Edwards 439D-6AW fire alarm bells are diode polarized, vibrating bells for use with fire alarm equipment. They operate in conjunction with an installed fire alarm panel and detection devices. The steel alloy gongs are red epoxy powder finish and produce a loud, resonant tone required in fire alarm systems.
- 6" gong sizes
- Heavy duty die cast housing
- Steel alloy gong with red epoxy powder coating
- Back box available for use in outdoor applications