Announcing the DURApulse AC Drives – GS4 Series  (230 / 460 VAC Sensorless Vector w/PLC) New! … Next Generation GS4 Series DURApulse AC Sensorless Vector Drives. 1 to 25 HP … 230 VAC Single/Three-Phase 1 to 100 HP … 230 Continue reading New from Automation Direct – GS4 Drives→