Square D by Schneider Electric SC3040M200F Homeline 200-Amp 30-Space 40-Circuit Outdoor Semi-Flush Mount Main Breaker CSED Homeline 200 Amp 30-Space 40-Circuit Ring-Type Semi-Flush Mount Main Breaker CSED Accommodates plug-on secondary surge arrestor and features a plug-in design for easy installation Use type HOM circuit breakers, Rated 120/240Vac, 4 jaw meter socket NEMA type 3R enclosure