ModelSW720 SeriesDriving method:Screw driven piston typeOperating Voltage:DC24V for normal speedDC12V for cushioning speedMax.Output power:80W per driverMax.piston stroke:30cmMax.piston speed:3cm/secOperating cycle:10second per 90(approx)Max. single-leaf weight300kg per wingMax. single-leaf length2.1M(7feet)DSPS deviceElectronic timing trackerGearboxPlanetary gearSafety clutchElectronic current sensingLimit SwitchwithoutBackup battery12V /(5.2 or 7.0AH)Safety barrierInfrared sensor(optional)Main supplyAC110V/220V,60Hz/50HzElectronic controller:Microcomputer basedRemote controller:UHF Digital PWM typeTemperature:`-20 to +80CProtection Class:IP54