Chain spreader for installation with 1" operator shaft & 1" door shaft.
Includes 2 shaft collars and set screws.
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
Manufactured to the highest quality standards to ensure accurate detection our Pre-formed loops come with a 50 foot twisted lead-in ware and available lead-in lengths up to 500 feet.
Ideal for use on existing asphalt or concrete surfaces
Features a non spliced continuous wire throughout loop turns and lead-in.
requires the use of loop sealer when being installed to ensure long lasting trouble-free detection
Suspended from the ceiling the operators are used on sectional overhead doors with standard lift.
T operators are directly attached to drive and control the door.
MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.
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
Compatible with the PPWR Receiver for gate access control all 315MHz Security+ LiftMaster and Elite Series Gate Openers and all LiftMaster Garage Door Openers manufacture since January 1995
3/4 HP230V 1PH 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