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 circuit breaker unit 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 breaker is a 2P 600 A. The electrical lug connections on the line side will accept three 3/0 to 500 kcmil copper or aluminum wires. This unit has a NEMA 3R surface mounting enclosure that is 53.97 inches tall, 18.66 inches wide and 11.50 inches deep. This main circuit breaker unit is UL listed.