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CR-135-W - Potter Fixed Temperature and Rate of Rise Heat Detector 135

CR-135-W - Potter Fixed Temperature and Rate of Rise Heat Detector 135
Manufacturer:  Potter  SKU:  CR-135-W
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I bought two of these units. One for my kitchen and the other I installed in my garage.

Price:  $13.50

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Heat Detector Series

The Thermoflex(R) product group includes standard detectors as well as detectors for hazardous locations and moistureproof
applications.Each detector is available in single or multiple circuits with open and/or closed contact configurations. The prefix "CR" in the model number denotes rate of rise and fixed temperature operation.

Model CF 135W
The CF135W is a fixed temperature only detector. The fixed temperature portion consists of a springloaded plunger retained by a fusible alloy that releases when the ceiling temperature reaches 135deg.F (57deg.C). When released, the plunger strikes a normally open set of contacts and holds them closed. Spacing on an uninterrupted ceiling is 40' (12.5m). The CF135 is identified by a black dot on its heat collector fin.


  • UL and ULC Listed
  • Contact Ratings:
    3 Amps at 125 VAC
    1Amp at 28 VDC
    0.3 Amps at 125 VDC
    0.1 Amps at 250 VDC
  • Dimensions: Diameter 5.25" (13.4cm)
  • Height 2" (4.85cm)
  • Weight: 0.41 lbs. (330 grams)
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