Rate of Rise Heat Detectors Mircom Heat Detector, 135ºF. The System Sensor 5601A is a combination Rate-Of-Rise (ROR) and Fixed temperature detector. It triggers at a fixed temp of 135°F or if the temperature rises at a rate of 15°F (8.3°C) per minute. System Sensor 5601A Heat Detector Features: Combination Fixed temp and ROR. Triggers at a fixed temperature of 135°F System Sensor’s 5600 series mechanical heat detectors offer a low-cost means for property protection against fire, and for non-life-safety installations where smoke detectors are inappropriate. To satisfy a variety of installations, the 5600 series easily mounts to single-gang and octagonal back boxes. These models also accommodate four-square back boxes, when used with a square to round plaster ring. The mounting bracket is reversible to allow for flush and surface-mount back box installations. The 5600 series provides clear markings on the exterior of the unit to ensure that the proper detector is being used. Alphanumeric characters identify the activation method, as well as the temperature rating, in degrees Fahrenheit and Celsius. Fixed temperature models are identified “FX”, while combination fixed/rate-of-rise units are marked “FX/ROR”. The 5600 series also provides a post-activation indicator in the form of a collector. Once the detector has been activated, the collector drops from the unit, to easily identify the specific unit in alarm Circuit: Single Identification Method on Exterior: None Temperature Rating: 135°F (57°C) Activation: Fixed Temperature / Rate-of-Rise UL Protected Spacing - 10 Foot Ceiling: 50 feet × 50 feet (15.24m × 15.2m)
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