Siemens MC2040B1200EFC is a rainproof combination metering enclosure designed for both overhead and underground electrical service. It can handle up to 200 amps of power and is compatible with 120/240 volts, 1 phase, 3-wire systems. The enclosure features a 200-amp continuous-rated meter socket and can accommodate circuit breakers up to 80-100 amps in the lowest position and up to 70 amps in all other positions. It also includes a variety of terminals for connecting copper or aluminum wires of various sizes.