High forces to 2,225 N [500 Lbs.] at 15% duty cycle Acceleration to 9.8 m/s2 [1g] Speeds to 6.85 m/s [270 in/sec] at 60 Hz Higher speeds at higher frequencies Non-contact, virtually maintenance free Heavy payloads Unlimited stroke length Use with:Single or three-phase AC line voltage, 50 or 60 Hz.Single-phase requires use of external capacitor Use inverter for velocity control, or vector control and motion controller for positioning (refer to Baldor's AC controls ' 15H Inverter, 18H Vector, and Mint' positioning controllers)