Edwards Signaling CR135-2 Heat Detector 03/03 The MR800 Series relays offer

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

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Or fire alarm applications

The SAN annunciator is not only an annunciating device but may be configured as a system control center

If this applies to you

Edwards Signaling CR135-2 Heat Detector 03/03 The MR800 Series relays offerThe 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.