Chain spreader for installation with 1" operator shaft and 1-1/4" door shaft
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
Electromechanical medium profile edge for rolling fire door applications.
•Touch sensitive signaling allows for immediate reversing or stopping of motion.
•The MT21 is completely felixible and will contour to curved surfaces. The MT21 will also act as weatherstrip.
•Temperature range: -30F to 155F
•Lead wire: 22 gauge universal
•Sensitivity: nominal 6-8 PSI
•2 wire NO configuration
•Horizontal mount
•ANSI/UL325 recognized component
•One year warranty