6" Fire Alarm Bell | 120V AC | 98dB | UL Listed!

SKU
AB06
One of the loudest bells on the market—perfect for security systems, schoolyards, and fire sprinkler systems. Audible from anywhere from 10 to 140 feet away, each 6", 98dB bell offers a heavy-duty steel dome, a red enamel finish, and a UL fire protection listing. Compatible with standard commercial wiring and sprinkler system flow switches. Ships within 24 hours!"
$22.95

6" Alarm Bell: 120 Volts AC (120V AC)

  • Electrically compatible with most household and commercial wiring, and ideal for flow switches & pressure switches used with fire sprinkler systems
  • Compact, loud, and outdoor-ready: perfect for security systems, schoolyards, and fire sprinkler systems
  • Easily defended against nesting birds, weather, and vandalism
  • Listed for fire safety applications by UL
  • Shipped from locations throughout the U.S. for fast arrival times
  • Buy with PayPal or our one-step checkout

How loud is this alarm bell (and how many do I need)?

Alarm bells need to be louder than ambient sound levels to be heard. From ten feet away, this 6", 98-decibel fire bell is louder than most lawnmowers. Here's how loud this bell sounds as the distance between it and the listener increases:

  • At 25 feet: 90dB—louder than many power tools
  • At 80 feet: 80dB—roughly the volume of a garbage disposal
  • At 140 feet: 75dB—more noise than a vacuum cleaner

These levels are loud enough to be heard at great distances in most businesses, restaurants, schools, and other buildings. For more information on how these estimates are calculated, check out our guide to fire bell selection.

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Which fire protection systems is this alarm bell designed for?

Most users connect this 120-volt AC alarm bell to an electronic flow or pressure switch. As part of an NFPA 13 waterflow alarm, these bells encourage people nearby to call 911—and can even direct first responders to the location of inlets serving a building's fire sprinkler or standpipe system (FDCs). They serve as occupant notification devices—signals that facilitate evacuation. In compliance with the 2019 edition of NFPA 13: Standard for the Installation of Sprinkler Systems, these 6" alarm bells:

  • Are listed (7.7)
  • Can be provided with accessories for weatherproofing and impact protection required for outdoor bells (16.11.1.2)

Typically, one fire bell or other notification appliance is required at every system riser—where water from an outside source enters a building's fire protection system. These waterflow alarms are required with every NFPA 13 system that has more than 20 sprinklers (16.11.2.1).

This alarm bell can also be used as part of an NFPA 72-compliant fire alarm system.

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Can this 6" alarm bell be used in non-fire applications (security, timekeeping, and so on)?

Absolutely. But be safe: if you’re at all unsure about doing this yourself, don’t try. Seek assistance from a qualified electrician. These high-voltage, 120-volt AC (120V AC) alarm bells are typically suitable when connecting to switches, waterflow sensors, or a building's power supply. If you're looking for a low-voltage device for use with fire alarm control panels (or other electronics that have low-voltage output), take a look at our 24-volt bells.

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Can this 6" bell be installed outdoors?

With a heavy-duty steel dome housing and red enamel finish, this 6" fire bell resists corrosion and is suitable for indoor or outdoor use. But leading fire safety codes require protection—both in the form of weatherproofing and guarding—for outdoor bells installed with fire sprinkler or fire alarm systems. You can add those to your cart above or browse our selection of fire bell accessories. For more, see the 2019 edition of NFPA 13, section 16.11.1.2 and the 2016 edition of NFPA 72, section 18.3.4.

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How do I protect this bell against sources of failure (impact, nesting birds, worn wires, etc.)?

Available accessories for this 6" 120-volt fire bell include:

  • Air-tight, weatherproof back boxes to protect wires and electronics
  • Wire bell guards that wrap around the gong to shield against (light) impact and nesting birds

Add either or both by selecting from the options at the top of this page.

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Specifications

Ordering

QRFS Part Number Availability Ships From
AB06 Ships Within 24 Hours Arizona or Virginia
Shipping Weight
1.5 lbs.

 

Dimensions

Gong Diameter Depth Base Size
6" (15 cm) 2.4" (7 cm) 4.6" (12 cm)

Electrical

Voltage Rated Current Sound Level at 10 Feet
120 Volts AC (120V AC) 46mA 98dB
Listing
UL (Audible Signal Appliances)

 

Appearance

Finish
Fire Engine Red Enamel

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More Information
Decibel Level 98dB
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