The brown RLA272T opening detector is made up of two parts: a transmitter with built-in reed sensor and a magnet. The sensor detects the opening when the magnet is separated from the transmitter.

It is installed on doors, windows, skylights, shutters, shutters, etc.

For shutters, shutters and shutters, the transmitting part can be mounted outside, on the upper jamb, taking the necessary precautions against atmospheric agents. The detector is equipped with a test button and indicator light which allow: viewing of the tolerance between magnet and transmitter; verifying good functioning; checking the connection with the control panel; verifying correct programming. Replaces the S272-22I model.