T SERIES: Heavy-Duty 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 T SERIES – Heavy-duty drawbar commercial door operator (for standard lift sectional doors) series, 12-foot rail, available in 1/3, 1/2, and 3/4 horsepower, various supply voltages and phases. Not to exceed 25 cycles per hour, 100 cycles per day.

Ratings

  • Maximum duty cycle: 25 cycles per hour, 100 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 welded steel frame
  • 5L V-Belt drive from motor to clutch shaft
  • #65 Roller chain on 1/3 HP and 1/2 HP
  • #41 Roller chain on 3/4 HP
  • Quick disconnect door arm for manual door operation
  • Solenoid brake standard on 3/4 HP (optional on 1/3 & 1/2 HP)
  • Motor overload protection
  • Wired to accept reversing devices
  • Internally adjustable limit switches
  • High starting torque, continuous duty motor
  • 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
  • Solenoid brake: Add -BK to model number
  • MVP-MR 3-channel open-close-stop modular receiver installed: P/N 2650-159

Warranty

  • 2 years
T SERIES Models
MODEL HP VOLTAGE &
PHASE
TYPE
DRIVE
MANUAL DISCONNECT MAXIMUM
DOOR
HEIGHT
T3311 1/3
115V 1P
Drawbar
Quick release door arm
  22-1/2 FT.
T3321
230V 1P
T3323
230V 3P
T3343
460V 3P
T5011 1/2
115V 1P
Drawbar
Quick release door arm
  22-1/2 FT.
T5021
230V 1P
T5023
230V 3P
T5043
460V 3P
T7511 3/4
115V 1P
Drawbar
Quick release door arm
  22-1/2 FT.
T7521
230V 1P
T7523
230V 3P
T7543
460V 3P