembly.
- Mount the enclosure vertically on a suitable solid surface
- Confirm the 32A B Curve rating is appropriate for the connected load
- Ensure all supply and outgoing conductors are terminated securely
- Check protective device operation during commissioning
- Do not modify the internal assembly unless permitted by the manufacturer
