This is a 10 Amp Wylex MCB\r\nA MCB is a mini circuit breaker.\r\nThis Wylex MCB is part of the type B group.\r\nThese are used to replace your existing re-wireable or cartridge fuse.\r\nThese are designed to fit the Wylex standard range of consumer units only.\r\nThey all come complete with a colour coded contact shield, this is for maximum ease of use.\r\nThis includes a 6KA short circuit rating and a dolly reset mechanism.\r\nThis Wylex B20 10A Plug in comes with a 1 year guarantee, as do all of our products on our website electricals247.co.uk