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The WMRC40CSP is a 4 Way Metal EV Protection Unit that combines a 40 A C-Curve A-Type RCBO with a Type 2 SPD inside a durable, powder-coated steel housing. Built for EV charger installations with higher inrush or inductive loads, it delivers overload, earth-leakage, and surge protection in one fully pre-wired, regulation-compliant assembly.
Installer Tip: Use this 40 A C-Curve version for heavier-duty single-phase chargers or inverter-driven systems where inrush currents exceed the range of a B-Curve device. The bi-directional RCBO ensures correct operation even on circuits with backfeed potential.
- 4-way steel enclosure with white powder-coated finish (WMRC series)
- 40 A C-Curve A-Type RCBO – high immunity and bi-directional for demanding EV circuits
- Factory-fitted Type 2 SPD (20 kA / 40 kA) – protects against transient overvoltages
- Pre-wired and labelled for rapid, compliant installation
- 25 mm & 32 mm knockouts (top & bottom) for flexible cabling
- Complies with BS 7671 Amendment 2 and IEC 61009 / 61643 standards
- Built to order – typically dispatched within 3 working days
| Model | RCBO Rating | Curve Type | SPD Type | Ingress Rating | Common Use |
|---|---|---|---|---|---|
| WMRC32BSP | 32 A | B Curve | Type 2 | IP40 (Metal) | Standard 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 charger or mixed load |
| WMRC40CSP | 40 A | C Curve | Type 2 | IP40 (Metal) | Heavier-duty or inverter-driven EV systems |
This 40 A C-Curve variant is the highest-capacity model in the WMRC series, built for commercial or industrial EV installations where higher startup currents or motorised components are present. Fully wired, tested, and compliant with BS 7671 for safe and reliable operation.
