Short answer
A sliding gate motor is chosen according to the weight of the gate and how many times a day it will open; if the gate does not slide smoothly on its track, the mechanical problem must be fixed first. For a swing gate, the leaf length, the hinge structure, and the area the gate will swing into are decisive. Both types need a photocell and a way to open the gate manually during a power outage.
First look at the gate itself
A motor automates a gate that works properly. It does not fix a gate that works badly. If a sliding gate catches on its track, its wheels are worn, or the gate leans to one side, the motor struggles to overcome this resistance and its life is shortened.
Before buying a motor, open and close the gate by hand. A sliding gate should slide with one hand and without jolting. A swing gate should turn on its hinge without noise and should not move on its own where it is left. If these are not met, a metalworker or the installer should adjust the gate first.
If you are having a new gate made, plan the motor from the start. Tell the metalworker which motor will be fitted; if the profile the rack will attach to, the base the motor will sit on, and the cable conduit are prepared while the gate is being made, no welding or breaking is needed later.
Expert note: If a motor will be fitted to an old gate, have the condition of the track, wheels, and upper guide rollers written down at the quote stage. If a part that needs replacing turns up later, the job takes longer.
Sliding gate or swing gate?
The garden often decides the gate type. A sliding gate needs empty wall or fence beside the gate as long as the gate itself; the gate slides into this space as it opens. A swing gate turns inward or outward, and there must be no vehicle, planter, or sloping ground in its swing area.
On sloping entrances, a swing gate can scrape the ground. A sliding gate needs a straight track line. For wide and heavy gates, a sliding gate usually works more trouble-free, because the wheels carry the weight and the motor only pushes the gate. On a swing gate the weight falls on the hinges, and the wind pushes on the leaf like a sail.
What to look at in a sliding gate motor
Sliding gate motors are classified by the gate weight they can carry. If you do not know the approximate weight of your gate, the installer estimates it from the material and size; a solid sheet or wrought iron gate is much heavier than a thin-profile gate of the same size. Do not choose a motor right at the limit of the gate's weight; leave a margin. The length of the gate also counts; on a long gate the rack is longer and more power is needed for the gate to accelerate.
How many times the gate will open is also important. The garden gate of a single home and the vehicle gate of a housing estate with many apartments should not use the same motor. For frequently opened gates, a motor suited to continuous operation is chosen.
- Carrying capacity: must be higher than the gate weight.
- Duty class: residential type, or suitable for heavy use?
- Rack (toothed rail): must be mounted straight and at the correct height along the gate.
- Limit setting: the mechanical or magnetic switch.
- Obstacle detection: when the gate presses against an obstacle, it should stop and reverse.
- Manual release lock: the key that disengages the motor from the gate when the power goes out.
What to look at in a swing gate motor
There are two common motor types for swing gates. Arm (piston) motors are attached to the inner face of the leaf and the post and open the leaf by pushing it. Underground motors are buried in the ground at the hinge point and are invisible. An underground motor looks clean, but installation takes more work and the box it is buried in must not collect water; in a box without drainage, rainwater ruins the motor.
With an arm motor, the mounting dimensions are critical. The width of the post and the distance of the hinge from the post decide whether the motor can open the leaf fully. On thick stone posts, an arm motor sometimes does not fit; in that case an articulated-arm motor or an underground motor is considered.
On double-leaf gates, two motors work together. If one leaf overlaps the other, the control board opens and closes one leaf with a short delay. If this setting is not made, the leaves hit each other.
Photocell, warning light, and remote control
An automatic gate does not know that a child, a bicycle, or a vehicle may be in front of it as it closes. The photocell watches this gap and stops the gate or reopens it when the beam is blocked. A warning light that flashes while the gate moves also warns pedestrians and drivers. If these two parts appear as separate items in the quote, do not remove them.
For remote control, a handheld remote is the most common solution. Opening by phone, a coded keypad, or integration with a video intercom is also possible. Ask the installer to show you the memory erase and new remote enrollment steps so you can delete a lost remote from the receiver.
Common installation mistakes
The most common mistake is choosing the motor by budget rather than by the gate. A motor working at the limit of its capacity looks trouble-free in the first months, then its gears wear or its board burns out. The second mistake is not mounting the rack straight on the gate. If the rack presses too hard on the motor gear at one end and is loose at the other, the gate slides with jolts and makes noise.
On sliding gates, the mechanical stoppers that keep the gate from hitting the end of the track are also forgotten. If the limit switch fails one day, these stoppers are the last obstacle that will stop the gate. On swing gates, a ground stop is fitted so the leaf does not slam in the wind when open.
The power line should be fed from a separate fuse and should reach the motor through a junction box that does not take in water. The garden irrigation sprinkler must not spray water on the motor or the control box. Cables should not be buried directly in the soil; they should go through a pipe. These details are not noticed on installation day, but they come back as a failure in the first winter or the first irrigation season.
What does the price depend on?
The price of a gate motor varies with the gate type, the weight, the motor class, the accessories, and whether the gate is ready. If the gate needs track replacement, welding, or post correction, this is added to the job. That is why it would not be right to give a firm figure over the phone; it is necessary to look on site and give a written quote.
In Şanlıurfa's summer heat, the motor body gets direct sun. Check the operating temperature range stated by the manufacturer and, if possible, have the motor mounted on the side that stays in shade. In dusty areas, periodic cleaning of the sliding gate track and rack eases the load on the motor.
Desa Bilişim installs sliding and swing gate automation in homes and housing estates. We can see your gate on site and tell you which motor is suitable.
Frequently asked
Can a motor be fitted to my existing garden gate?
In most cases it can. The gate must slide or swing properly, and the track and hinges must be sound. The installer looks on site and writes the needed corrections in the quote.
How do I open the gate when the power goes out?
The motor has a key-operated manual release (clutch) lock. When you unlock it, the motor disengages from the gate and you push the gate by hand. Battery-backed models keep running for a while during an outage.
How often does a gate motor need maintenance?
It depends on how heavily it is used. Cleaning the track and rack, checking the photocell, and adjusting the limit and obstacle detection are done during periodic maintenance. For heavily used housing estate gates, the maintenance interval is kept shorter than for homes.
Let's choose the right motor for your gate on site
Send a photo and the dimensions of your gate, and we will review it and prepare a written quote.
