400 Amp 42-Space 42-Circuit Type CH Meter Socket and Main Breaker Load CenterThe Eaton 400 Amp 42 Space 42 Circuit Type CH Meter Socket and Main Breaker Load Center is NEMA 3R rated for outdoor use with a rainproof design. This combination unit is intended for use as both a main breaker load center and as a meter socket and it is also rated for use as service entrance equipment. The center's load conductors can exit the top, bottom, side or back for application and installation flexibility and has a socket to distribution