The Homeline load centre provide a wide range of upgrades while still providing your standard, ground fault, and arc fault circuit breakers. Homeline load centres are designed for residential and industrial use to protect electrical systems, equipment and people. This load centre is rated for indoor use only with the SPD. Homeline load centres enable the use of a full complement of accessories including the 50kA rated SPD to be simply installed. This is a plug on neutral surge protective device for Homeline load centers. Designed for 3 wire 120/240 VAC single phase systems. Surgebreaker has a NEMA 2 indoor rating. This surge protection device is rated at 50 kA per phase. This surge protection device has a height of 3.98 inches, a width of 1.97 inches and depth of 2.60 inches. This surge protection device is CSA certified