EZ Meter Pak devices are the industry choice for providing a better solution for multi unit construction needs. EZM main devices are available as main circuit breakers, as main fusible switches or as main lug terminal boxes. The various EZ Meter Pak devices can have main ratings from 225 to 2000 A maximum depending on the version. This main lugs terminal box can be feed from an overhead or underground service. This EZ Meter Pak is designed with a rated operational voltage of 120/240 VAC single phase 3W in and out. The unit has an aluminum horizontal cross bus bar. The main is rated 600 A. The electrical lug connections on the line side will accept two 1/0 to 750 kcmil copper or aluminum wires. The electrical lugs on the line side will also accept four 1/0 to 300 kcmil copper or aluminum wires. This unit has a NEMA 3R surface mounting enclosure that is 30.46 inches tall, 17.15 inches wide and 7.09 inches deep. This main lugs terminal box unit is UL Listed.