4.9 Based on 1181 reviews 
Description
⚡ Type A 45A RCBO for FuseBox – B-Curve, 30mA
FuseBox RTA064530B – Heavy-duty protection for powerful fixed domestic appliances
The Type A 45A RCBO for FuseBox is designed to protect circuits where serious current demand is required — yet safe, reliable switching and fault detection must still be guaranteed. It combines short-circuit and overload protection (MCB) with residual current detection (RCD) in a single module.
Whether you’re powering a high-load cooker, water heater, or specialist appliance, this 45A RCBO fits neatly into all standard FuseBox consumer units and meets the latest safety standards.
🔧 Where the Type A 45A RCBO for FuseBox Excels
Use this unit for:
- Large domestic cookers or range-style ovens
- High-demand immersion heaters or heat pumps
- Long dedicated radial circuits using 6mm² or larger cabling
- Post-EICR upgrades for circuits previously incorrectly fused
- Dedicated spurs where a 45A capacity is required for compliance
👉 Which RCBO Size Do You Need? — Get guidance based on load, cable size, and circuit use
🔑 Key Features
- 45A rated current – designed for high-power dedicated loads
- B-curve tripping – fast operation under standard domestic surge patterns
- Type A RCD – detects AC and pulsating DC faults
- 30mA residual sensitivity – meets 18th Edition domestic requirements
- 6kA fault capacity – suitable for typical UK homes
- Standard width RCBO – fits FuseBox full-size consumer units
- BS EN 61009-1 approved – tested for total compliance
- Robust PA6 (Nylon 6) build – safe, heat-resistant construction
- Clear install markings – quick and accurate for electricians
🧭 Explore More Safety Options for Earth Leakage and Overload Protection
Not sure if 45A is your final choice? Compare with others below:
👉 Browse all residual current devices with overcurrent protection — choose by application, current, and board type
👉 See all FuseBox electrical components — RCBOs, boards, and accessories
👉 Shop FuseBox consumer units — compatible with every RCBO listed here
👉 Need to scale down? Try the RCBO 40A Type A for FuseBox
👉 Need to scale further up? 50A RCBO FuseBox is your go-to
