Edwards Signaling 156G Series General Purpose Bell, 4" Bell

Self-contained underdone monitor bell. Weatherproof, insulated, and grounded vibrating bell with concealed plunger. Mounts on 3 3/4" (95mm) bolt circle. For low cost, light duty installations in factories, institutions, offices, and OEMs. Uses include doorbells, extension signals, warning bells and annunciation. Suitable for AC systems with battery backup. Features

• 3" , 4" and 6" gong sizes
• Low current drain permits long wire runs
• Supplied with weatherproof gasket for outdoor applications
• Corrosion resistant gray finish