System Sensor RTS151 Remote Test Station Fire Alarm

System Sensor RTS151 remote test station enables remote testing of duct smoke detection from an accessible location, supporting HVAC and fire alarm systems in commercial buildings, industrial facilities, and air-handling units for repair, retrofit, expansion, and replacement. The unit is mountable in single-gang electrical boxes and can be wall- or ceiling-mounted with a minimum box depth of 2.5 in (63.5 mm). Activation is magnet-actuated, and a red alarm LED indicates status, with the LED operating voltage from 2.8 to 32 VDC and a maximum current of 12 mA. The test switch is rated at 10 VA at 32 VDC, total current consumption is up to 105 mA, and it supports selected 2-wire and 4-wire System Sensor duct smoke detectors. Common replacements include RTS151KEY, RTS451, and RTS2-AOS.