LiftMaster GH electric garage door opener
LiftMaster logo

GH

LiftMaster logo

GH

LiftMaster GH electric garage door opener

Features

The GH model is a heavy industrial‑duty gear‑reduced hoist door opener, as manufactured by The Chamberlain Group and is for use on vertical or high lift sectional doors, rolling doors and grilles. It is rated for 25 cycles per hour constant high loading. In excess of 90 cycles/day.

  • Drive system: chain hoist
  • Voltage/phase:
    • Single-Phase: 115 V and 230 V
    • 3-Phase: 208 V, 230 V and 460 V, 575 V
  • Class 2 Circuit with 40 VA transformer
  • Horsepower: available in ½, ¾, 1, 1½, 2, 3 and 5 HP.
  • Minimum side room required: 20 in (508 mm)
  • Control circuit: Logic 4.0 Control Board (L4) available on 115V, 208/230V, 460V and 575V
  • Floor level chain hoist with electrical interlock for emergency manual door operation
  • High‑starting torque continuous‑duty motor with overload protection
  • Heavy‑duty worm gear‑in‑oil‑bath peed reducer
  • 3‑button control
  • Hoist wheel is easily moved to Right of Left hand side of unit eliminating the need to order left or right mounting
  • Solenoid brake, standard
  • 5V DC (L4) NEC Class 2 control circuit
  • C2 is a factory default setting; B2 easily field set using the Selector Dial (requires CPS-U, CPS-UN4 or CPS-EI)
  • Prewired to accept sensing devices (see Sensing Devices - Safety Accessories)
  • External radio control terminal
  • Fully adjustable linear‑driven limit mechanism
  • Motor removable without affecting limit settings
  • NEMA 1 type electrical enclosure
    • 50B40 door sprocket and #50 drive chain - standard on ½ thru 1 HP models
    • 50B60 door sprocket and #50 drive chain - standard on 1 ½ thru 2 HP models
    • 80B60 1 ¾" diameter with 3⁄8 keyway door sprocket and #80 drive chain - standard on 3 HP models
  • Baked‑on high‑durability black powder coat finish
  • Door speed approximately 8 to 9 inches (203 to 229 mm) per second
  • Approximate shipping weight - 125 lb (57 kg)

Standard security systems

Your security, our priority!

CPS® commercial protector system®

The presence of primary entrapment protection is standard CPS‑U for all modes. Primary entrapment protection devices are monitored continuously to ensure safe operation of the door and limit door opener functionality should an obstruction be detected or in the event of device failure. Optional LiftMaster Monitored Entrapment Protection devices, CPS‑UN4, CPS‑RPEN4 and CPS‑EI, are designed to work in conjunction with LiftMaster commercial door openers to provide enhanced door safety and a broad range of modes and features to end users. Either monitored photo‑sensor or monitored 4‑wire sensing edge (in conjunction with the CPS‑EI Edge Interface) protection may be selected, but one must be detected by the LiftMaster logic 4.0 or medium‑duty logic circuit board in order to unlock full functionality.


Warning

Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

CPS®commercial protector system®

The presence of primary entrapment protection is standard CPS‑U for all modes. Primary entrapment protection devices are monitored continuously to ensure safe operation of the door and limit door opener functionality should an obstruction be detected or in the event of device failure. Optional LiftMaster Monitored Entrapment Protection devices, CPS‑UN4, CPS‑RPEN4 and CPS‑EI, are designed to work in conjunction with LiftMaster commercial door openers to provide enhanced door safety and a broad range of modes and features to end users. Either monitored photo‑sensor or monitored 4‑wire sensing edge (in conjunction with the CPS‑EI Edge Interface) protection may be selected, but one must be detected by the LiftMaster Logic 4.0 or Medium‑Duty Logic circuit board in order to unlock full functionality.


Warning

Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

Included in package

LiftMaster GH electric garage door opener
LiftMaster GH door opener
  • Chain tensioner
  • 3‑button control station
  • Receiver included (transmitter in option)
  • Hardware bag for installation (includes all necessary hardware for installation)
  • Hoist chain

Optional door opener accessories

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