Edwards Signaling CR135-2 Heat Detector 03/03 Detector mounting bases have wiring

Detector mounting bases have wiring terminals that are accessible from the "room-side" after mounting the base to the electrical box

The MR800 Series relays offer SPDT 10 Amp contacts which may be operated by one of three input control voltages: 24 Vdc

In addition they have a trouble memory feature that displays past troubles (by NAC) for rapid diagnostics

Or fire alarm applications

The GHLF is a high quality

Edwards Signaling CR135-2 Heat Detector 03/03 Detector mounting bases have wiringThe CR series detectors are installed in areas where rapid increases in ceiling temperature are not expected. Such locations include dwelling units, storage cupboards, electrical closets, material storage rooms, shafts (other than stairwells), transformer vaults, electrical rooms, and sprinkler rooms.