GT SERIES: Extra Heavy-Duty Gear Reduced Drawbar Commercial Door Operator

The Nortek Security & Control Family of Brands

Installation and Owner’s Manual –
(Post 2010 UL requirements)
Flyer/Architectural Spec
Fraba Safety Devices Brochure

The GT SERIES – Extra heavy-duty gear reduced drawbar commercial door operator (for standard lift sectional doors) series, available in 1/2, 3/4, and 1 horsepower, various supply voltages and phases. Not to exceed 35 cycles per hour, 150+ cycles per day.

Ratings

  • Maximum duty cycle: 35 cycles per hour, 150+ cycles per day
  • Maximum door height: 22-1/2 feet

Features

  • Solid state control circuit¬†
  • Constant pressure required to close if no entrapment devices are installed¬†
  • All steel frame
  • Oil bath gear reduction unit
  • Quick disconnect door arm for manual door operation
  • #41 roller chain drive
  • Standard door speed approximately 11 inches per second
  • Adjustable torque converter
  • Solenoid brake standard
  • Motor overload protection
  • Wired to accept reversing devices
  • Internally adjustable limit switches
  • High starting torque, continuous duty motor
  • TEFC Motor standard on single phase 1 HP and over, and all 3 phase operators
  • 24-Volt control circuit with OPEN, CLOSE and STOP 3-button station
  • OPEN button (and single button) will automatically override down travel and reverse door to the full open position
  • External terminals for single button (residential type) radio control

Rail Options

  • Rail for up to 14′ 6″ high doors
  • Rail for up to 16′ 6″ high doors
  • Rail for up to 18′ 6″ high doors
  • Rail for up to 20′ 6″ high doors
  • Rail for up to 22′ 6″ high doors

Common Options

  • Linear Photo Beam Kit: HAE00056
  • MVP-MR 3-channel open-close-stop modular receiver installed: P/N 2650-159

Warranty

  • 2 years
GT SERIES Models
MODELHPVOLTAGE &
PHASE
TYPE
DRIVE
MANUAL DISCONNECTMAXIMUM
DOOR
HEIGHT
GT5011
1/2
115V 1P
Drawbar
Quick release door arm
22-1/2 FT.
GT5021
230V 1P
GT5023
230V 3P
GT5043
460V 3P
GT7511
3/4
115V 1P
Drawbar
Quick release door arm
22-1/2 FT.
GT7521
230V 1P
GT7523
230V 3P
GT7543
460V 3P
GT10011
1
115V 1P
Drawbar
Quick release door arm
22-1/2 FT.
GT10021
230V 1P
GT10023
230V 3P
GT10043
460V 3P