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Model CR-135-W detectors are dual-action type, that will respond to a rate of temperature increase at the ceiling of 15 Fahrenheit degrees per minute (8.4 Celsius degrees per minute). These detectors will also respond when the fixed temperature (non-restorable) threshold is exceeded. Dual-action detectors are installed in areas where rapid fluctuations in ceiling temperature are not expected.
SR ELECTRO THERMAL LINK (ETL®) is a UL listed, dual-responsive fusible link and release device designed to substantially improve life safety and minimize property damage. It creates an instantaneous fusible link response and separation in the event of fire. The etl has a protruding cylinder to house the heating element and attachment wires, and to provides a means to attach a standard EMT conduit connector adapter. Load range 2 lbs. - 40 lbs. Manufactured by Globe.
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