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LockMaster Electric Sliding Gate Opener 1200KG Automatic Motor Remote


Lockmaster  heavy-duty 550W 240V AC motor, the Automatic Sliding Gate Opener has capacity to  power gates up to a maximum of 1200kg. Its advanced technology also enables it to perform smooth operation modes and an adjustable open/close direction according to your requirements. It can also be set to pedestrian or midway modes.


Lockmaster Electric Sliding Gate Opener 1200KG Automatic Motor Remote

POWERFUL OUTPUT】Featuring a STRONG 3/4 HP 550W AC motor with greater start force and pulling force, TOPENS RK1200 Sliding Gate Opener is designed for heavy duty sliding gates up to a max. of 3400 lbs. in weight and 40’ in length. The durable and reliable motor made by pure-copper wire brings a superior performance. The ultra-quiet system provides a long operating life with minimum maintenance requirement.

POWER SUPPLY METHODS】RK1200 Gate Opener is ONLY powered by AC 110V electricity. The power supply cord is NOT provided. TOPENS DK/DKC/DSR/DSC series sliding gate openers are recommended if you want to power your gate by batteries and solar system.

MULTIPLE PROTECTION & SAFETY】Reliable magnetic limit switch for easy adjustment. Adjustable self-close time (0/30/60/90s), adjustable stall force, max motor running time (90s), and microchip rolling code for remote keys. Built-in stop and reverse mode in case of obstruction. Equipped with manual release key in case of power outage or when you lose your remote.

WIDE APPLICATIONS】Suitable for all types of sliding gates, and perfect for driveway gates made by steel, wood, vinyl, and shaped as tube, panel, and chain-link. Typical application includes residential, commercial, and courtyard. Easy DIY installation with commonly available tools, no extra welding. Full mounting hardware and easy-to-follow instructions are included for your peace of mind. The whole installation takes just a few hours. The gear rack (rail) is Required but NOT included

TECH SUPPORT】All TOPENS products come with 1 year warranty, Life-time tech support, free system consultant service. More than a gate opener, our complimentary TOPENS Care+ Customer Support provides you comprehensive system solutions. Simply contact us via the service Email for any concerns during product installation and use. Just feel free to contact us here. We are willing to help you in anytime.

How to Power This Gate Opener?

  • Lockmaster Automatic Gate Opener is ONLY powered by AC 120-2400V electricity.
  • The power supply cord is NOT included. The power supply cord should be at least 3C×18AWG (3×0.75mm2). Connect the live wire and neutral wire to the “L” (1#) and “N” (3#) terminal respectively; and connect the earth wire to (2#) terminal.
  • TOPENS DSR600S/DSC600 and DK/DKC Series Sliding Gate Openers are recommended if you want to power your gate by batteries and solar system.
  • The tiny CR2025 3V button cell batteries that come with the package are ONLY for the remote control.


  • The gear rack (rail) is REQUIRED BUT NOT included.
  • Plastic rack reinforced with steel is compatible. TOPENS Original RNH4 Heavy Duty Nylon Gear Rack is available online on request.
  • Galvanized Steel Gear Rack is compatible. TOPENS Original SR02 Heavy Duty Steel Gear Rack is available online on request.
  • Keep the rack from any debris to ensure the smooth operation of the motor.

RK1200 Specifications & Package Contents

Lockmaster Automatic Gate Opener

SKU: XPK-5487FB43 Category: Tag:


  • Product Model: RK1200 Gate Opener
  • Motor Voltage: AC 120V
  • Motor Power: 550W, 3/4 HP
  • Max. Torque: 35Nm
  • Max. Gate Weight: 3400 lbs. (1500 kg)
  • Max. Gate Length: 40 ft. (12 m)
  • Motor Speed: 60 RPM
  • Gate Moving Speed: 8 in/s (20 cm/s)
  • Gate Opening/Closing Time: approx. 20-60 seconds depends on the gate length
  • Operation Range for the Remote Control: 65′ (20m)
  • Frequency: 433.92MHz, unique code per gate opener
  • Max. # of Remote Control Supported: 8 pcs on its own, up to 250 with the TOPENS ERM12 External Receiver that is sold separately
  • Working Temperature: -4°F to 122°F (-20℃~+50℃)
  • Sound Level: < 50 dB
  • Protection Class: IP44 – Waterproof and Dustproof
  • Overall Dimension: 11.6 x 6.1 x 13.2” (295 x 154 x 336 mm)

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