The FuseBox F2010MX main switch consumer unit features a 100A rated MS (Main Switch) incomer and T2 SPD (Surge Protection Device). Surge protection consumer units provide formidable circuit protection against surge and overload. When fitted with additional RCBOs (Residual Current Circuit Breaker with Overload Protection) as an outgoing device, you also get residual current protection. The metal consumer unit range from FuseBox is constructed from steel and is 18th Edition compliant. It is now available in large double row sizes with up to 29 usable ways.