Doorking Swing Gate Secondary Operator (1HP, 115VAC, 9.7AMP) | DKS-6550-384

DoorkingSKU: DKS-6550-384

Sale price$5,221.89

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Doorking Swing Gate Secondary Operator (1HP, 115VAC, 9.7AMP) | DKS-6550-384

The 6550 operators are designed to operate very large vehicular swing gates in commercial and industrial applications. Secondary operators are used in bi‐parting (dual) gate applications, and cannot be used as a stand‐alone device. Requires monitored Type B1 and/or Type B2 entrapment protection devices.

  • 50’ Interconnection Cable
Technical Features


  • Primary reduction is provided by a pulley/belt driving a 60:1 worm gear reduction system running in a continuous oil bath.
  • Rotates the gate 90° in approximately 12-14 seconds.
  • Operator mechanics are mounted on a steel frame plated for corrosion resistance.
  • Two-piece articulating arm mechanical slow-start / slow-stop function.
  • Keyed access is provided to the release arm for manual gate operation in the event of a power outage.
  • Split polypropylene housing simplifies installation and maintenance, no need to remove the gate arm.
  • A unique breakaway hub helps to protect the gearbox if the gate is rammed.
  • Secondary operators used in bi-parting (dual) gate applications cannot be used as a stand-alone device.

Gate Tracker

  • Reporting output provides operator data to a DKS 1833, 1835, 1837, or 1838 access control system.


  • Adjustable electronic magnetic limits
  • Auto-close timer (1-23 seconds)
  • Gate overlap feature for bi-parting (dual) gate operation
  • Simple connection for secondary operator in bi-parting gate systems
  • Built-in On / Off switch
  • Built-in alarm reset switch
  • Selectable shadow / reverse loop function
  • Magnetic lock power
  • Ports for plug-in open and reverse loop detectors.
  • DKS plug-in detectors only
  • Three 115 VAC convenience outlets for accessory transformers.


  • Environmental: 10°F to 115°F (-12°C to 46°C)
  • A thermostatically controlled heater kit is recommended for colder environments.
  • Compliant with UL 325 and 991. ETL Listed. 
    Technical Specifications
    • Class of Operation: I, II, III, IV
    • Max Gate Length: 25 ft (7.62 m)
    • Max Gate Weight: 2000 lb (907 kg)
    • Dimensions: 20.5"W x 38.5"H x 30"D (52cm W x 97.8cm H x 76.2cm D)
    • Motor: 1HP
    • Input: 115 VAC, 60 HZ, 9.7A
    Manufacturer's Warranty Policy
    • 5-Year limited warranty
    Product Literature

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