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55-024-1 - Federal Signal Horn, 24VAC, resonating<BR><BR> <B>Overview:</B> <BR><BR> The Federal Signal Models 55 and 56 are electric horns that produce sound by means of a diaphragm, which resonates a column of air. Because the output is greater than that of a vibrating horn resonating horns can be used wherever a louder, more powerful signal is required. <BR><BR> Both models feature corrosion-resistant cast aluminum housings with a brass projector. These projectors are designed to match the frequency of the vibrating diaphragm to produce a smooth musical tone. The housings are tapped for 1/2-inch conduit (swivel bracket included). <BR><BR> Models 55 and 56 are finished in gray enamel and equipped with a straight projector. These weatherproof horns are water- and dust-tight when installed with conduit. <BR><BR> Model 55 is also UL (Underwriters Laboratories) Listed and CSA (Canadian Standards Association) Certified for indoor/outdoor use. Both models are FM Approved. Models 55 and 56 have a duty cycle of five minutes on, five minutes off. <BR><BR> Models 55 and 56 are ideal for both indoor and outdoor use. They require minimum maintenance; their rugged designs seal out corrosive dust and vapors. Both models have sufficient output to penetrate through high ambient noise levels. <BR><BR> <B>Features:</B><BR><BR> <LI> Resonated column of air generates sound <LI> Produces 105dBa @ 10' (115dBa @ 1m) <LI> Indoor/outdoor use <LI> FM Approved <LI> Model 55 (120VAC) is UL Listed and CSA Certified <BR><BR> <img class="pdficon" alt="pdf" src="/v/vspfiles/assets/images/pdf-20x20.jpg">Download the <a href="/v/vspfiles/pdf/datasheet/FederalSignal/55-56-Datasheet.pdf">55-024-1</a> Datasheet in PDF format</p><BR><BR> <img class="pdficon" alt="pdf" src="/v/vspfiles/assets/images/pdf-20x20.jpg">Download the <a href="/v/vspfiles/pdf/datasheet/FederalSignal/55-56-InstructionSheet.pdf"> 55-56 Resonating Horn </a>Instruction Sheet in PDF format</p><BR><BR550241