Notifier 302 Series Rate-Anticipation Heat Detectors

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302 Series Heat Detectors Thermotech 302 Series rate anticipation heat detectors within a controlled range of two to three degrees of set points regardless of the speed or rate of temperature These detectors are available in either 135 57.2 or 90 ratings 302 Series are normally open devices designed espe for fire detection and alarm systems response The 302 Series activate whenever air temperature reaches a detector setting elimi the thermal time lag inherent in conventional heat Eliminates false alarms The 302 Series do not respond momentary temperature fluctuations below the selected Universal application The 302 Series can be used in all for any type of occupancy Self restoring Hermetically sealed Shock resistant corrosion resistant tamper proof Of Operation 302 Series rate anticipation heat detectors respond and the fire alarm immediately whenever the ambient tem reaches the preset temperature setting Under rapid rise conditions the rate anticipation feature enables the to respond one to three degrees ahead of the setting the same time however it does not respond to momentary fluctuations below the selected protection level eliminating false alarms When temperature drops back below the protection level the detector automatically itself Model 302 overall length 4 1 8 10.48 cm diameter 2 5.08 cm Ratings amps 125 VDC amp 25 VDC VDC amp Information Series detector have a smooth ceiling UL rating of 50 x 15.24 x 15.24 meters and are the only type of heat detec having such a rating on both fixed temperature and rate I 307 Initiating Devices Listings and Approvals listings and approvals apply to the modules specified in document In some cases certain modules or applications not be listed by certain approval agencies or listing may in process Consult factory for latest listing status UL Listed S539 302 AW 135 194 302 ET 135 194 FM Approved 302 ET 135 194 CSFM 7270 0021 001 View 12 23 08 Page 1 of 2 Model 302 Series Rate Anticipation Heat Detectors Number Interior Vertical Mounting Interior Vertical Mounting All Weather Vertical Mounting All Weather Vertical Mounting All Weather Vertical Mounting All Weather Vertical Mounting Explosion Proof Mounting Explosion Proof Mounting white plastic adaptor plate for mounting 302 and 302 AW to 4 outlet box To 1 below 2 below 3 below 4 below 1 For interior mounting in any atmosphere that is compatible with terminal screw type connections UL rating 50 x 50 15.24 x meters 2 Hermetically sealed for moisture proof or dust proof installations Requires no special backbox when the all weather leads are spliced to or equivalent type wire 3 Hermetically sealed for moisture proof or dust proof installations Requires no special backbox Has plastic hexagonal wrench bushing with 1 2 1.27 cm conduit threads for attachment to threaded hub cover or any outlet box 4 Explosion proof for installation in hazardous locations Has hexagonal wrench grip bushing with 1 2 1.27 cm conduit threads attachment to threaded hub cover of Series JL fixture fitting as manufactured by Killark Electric Co or equal is a registered trademark of Honeywell International Inc by Honeywell International Inc All rights reserved Unauthorized use this document is strictly prohibited document is not intended to be used for installation purposes We try to keep our product information up to date and accurate cannot cover all specific applications or anticipate all requirements specifications are subject to change without notice more information contact Notifier Phone 203 484 7161 FAX 203 484 7118 in the U S A 2 of 2 dn 1271 A1 12 23 08

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