while wylex don't do a 45A breaker for the standard range they do make a 45A cartridge fuse to fit it and GE do a 45A breaker designed to fit wylex standard boxes.
search for GE minitrip on, you will also need the base to go with it which is the next item down.
http://www.toolstation.com/shop/Electrical/CircuitProtection/d190/sd2615
search for GE minitrip on, you will also need the base to go with it which is the next item down.
http://www.toolstation.com/shop/Electrical/CircuitProtection/d190/sd2615
