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GH753L5 - 3/4HP 3PH LiftMaster Gearhead Operator


GH753L5 - 3/4HP 3PH LiftMaster Gearhead Operator
 
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Product Code: GH753L5

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Hand of Operation


Monitored Safety Device

Price includes CPS-U*:

Modifications

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Shaft Height for Extra Hand Chain



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Description Technical Specs. Manual & Brochures
 
Gearhead (GH) 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.
Features
DUAL VOLTAGE CONNECTIONS
  • Increase flexibility by enabling the installer to select the required voltage, within phase, to meet job-site requirements.
  • Within phases, voltage is selectable at the time of installation with the placement of a connector.
FLOOR LEVEL CHAIN HOIST WITH ELECTRICAL INTERlock
  • Provides easy disconnect and manual operation in an emergency.
HEAVY-DUTY WORM GEAR-IN-OIL GEAR REDUCER
  • Delivers performance for heavy industrial, high cycle applications.
CONTROL FUNCTION SELECTOR DIAL
  • Enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
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.
CONTINUOUS-DUTY HIGH-STARTING TORQUE MOTOR
  • Performs in demanding industrial overhead and rolling door applications.
MOTOR REMOVABLE WITHOUT AFFECTING LIMIT SWITCH SETTINGS
  • Saves time and money for maintenance.
MID-STOP
  • Enables partial opening of door to a pre-programmed position for energy savings, time savings, and convenience.
MAXIMUM RUN TIMER
  • Reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
DELAY-ON-REVERSE CIRCUIT
  • Prevents abrupt reversal of door, reducing wear on the door and operator system.
3-BUTTON CONTROL STATION WITH MAINTENANCE ALERT SYSTEM (MAS)
  • Provides open/close/stop functions and notification when routine maintenance is required.

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