Die cast metal enclosure with BEST cylinder (construction core included)
OPEN/CLOSE spring return to center (OFF) key removable in center position only. Should only be used on operators wired for constant pressure to open and close (all LiftMaster industrial operators with type D control wiring).
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
TODCO patented the Transportation Core™ a 3/4" 7-ply premium-grade plywood that forms the foundation of the door.
It has a hardwood outer veneer that virtually eliminates wood grain "telegraphing" giving a smoother more uniform look that lasts.
The TOUGHSHELL® system is a multi-layered formulation of liquid polymers that are specifically designed to work together on wood substrates and provide a state-of-the-art defense against moisture abrasion temperature extremes harsh chemicals even UV damage
Standard on all TODCO Dryfreight and TODCOLD® doors only EverWare™ rivets give you the protection of stainless steel – without the cost.
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