Knob selection of operating mode (6 functions):
A - delay on operate
B - symmetrical recycler OFF first
B2 - symmetrical recycler ON first
C - signal ON/OFF delay
D - delay on release
E - interval
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
1/2 HP115V 1 PH Industrial Continuous Duty Jackshaft Operator
Ideal for Sectional Doors Rolling Steel
Non-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).
3-btn O/S/C (02-103) wall control station included
Adjustable Friction Clutch 5L320 drive belt
#50 Roller chain 18 tooth door sprocket included
Emergency chain hoist with electrical cut-off for manual operation
H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
The operators are typically mounted to the wall when used with larger sectional overhead doors with vertical or high lift and mounted to the wall or the front of the hood when used with rolling doors and grilles.
H operators are attached to the door jackshaft to indirectly drive the door.
With the addition of the 828LM MyQ technology enables the user to monitor and control their operator and light with their smartphone tablet or computer.
Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
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.
Ozone Friendly Door Lubricant with anti-wear and extreme pressure additives.
Silicone Free
Non-drip clear formula provides long lasting lubrication and protection where metal to metal friction occurs.
•Ideal for use on door tracks hinges springs rollers chains cables gears and more.
Kit includes PC50CNT20R (emitter) and PC50CNT20RP (reciever)
Operates on 12-240 VDC and 24-240 VAC supply voltage.
The PC50CNT20R has a 3 amp relay output
Adjustable sensitivity modulated infrared light make and break (light/dark) switching function LED indications for output ON signal stability and supply ON
OPEN only (all LiftMaster operators) or SAFETY only (LiftMaster operators with type B2 C2 L2 T T1 or TS control wiring) after vehicle passes over treadle.
The weight of the vehicle compresses an electric switch which sends an open signal to the door.
Requires a 2-wire connection to the operator but does not require power to function
Gearhead style commercial door operators employ lubricated gears for heavy industrial high cycle applications.
GH-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
Hoist wheel is easily moved to Right or Left hand side of unit eliminating the need to order right or left hand mounting.
MyQ Technology enables you to securely monitor and control your facility operator with your smartphone tablet or computer. Internet Gateway 828LM required.
Security +2.0 radio receiver safeguards your facility - with every click a new code is sent to the commercial door operator so the door opens only for you.
Timer-To-Close: Conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.