Liftmaster Safety Edge Take Up Reel, 3 Wire, 18 ga, 20 ft MODEL 50107

MODEL 50107 Take Up Reel, 3 Wire, 18 ga, 20 ft Sensing Edge Connections Take-Up Reels Take-up reel, 3-wire, 18 ga., 20 ft. extended Each sensing edge requires a means to connect it to the door operator. The means must be able to extend and retract as the door moves. Coil cords and take-up reels fulfill this function. A wireless connection may also be used. IMPORTANT NOTE: TAKE-UP REELS ARE NOT RECOMMENDED FOR USE WITH ANY FAILSAFE TYPE EDGE. USE COIL CORDS ONLY.