ONEGATE 3, our opinion on the motorization of the SCS Sentinel brand

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If you are looking for a motorization for your sliding gate, the OneGate 3 kit of the brand SCS Sentinel offers very good value for money. Discover our opinion on this model, its strong points, the characteristics of the engine, its installation and the accessories supplied.

  • Rack and pinion motorization
  • 12 volt motor
  • Up to 400 kg
  • 4 meters maximum length
  • 2 remote controls

The ONEGATE 3 engine from SCS Sentinel is a popular option. But before making your choice, it is crucial to compare its characteristics with other models. Check out our detailed comparison of best motor for sliding gate to see how it measures up against the competition.

Detailed product description

The composition of the OneGate 3 kit

The automation kit SCS Sentinel OneGate 3 is relatively complete. You will have everything you need to motorize your gate at no additional cost.

  • 1 motorization
  • 4 meters of rack
  • 2 remote controls
  • 1 flashing light
  • 1 installation template
  • Screws
  • The engine mounting bracket
  • The end of the race
  • The notice

Photocells are not supplied in the kit. If you have children or pets this is recommended. The photocells make it possible to detect obstacles, even before contact, and immediately stop the movement of the gate. This prevents domestic accidents.
Please note, this model does, however, have an obstacle stop in the event of contact with an object, a person or an animal.


The SCS Sentinel OneGate 3 motorization is designed for all sliding gates up to 4 meters in length and up to 400 kg. The 12-volt motor supports all types of gates, whatever their material: aluminum, wood, PCV, iron, and whether it is solid, perforated or semi-perforated.

The flashing light alerts road users when a vehicle exits. It ensures the safety of everyone on a daily basis. Stopping on obstacles is a real plus if you have children or pets.

Among the features, we also find slowing down at the end of the stroke and learning the stroke, as on all models of the SCS Sentinel brand.

Finally, in the event of a power outage, you will be able to unlock the motor manually using a key to operate your gate.

The opening

Depending on the configuration of your property, the opening can be done either to the right or to the left. If your gate is your only access, you will be delighted with the partial opening, called pedestrian opening, allowing you to open the gate partially for passage on foot, by bike or by motorbike.

The automatic closing is also a real plus. Once the vehicle has passed, the gate will close automatically.

Installation of the SCS Sentinel Opengate 3 automation

Installation of the SCS Sentinel range is relatively simple. It is done in 3 steps.

  • Mechanical installation of the rack
  • The electrical connection of the motor
  • Programming and synchronization with remote controls

Installation instructions are provided in the kit. You will also find it on the brand’s website.

Our opinion on the OneGate 3 motorization

L’OneGate 3 automation is ideal if you want to motorize your sliding gate at a lower cost with a quality system. This model offers excellent value for money. The rack is supplied, as are the accessories necessary for installation. The latter is also relatively simple if you are at least handy.

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