Sentinel R21 In Ground Swing Gate Operator

The Sentinel R21 In Ground Operator is a heavy duty swing gate opener suitable for large industrial gates up to 3500 mm wide.  The operator is fitted in ground under the gate hinge and can open to 180 degrees.
 
The R21 is particularly useful where you have gates fitted to large brick pillars and conventional linear gate openers cannot be fitted.

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  • IF YOU REQUIRE SOLAR POWERED OPERATION: please complete the following additional information. (Note: Solar is ONLY available with the Vantage and Bulwark VA swing gate operators)

The Sentinel R21 In Ground Swing Gate Operator features include:

  • Strong and robust:  The gearbox with machined steel gears and heavy duty bearings is enclosed in a die cast casing which is waterproof to IP67.
  • Smooth operation: The absolute encoder constantly monitors the speed and position of the gate. This allows the control panel to accurately ramp down the speed on closing providing a smooth operation and longer life.
  • Precision speed control: The option to have various operating speeds aids the flow of traffic, slow for large trucks and faster for cars.
  • Security: The strong gearbox and self locking mechanism prevents damage from vandalism as the gate cannot be forced.
  • Reliable and efficient: The revolutionary brushless motor provides much greater efficiency – with ultra low power consumption.
  • Essential safety features are covered:  Optional loop detectors and safety beams ensure vehicles and pedestrians alike are protected.
  • Foundation box: Compact and robust foundation boxes available with cover made from hot galvanized steel and AISI 304 stainless steel.
  • Intelligent release: can be released internally and externally using a standard lever or key release system.
  • Mechanical adjustable stop when closing and opening.

 

Included in the kit: two Nova radio control transmitters and one receiver, all mounting brackets, drive arms and external key release.

For more information download our product datasheet.

adobe-PDF-iconSENTINEL R21 IN GROUND SWING GATE OPERATOR  DATASHEET

 

Specifications Sentinel R21 Gate Opener

Maximum Size and Weight

Leaf Size
(Metres)

Max Weight
(Kg)

2

700

3

500

4

350

4.8

200

Power 230V AC 50Hz
Power Rating 200W
Max Thrust 300 N
Frequency of Use 30%
Operating Temperature -20+55o
Protection Level IP 67
Opening Time at 90o 19 s
Maximum Opening 180o
Power Supply Cable Length 2m
Limit Switch Mechanical stops
Gearbox Irreversible

 

For more information download our product datasheet.

adobe-PDF-iconSENTINEL R21 IN GROUND SWING GATE OPERATOR  DATASHEET