System Sensor RTS451KEY Remote Test Station, Key Switch SF 10/02 and stairwell doors

and stairwell doors

and public buildings

Mule Pro-MX EPS 2019

each installation can be fine-tuned to ensure reliable coverage without false alarms

Thunderbird Commander 2014-2017

System Sensor RTS451KEY Remote Test Station, Key Switch SF 10/02 and stairwell doorsThe System Sensor RTS451KEY(A) is an automatic fire detector accessory designed to test remotely located duct and beam detectors. For 4 wire detectors, the RTS451KEY features a multi colored LED that alternates between steady green and red. Green indicates power and that the detector board is in place. Red indicates alarm. For 2 wire detectors, the LED will show red for alarm. Consult the detector installation instructions for additional information.