Rated as service equipment (panelboard #67 and meter sockets #414)|Units supplied with factory installed main breakers rated 22 kA IC where applicable|Load centers are provided with copper bus, 22 kA IC bus bracing and 100% neutral termination, feed-through lugs provided on load centers with main breakers|320 A continuous duty meter socket available in ring type, K-4 bolt on, or ringless (lever bypass)|All terminals accept copper or aluminum wire for added installation flexibility|Utility meter socket compartment has barrier from main circuit breakers for utility power protection|Factory installed flange for easy semi-flush or surface installation|G90 galvanized steel construction for superior corrosion protection|Durable polyester powder coat finish resists chipping and fading|Underground feed only, series wired, 240 VAC 1-phase, and branch circuits accept combinations up to 200 A|Fifth jaw optional - order model MS5MIL|Line side 1/2 in stud termination provided, however, crimp-on/connector lug not provided by Midwest|Bottom feed only, no hub provision|1 AWG to 300 kcmil stranded aluminum load connector