NavKar ARM-3K arm swing gate motor 300 kg

Swing Gate Motor Buying Guide: Arm vs Rolling Operators, Weight and Safety

Quick answer: A swing gate motor opens and closes a hinged gate automatically. Choose between an arm (linear or articulated arm) motor, which pushes and pulls the gate leaf, and a rolling (roller wheel) swing gate operator, which drives the gate along its own wheel. The most important number is your gate leaf weight: pick a motor rated clearly above it. Then check the gate width, pillar space, power supply and safety features before you buy.

Swing gates are common on Indian homes, farms, factories and societies. Automating them is easy to get wrong, because the motor must match the gate weight, the hinge position and the way the gate swings. This guide explains the choices and how to avoid common mistakes.

Swing gate vs sliding gate: which are you automating?

Point Swing gate Sliding gate
How it opens Leaf rotates on hinges Gate moves sideways on a track or wheels
Space needed Clear space for the gate to swing in or out Free wall length beside the gate
Motor type Arm motor or roller operator Rack-and-pinion sliding motor
Read more This guide Sliding gate motor guide

Arm swing gate motor vs rolling swing gate operator

Arm swing gate motor

An arm motor is fixed to the pillar and the gate. When it extends or retracts, the arm pushes or pulls the gate. It suits standard hinged gates with a pillar close to the hinge. NavKar Systems lists the ARM-3K Arm Swing Gate Motor (300 kg), which the product page describes as a single-phase 220V unit for swing gates.

Rolling (roller wheel) swing gate operator

A rolling operator drives the gate through a wheel and often suits heavier gates or places where an arm cannot be fitted. The SWM-700 Automatic Rolling Swing Gate Opener is listed for gates up to 700 kg, with a DC motor and roller wheel.

Point Arm motor Rolling operator
Typical use Lighter to medium hinged gates Heavier gates or tight pillar spaces
Fitting Needs space for the arm at pillar and gate Needs a suitable gate bottom and flat ground for the wheel
Check Weight rating and arm travel Weight rating and ground surface

Ratings quoted on product pages are the maker's limits for ideal conditions. Leave a safety margin, especially for gates that catch wind or have solid panels.

How to size a swing gate motor

  1. Weigh or estimate each leaf. A solid MS or wooden leaf is heavy. Ask your fabricator for the weight.
  2. Measure the leaf width. Long leaves put more load on the motor.
  3. Note single or double gate. Double gates need two motors.
  4. Check wind exposure. Solid gates in windy places need more power.
  5. Check hinge condition. Rusty or sagging hinges overload any motor. Fix the gate first.
  6. Choose a motor with margin above the heaviest leaf.

Controls and extras

Safety: do not skip this

  • Fit safety sensors wherever people, children or vehicles may pass.
  • Keep a manual release so the gate can be opened during a fault or power cut.
  • Keep the gate path free of stones and clutter.
  • Do not allow children to play near an automatic gate.
  • Use a qualified person for electrical work.

Installation checklist

  1. Check pillars and hinges are strong and level.
  2. Decide where the control box and power supply will sit, protected from rain.
  3. Plan cable routes in conduit.
  4. Set limit positions so the gate stops without hitting the stoppers hard.
  5. Test with a person watching the full travel, and test the sensors.
  6. Give residents a short demonstration of the manual release.

Frequently asked questions

Can I automate any swing gate?

Most hinged gates can be automated if they are in good condition and swing freely. A gate that jams, sags or rubs the ground should be repaired first.

How do I choose between a 300 kg and a 700 kg motor?

Use the weight of the heaviest leaf, then pick a motor rated well above it. A heavier or windier gate points towards the stronger model, but check the type of operator too.

Will the gate work during a power cut?

Only with battery backup. Otherwise use the manual release to open the gate.

Can I open the gate from my phone?

Yes, by adding a Wi-Fi relay or GSM controller, if it is compatible with your motor's control input. Check the manual or ask before buying.

Shop Gate Automation at NavKar Systems

Need motors for several gates or a society? Send us your gate details through our bulk enquiry page.

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