VOLTAGE: 115 or 220 VAC (50 or 60 Hz) SCREW TYPE: Acme Screw STANDARD STROKE: 3 to 36 in (76 to 916mm) SPEED: 0.68 to 0.83 in/s (17 to 21 mm/s) TEMPERATURE RANGE: 15ºF to 120ºF TUBE RESTRAINING TORQUE: 215 in-lbf ENVIRONMENTAL RATING: IP50 protection