# SR 910 Concealed Automatic Door Closer Operator

The automatic door operator operates according to the following basic procedure:

* Trigger signal from control device → Unlock → Door opening → Stop at 90° to complete opening

* Door hold → Door closing → Closing buffer deceleration → Locking → Door fully closed

* During the closing process, if an opening signal is received, the door operator will immediately perform the opening action

* Optional compatibility with various standard automatic door safety devices, such as opening sensors and access control equipment

## Features and Parameters of Door Operator

Suitable for: Single swing doors with weight up to 150kg and width under 1200mm

Working Voltage: 110VAC or 220VAC, 50～60Hz

Door Opening Angle: Adjustable from 60° to 200°

Automatic Opening Speed: Adjustable 15～45°/s

Automatic Closing Speed: Adjustable 15～45°/s

Door Hold Time: Adjustable 0～60 seconds

Safety Performance: Built-in overheating, overvoltage and overcurrent automatic protection, as well as obstacle detection automatic reversal protection

Power Rating: Rated Power: 45W; Standby Power: 5.5W

Overall Dimensions: 335mm (L) × 83mm (W) × 96mm (H)