Dorman Loadlimiter 63 B-Type Distribution Board is used to suit the current industry regulation requirements the range has been extended to offer a collection of metering options including factory assembled metered power and lighting distribution boards. The range features a comprehensive variety of B-Type Distribution Boards rated at 250A and a wide array of circuit protection devices which ensures a simple configuration as well as quick assembly for new and retrofit applications. Features IP4X ingress protection, switch disconnector up to 125A can be mounted integral to the board and horizontal fixing centres are 398mm.