Individual meter main with test block bypass meets EUSERC requirements. This individual meter socket is designed for 3 phase 4W incoming system and outgoing service. The rated operational voltage is 208Y/120 VAC or 240/120 VAC Delta. The meter socket can be feed from an overhead or underground service. This individual meter socket has a ringed socket with 7 jaws. The meter socket is rated 200 A. The lugs will accept 6 AWG to 300 kcmil copper or aluminum wire. This unit has a NEMA 3R flush mounting enclosure that is 30.00 inches tall, 22.44 inches wide and 7.50 inches deep. This Individual meter main with test block bypass is UL listed.