Edwards Signaling 438D-8N5 Vibrating Fire Alarm Bell 8" 120 V 60 HZ Diode 438D-8N5

Features ul style"margin-top0px; padding-top 5px; padding-bottom 5px;" 6" (152 mm) 8" (203 mm) and 7" (254 mm) gong sizes heavy duty die cast housing rugged compact mechanism rated for outdoor use with optional back box under dome mechanism the edwards fire alarm bells are diode polarized vibrating bells designed for use with fire alarm control equipment. Gongs are made of select alloy steel to sound the loud resonant tone required in fire alarm systems. Epoxy powder coated red. Supplied mounting plate installs directly on surface or on any single gang box or on any 3 1/2" (89mm) or 4" (72mm) octagon or 4" (72mm) square electrical box. For outdoor installation use edwards cat no. 449 weatherproof back box. The 438d and 439d fire alarm bells are audible signaling appliances for installations that operate in conjunction with an installed fire alarm panel and detection devices..

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