320Amps,600VAC,4Terminals,single phase,3 waya,ringless type.NEMA 3R type kuvaka 1.5mm gobvu (#16 gauge) galvanized steel sheet(AISI G90) ,electrostatically applied epoxy baked grey powder finished.Heavy duty lever bypass.Plateavy duty duty. shaya.OVERHEAD/UNDERGROUND.Kugogodza kunonakira mudivi kumashure uye pasi.The fixed hub size 2″ to 2-1/2″ for option.