IS-3 Interlock Switch for Rolling Steel Grille

The IS-3 is an interlock switch for a rolling steel grille. It flush mounts on the interior side with universal left- or right-hand mounting and an adjustable actuator height. The switch has a normally closed contact that opens when the lever is pressed. It measures 3-3/8 in H x 2-1/2 in W x 2-5/8 in D. Wire it into the operator's stop or safety circuit. When the lever is pressed, the circuit opens and the operator stops. It is a 2-wire device. Features Interlock for rolling steel grilles Normally closed contact, opens when the lever is pressed Universal mounting, left or right hand Adjustable actuator height Interior flush mount 2-wire Before You Order The contact is normally closed. Wire it in series with the operator's stop or safety interlock circuit, not a command input. Check that your operator has a stop or interlock input that accepts a normally closed contact. Mounts left or right hand, so one part covers either side of the opening. For a pass door interlock, see the IS-1. For a sectional door, see the IS-2. Run 2 conductors to the switch.