An Industrial duty operator featuring both the patented Hoist-a-Matic a self-engaging chain hoist for manual operation as well as a floor level disconnect
Specifically designed to motorize grills when a manual egress is required
3/4 HP575V 3PH Industrial Continuous Duty Jackshaft Operator
Ideal for Sectional Doors Rolling Steel
Monitored logic board with integral 372Mhz radio receiver that can hold up to 20 transmitters (MK-00647/ MK-00653/ MK-00659) or 200 of the 1 channel hand held transmitters (MK-00660).
N-1 Through-beam (MK-00649) photocells included. Other options available.
3-btn O/S/C (02-103) wall control station included
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
Automated battery backup - the unit continues to work on batteries with full functionality (but does move more slowly) until the unit gets to about 75% of battery capacity then transitions to push and hold operation.
The 300 series also works with and powers 12V automatic lock systems
Option available: 5-conductor cable (5') to reduce the risks of miswiring incidents available in 5' 10' 15' 20' or 25' lengths
Integrated software fuse that shuts down the unit to help prevent board component disasters should these be incorrectly installed on grossly imbalanced or improperly sized doors.
30:1 40:1 50:1 gearbox ratio are available. Please specify when ordering otherwise 40:1 will be supplied
This is installed onto the panel when the door is opened it is engaged and will keep the door open above the header so there is no hang down of the door.
The door will stay open above the header to eliminated the door being damaged.