Audible Devices
504WB Vibratone® Bell Assembly
- Available in 120VAC
- Four-inch gong
- Produces 98dBa @ 10' (107dBa @ 1m)
- Type 3R enclosure
- UL and cUL Listed, CSA Certified and FM Approved

Federal Signal's Vibratone® Bells Models 504WB and 506WB are completely assembled and include the gong, vibrating AC mechanism, and the gasketed back box. These assemblies feature heavy duty, industrial grade housings and powder-coat paint treatments for added durability and performance.
These bells are offered in 120VAC.
The four inch, heavy duty gong, produces 98dBa @ 10' (107dBa @ 1m). The six inch heavy duty gong produces 100dBa @ 10' (109dBa @ 1m). Vibratone gongs are tempered to give them superior output and long lasting durability.
The Models 504WB and 506WB both contain internal terminal blocks which simplifies installation. This method also allows for an uninterrupted, single run of wiring.
These bells are UL and cUL Listed, CSA Certified and FM Approved. The entire assembly is rated for Type 3R.
Models
Part # | Description | Ship Weight | Net Weight | |
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504WB-120 | 4" Vibrating bell, 120VAC, weatherproof back box | 1.65 lbs. | 1.05 lbs. | Add to Quote > |
Accessories
Part # | Description | Ship Weight | |
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NOT APPLICABLE |
Agency
Listed By Underwriter's Laboratory (ULus) | |
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Audible signal appliance, general signal | UCST_E4813.pdf |
Listed By Underwriter's Laboratory For Use In Canada (cUL) | |
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Audible signal appliance, general signal, certified for Canada | UCST7_E4813.pdf |
Certified by CSA International | |
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Signal appliances, audible | 4812_04.pdf |
Signal appliances, audible, certified to U.S. standards | 4812_84.pdf |
Factory Mutual (FM) | |
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FM Approval Guide | FM_Approval_Guide.pdf |