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Gamewell-FCI 302-EPM-135 Heat Detector, 135°F Explosion-Proof Mounting, UL (See Note*).
The Thermotech 302 Series Rate Compensation Heat Detectors are normally-open devices designed especially for fire detection and alarm systems. The 302 Series operates within a controlled range of two to three degrees of their set points, regardless of the speed or rate of temperature rise.
Principles of Operation - The 302 Series rate-compensation heat detectors respond and activate the fire alarm immediately whenever the ambient temperature reaches the preset temperature setting. Under rapid heat rise conditions, the rate-compensation feature enables the detector to respond one to three degrees ahead of the setting. At the same time, however, it does not respond to momentary temperature fluctuations below the selected protection level, thus eliminating false alarms. When temperature drops back down below the protection level, the detector automatically resets itself.
Application Information - The 302 Series detectors have a smooth-ceiling UL rating of 50' x 50' (15.24 x 15.24 meters) and they are the only type of heat detectors having such a rating on both fixed temperature and rate compensation.
Note: Explosion-proof for installation in hazardous locations. Has hexagonal wrench grip bushing with 1/2" (1.27 cm) conduit threads for attachment to threaded hub cover of Series JL fixture fitting as manufactured by Killark Electric Co., or equal.
- Initiates an immediate response. The 302 Series activates whenever ambient air temperature reaches a detector's setting, eliminating the thermal time lag inherent in conventional heat detectors.
- Eliminates false alarms. The 302 Series do not respond to momentary temperature fluctuations below the selected temperature.
- Supports universal application. The 302 Series can be used in all areas for any type of occupancy.
- Built with a hermetically sealed, shock resistant corrosion resistant, and tamper-proof
|Dimensions:||Total overall length: 4-1/8" Base diameter: 2"|
|Electrical Ratings:||Voltage: 6-125 VAC Current: 5 amps||Voltage: 6-25 VDC Current: 1 amp||Voltage: 125 VDC Current: 0.5 amp|