Potter Electric Signal CR-135W - Fixed Temperature and Rate-of-Rise Heat Detector, 135F.
The CR-135W is a combination rate-of-rise and fixed temperature detector. The fixed temperature portion consists of a spring-loaded plunger retained by a fusible alloy that releases when the ceiling temperature reaches 135°F (57°C). When released, the plunger strikes a normally open set of contacts and holds them closed.
The Thermoflex product group includes standard detectors as well as detectors for hazardous locations and moisture-proof 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.
Features:
- UL and ULC Listed
- Combination rate-of-rise and fixed temperature operation
- Operates when ceiling temperature reaches 135°F (57°C)
- Normally open (NO) contacts
- Terminal bar with screws for easy wiring
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