... ,single-plase,fire roller shutter motor type:M600-DF,single-plase,fire roller shutter motor1.reliable performance,low operation noise2.the roller shutter door may be ... and no electricity3.working with fireproofing type electric cabinet and roller shutter door,it may reach the goal of fire separation ... )6003701101404.5420 D:single-phase S:three-phase F:fireproof KALATA fireproof roller shutter motor