RCD Upgrade Unit
This compact RCD Upgrade Unit is a 2-module plastic enclosure pre-fitted with an RCD of your choice - available in 40A, 63A, 80A, or 100A variants. It’s ideal for installations where the existing consumer unit lacks RCD protection, or where standalone fault protection is required for individual circuits. Designed for...
This compact RCD Upgrade Unit is a 2-module plastic enclosure pre-fitted with an RCD of your choice - available in 40A, 63A, 80A, or 100A variants. It’s ideal for installations where the existing consumer unit lacks RCD protection, or where standalone fault protection is required for individual circuits.
Designed for quick retrofitting, it includes tamper-proof security seal screws and is suitable for domestic and light commercial use.
- Available in 40A, 63A, 80A, or 100A ratings (select variant)
- 2-module DIN rail enclosure with screw-sealed lid
- Use for RCD-only protection where consumer unit lacks integrated protection
- Surface mount design – easy to install on walls or boards
- Compact dimensions: 95mm (W) x 145mm (H) x 82mm (D)
Perfect for use as a retrofit RCD module, temporary power protection, or single-circuit fault detection on upgrades and extensions.
When would I use an RCD upgrade unit?
When the existing consumer unit doesn’t offer RCD protection - often in older installations, extensions, or subcircuits that need fault protection added.
Is this suitable for outdoor use?
No - this is a standard plastic enclosure for internal use only. For weatherproof installations, see our IP65-rated RCD units.
Can I choose the RCD rating?
Yes – this unit is available with 40A, 63A, 80A, or 100A RCDs. Select the appropriate variant from the dropdown before adding to basket.
- Product Codes: WECRC40 / WECRC63 / WECRC80 / WECRC100
- RCD Ratings: 40A, 63A, 80A, 100A (30mA)
- Enclosure: 2-module plastic case with security seal screws
- Voltage: 230V AC
- Mounting: Surface mount, DIN rail inside
- Dimensions: 95mm (W) x 145mm (H) x 82mm (D)
- Standards: BS EN 61008-1 / BS7671 compliant
This upgrade unit can be wall-mounted and wired directly to isolated subcircuits or small distribution applications. Always confirm suitability with the system’s load demand and fault protection requirements. Ideal where full consumer unit replacement is not viable.
- Secure enclosure using surface fixings
- Use correct gland or seal to maintain integrity
- Wire in accordance with BS7671 guidelines
- Test RCD trip time after installation
