Siemens provides a full range Meter Combination Load Centers and Meter Mains that are built for safety, ease of installation and long-term quality. A Meter Main is a device that provides a meter socket and a main breaker, a meter combination load center provides a socket, main breaker and load center interior. The offering is divided into 4 product families for easy review and selection: Meter Mains, Meter Load Center Combinations, EUSERC Meter Mains and EUSERC Meter Load Center Combinations.