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Surface-Mounted Operator

GT400 & GT8400 / Automatic

The GT400/8400 Surface-Mounted Operator is designed to work with new or existing door installations. The operator offers proven NABCO reliability and durability and can handle busy pedestrian traffic. Its superior mechanical design provides smooth, long-lasting operation.

Our literature section includes technical resources on our surface-mounted operator for you to better understand its mechanics. To ensure your surface-mounted door operators’ performance, review our technical references, technical bulletins, product manuals, architectural drawings, and more.

Photos
Features
Literature
  • Proven design for proven reliability
  • Works with new or existing door frames
  • Mechanical operator used with basic electronic or microprocessor (standard) controler provides smooth, efficient operation
  • Adjustable closing speeds allow the door to close sooner for energy savings or slower for increased pedestrian protection
  • Mechanical operator used with microprocessor provides efficient, smooth operation
  • Works with butt-hung, offset pivot or center pivot door without requiring the special linkage making it easy to install
  • Optional length headers for improved appearance
  • Heavy-duty spring closer
  • Heavy-duty all steel motor and mechanical gear box outperforms the competition
  • Available with bottom load or convenient sideload header
  • Sideload header panel simply pivots up and locks into position, out of the way, enabling the operator to be quickly installed or removed for easy servicing while allowing the door to remain in a closed position, eliminating the loss of energy from within the building
  • Panic breakout available for center pivoted doors – allows inswinging doors to swing out in case of emergency
  • Recycle feature stops and reverses direction of swing path when an object is encountered for greater pedestrian protection
  • Seamless interface with a variety of activation devices and auxiliary equipment including fire alarm systems
  • Meets ANSI Standard 156.10 when used with mats, Acusensor 3, or OA Edge Sensor System
  • UL / ULC and CSFM approved

    Select a product

    Literature Type

    • All
      • All
      • Sales Sheets
      • Owner's Manual
      • Specifications
      • Architectural Drawings
      • Product Manuals
      • Archived Manuals
      • Technical References
      • Technical Bulletins
      • Technical Newsletter
    • Sales Sheets
      • GT400/8400 Cut Sheet pdf |
    • Owner's Manual
      • C-00345 Owner’s Manual, Full Automatic Swing Operators – French Rev 4-10-18 pdf |
      • C-00110 Owner’s Manual, Full Automatic Swing Operators pdf |
    • Specifications
      • GT400 & 8400 Swing Operator Conversion Unit (Specifications) pdf | docx |
    • Architectural Drawings
      • Mounting Operator to Metal Door & Frame Architectural Drawing pdf | dwg |
      • Bottom Load Header – Left Hand Inswing (GT400-01L) pdf | dwg |
      • Bottom Load Header – Left Hand Inswing with Panic – Center Pivot (GT400-01LP) pdf | dwg |
      • Bottom Load Header – Right Hand Inswing (GT400-01R) pdf | dwg |
      • Bottom Load Header – Right Hand Inswing with Panic – Center Pivot (GT400-01RP) pdf | dwg |
      • Bottom Load Header – Left Hand Outswing (GT400-02L) pdf | dwg |
      • Bottom Load Header – Right Hand Outswing (GT400-02R) pdf | dwg |
      • Bottom Load Header – Simultaneous Pair Inswing (GT400-03) pdf | dwg |
      • Bottom Load Header – Simultaneous Pair Inswing W/Panic – Center Pivot (GT400-03P) pdf | dwg |
      • Bottom Load Header – Simultaneous Pair Outswing (GT400-04) pdf | dwg |
      • Bottom Load Header – Dual Inswing/Outswing (GT400-05) pdf | dwg |
      • Bottom Load Header – Dual Inswing/Outswing With Panic – Center Pivot (GT400-05P) pdf | dwg |
      • Bottom Load Header – Double Egress Pair (GT400-06) pdf | dwg |
      • Sideload Header – Left Hand Inswing (GT8400-01L) pdf | dwg |
      • Sideload Header – Left Hand Inswing With Panic – Center Pivot (GT8400-01LP) pdf | dwg |
      • Sideload Header – Right Hand Inswing (GT8400-01R) pdf | dwg |
      • Sideload Header – Right Hand Inswing With Panic – Center Pivot (GT8400-01RP) pdf | dwg |
      • Sideload Header – Left Hand Outswing (GT8400-02L) pdf | dwg |
      • Sideload Header – Right Hand Outswing (GT8400-02R) pdf | dwg |
      • Sideload Header – Simultaneous Pair Inswing (GT8400-03) pdf | dwg |
      • Sideload Header – Simultaneous Pair Inswing W/Panic – Center Pivot (GT8400-03P) pdf | dwg |
      • Sideload Header – Simultaneous Pair Outswing (GT8400-04) pdf | dwg |
      • Sideload Header – Dual Inswing/Outswing (GT8400-05) pdf | dwg |
      • Sideload Header – Center Pivot – Dual Inswing/Outswing With Panic (GT8400-05P) pdf | dwg |
      • Sideload Header – Double Egress Pair (GT8400-06) pdf | dwg |
    • Product Manuals
    • Archived Manuals
      • 15-14985 Hardware Installation Manual GT(8)400,(8)500,(8)600 CU with Opus Controls Rev 5-26-16 |
      • C-00092 – Quick Setup & Parts Guide – GT(8)400-(8)500-(8)600 CU Magnum Swing Door Operator, Rev 8-10-16 |
      • GT710 with Gemini Control |
      • 15-10538 Installation Manual GT8400/8500 Swing Door Operator, Rev-9-26-14 |
    • Technical References
    • Technical Bulletins
      • Technical Bulletin 68 Introducing the New Opus Control |
      • Technical Bulletin 69 New Sequencer, Secure Access and Wireless Devices |
      • Technical Bulletin 72 GT20 Inswing Units with Greater than 0” Reveal Require Two Piece Dog Leg Arm |
      • Technical Bulletin 71 Identifying and Preloading the New Reduced Opening Force (ROF) Operators |
      • Technical Bulletin 73 Use of Radio Receivers with the Opus Control |
      • Technical Bulletin 77 Opus Control Programming Tips |
      • Technical Bulletin 80 Using “Push & Go” on GT20 |
      • Technical Bulletin 81 Opus Control Programming Tips Update |
      • Technical Bulletin 86 Sensor Monitoring Primer |
      • Technical Bulletin 87 New & Rebuilt Analog, Magnum or U01-U19 controls no Longer Available |
      • Technical Bulletin 89 Implementation of Sensor Monitoring in Production Units |
      • Technical Bulletin 89A Update to Bulletin 89 on Sensor Monitoring Settings |
      • Technical Bulletin 91 Display Issues on Opus Controls |
      • Technical Bulletin 92 Input 62 Failure on Opus Controls |
      • Technical Bulletin 93 How to Change the Hand and/or Direction of Swing on a GT20 |
      • Technical Bulletin 96 Software Issue on GT20 |
      • Technical Bulletin 99 Opus Instructional Videos |
      • Technical Bulletin 101 Setting up Opus Controls on Swinger Pairs and Bi-Folds |
      • Tech Bulletin #103 Hot Resistor on Swing Operators and Folding Door Systems |
      • Tech Bulletin #105 Opus Controls to be Removed from Retrofit Kits |
      • Tech Bulletin #108 Changes to Swing Header Mounting Hardware |
      • Technical Bulletin 43 Update from previous Bulletin #40 |
      • Technical Bulletin 46 Relocation of Motor Fuse on GT Swing Operators with Magnum-4 Controls |
      • Technical Bulletin 52 “Greaseless” Operators |
      • Technical Bulletin 55 Use of Acusensor 3 as Safety Sensor for Swing Doors |
      • Technical Bulletin 56 Improvements to Swinger Arms |
      • Technical Bulletin 57 Changes to the Magnum Control |
      • Technical Bulletin 62 Screw Bags No Longer Provided With all Swinger Operators |
      • Technical Bulletin 62A Clarification Regarding Bulletin 62 |
      • Technical Bulletin 65 Ground Wire Added to Swing Operators |
    • Technical Newsletter

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