About Sound Levels
To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.
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Washdown Buzzers
Buzzers meet NEMA 4X for protection and corrosion resistance in washdown environments.
Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | For Panel Cutout Ht. | For Panel Cutout Wd. | Fasteners Included | Environmental Rating | Each | |
With 2 Wire Leads | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24V AC | 0.9 A @ 24 V AC | 94-100 dB @ 10 ft. | Continuous | 5 5/8" | 5 5/8" | 2 3/8" | Zinc | 3 1/8" | 3 1/8" | Yes | NEMA 12, NEMA 4X | 0000000 | 0000000 |
| 120V AC | 0.22 A @ 120 V AC | 94-100 dB @ 10 ft. | Continuous | 5 5/8" | 5 5/8" | 2 3/8" | Zinc | 3 1/8" | 3 1/8" | Yes | NEMA 12, NEMA 4X | 0000000 | 000000 |
With 4 Wire Leads | |||||||||||||
| 24V DC | 0.25 A @ 24 V DC | 99 dBA @ 10 ft. | Continuous | 4 1/8" | 4 1/8" | 2 7/8" | Polycarbonate | 3 1/8" | 3 1/8" | Yes | NEMA 4X | 0000000 | 000000 |
| Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | Conduit Size | Thread Type | Fasteners Included | Includes | Environmental Rating | Each | |
With Screw Terminals | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 120V AC | 0.18 A @ 120 V AC | 94-100 dB @ 10 ft. | Continuous | 4 1/2" | 4 1/2" | 3 3/8" | Aluminum | 3/4 | NPT | Yes | Outlet Box | NEMA 4X | 0000000 | 0000000 |
With 2 Wire Leads | ||||||||||||||
| 24V AC | 0.9 A @ 24 V AC | 94-100 dB @ 10 ft. | Continuous | 4 1/2" | 6" | 3 5/8" | Zinc | 1/2, 3/4 | NPT | Yes | Outlet Box | NEMA 4X | 0000000 | 000000 |
With 4 Wire Leads | ||||||||||||||
| 24V DC | 0.25 A @ 24 V DC | 99 dBA @ 10 ft. | Continuous | 4 3/8" | 5" | 3 7/8" | Polycarbonate | 3/4 | NPT | Yes | Outlet Box | NEMA 4X | 0000000 | 000000 |
Buzzers
Mount Style A and B buzzers using outlet boxes (sold separately).
| Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | Fasteners Included | Includes | For Panel Cutout Height | For Panel Cutout Width | UL File Number | Each | ||
With 2 Wire Leads | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 24V AC | 0.63 A @ 24 V AC | 78-103 dBA @ 10 ft. | Continuous | 6 1/2" | 6 1/2" | 1 1/4" | Zinc | Yes | Mounting Plate | 4 3/16" | 4 3/16" | E4186 | 0000000 | 0000000 |
| A | 120V AC | 0.13 A @ 120 V AC | 78-103 dBA @ 10 ft. | Continuous | 6 1/2" | 6 1/2" | 1 1/4" | Zinc | Yes | Mounting Plate | 4 3/16" | 4 3/16" | E4186 | 0000000 | 000000 |
| B | 120V AC | 0.18 A @ 120 V AC | 94-100 dB @ 10 ft. | Continuous | 4 1/16" | 4 1/16" | 2 1/8" | Zinc | Yes | __ | __ | __ | __ | 0000000 | 000000 |
With 4 Wire Leads | |||||||||||||||
| C | 24V DC | 0.22 A @ 24 V DC | 99 dBA @ 10 ft. | Continuous | 4 1/8" | 4 1/8" | 2 7/8" | Polycarbonate | Yes | __ | 3 1/8" | 3 1/8" | __ | 0000000 | 000000 |
With Screw Terminals | |||||||||||||||
| B | 24V AC | 0.63 A @ 24 V AC | 78-103 dBA @ 10 ft. | Continuous | 5" | 5" | 2 1/8" | Zinc | Yes | Mounting Plate | __ | __ | E4186 | 0000000 | 000000 |
Hazardous Location Buzzers
Buzzers are UL Listed for Class I, Divisions 1 and 2, Groups B, C, and D; Class II, Divisions 1 and 2, Groups E, F, and G; and Class III, Divisions 1 and 2 environments where flammable gases, combustible dust, and combustible fibers may be present.
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | Conduit Size | Thread Type | Fasteners Included | No. of | Dia. | Includes | Each | |
With 3 Wire Leads | |||||||||||||||
| 24V DC | 0.16 A @ 24 V DC | 97 dBA @ 10 ft. | Continuous | 7 5/8" | 7 3/8" | 4 1/4" | Zinc | 3/4 | NPT | No | 2 | 3/8" | Two Mounting Brackets | 0000000 | 000000000 |
| 120V AC | 0.13 A @ 120 V AC | 100 dBA @ 10 ft. | Continuous | 7 5/8" | 7 3/8" | 4 1/4" | Zinc | 3/4 | NPT | No | 2 | 3/8" | Two Mounting Brackets | 0000000 | 00000000 |
Multiple-Tone Buzzers
| Voltage | Current | Volume | Environment | Sound Pattern | Ht. | Wd. | Dp. | Material | Fasteners Included | Specifications Met | Each | |
With 2 Wire Leads | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24V AC 24V DC | 0.07 A @ 24 V DC 0.22 A @ 24 V AC | 88 dBA @ 10 ft. | Outdoor | Continuous | 4 1/2" | 4 1/2" | 3 1/2" | Plastic | Yes | C-UL Listed, California Fire Marshal Approved, UL Listed | 0000000 | 0000000 |
| 120V AC | 0.04 A @ 120 V AC | 88 dBA @ 10 ft. | Outdoor | Continuous | 4 1/2" | 4 1/2" | 3 1/2" | Plastic | Yes | C-UL Listed, California Fire Marshal Approved, UL Listed | 0000000 | 000000 |
Adjustable-Volume Multiple-Tone Horns
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | Conduit Size | Thread Type | Gender | Fasteners Included | No. of | Dia. | Each | |
With Screw Terminals | |||||||||||||||
| 24V AC 24V DC | 1.1 A @ 24 V AC 1.1 A @ 24 V DC | 0-110 dBA @ 10 ft. | Continuous Pulse | 12 1/2" | 8" | 8 1/2" | Aluminum | 1/2 | NPT | Female | No | 2 | 3/16" | 0000000 | 0000000 |
| 120V AC | 0.3 A @ 120 V AC | 0-110 dBA @ 10 ft. | Continuous Pulse | 12 1/2" | 8" | 8 1/2" | Aluminum | 1/2 | NPT | Female | No | 2 | 3/16" | 0000000 | 000000 |
Trumpet-Style Horns
Electric horns produce a continuous signal; for a noncontinuous signal interrupt the voltage from the power supply.
The 304 stainless steel horns have excellent corrosion resistance.
Air-powered horns operate without electricity.
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | Volume | Lg. | Wd. | Ht. | Material | Conduit Size | Thread Type | Gender | Fasteners Included | No. of | Dia. | Specifications Met | Each | |
With 2 Wire Leads | |||||||||||||||
| 12V DC | 4 A @ 12 V DC | 120 dB @ 1 m | 16 1/2" | 4" | 4 3/4" | 304 Stainless Steel | __ | __ | __ | No | 4 | 1/4" | __ | 0000000 | 0000000 |
| 24V DC | 2 A @ 24 V DC | 120 dB @ 1 m | 16 1/2" | 4" | 4 3/4" | 304 Stainless Steel | __ | __ | __ | No | 4 | 1/4" | __ | 0000000 | 000000 |
| 24V DC | 3 A @ 24 V DC | 106 dBA @ 10 ft. | 19 3/4" | 8" | 8" | Aluminum/Brass | 1/2 | NPT | Female | No | 2 | 3/8" | FM Approved | 0000000 | 000000 |
With 3 Wire Leads | |||||||||||||||
| 120V AC | 0.75 A @ 120 V AC | 105 dBA @ 10 ft. | 19 3/4" | 8" | 8" | Aluminum/Brass | 1/2 | NPT | Female | No | 2 | 3/8" | CSA Certified, FM Approved, UL Listed | 0000000 | 000000 |
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volume | Sound Pattern | Lg. | Wd. | Ht. | Material | Air Consumption | Operating Pressure | Conduit Size | Thread Type | Gender | Fasteners Included | No. of | Dia. | Each | |
| 139 dBA @ 1 m | Continuous | 10 1/8" | 6 3/4" | 8 5/8" | Aluminum | 0.5 cfs @ 100 psi | 50-150 psi | 1/2 | NPT | Female | No | 4 | 9/16" | 0000000 | 0000000 |
| 131 dBA @ 1 m | Continuous | 17 1/8" | 6 3/4" | 6 7/8" | Brass/Bronze | 0.2 cfs @ 100 psi | 50-200 psi | 1/8 | NPT | Female | No | 2 | 5/16" | 0000000 | 000000 |
Dual Trumpet-Style Horns
Electric horns produce a continuous signal; for a noncontinuous signal interrupt the voltage from the power supply. They are 304 stainless steel and have excellent corrosion resistance.
Air-powered horns operate without electricity.
Mounting Holes | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volume | Lg. | Wd. | Ht. | Material | Air Consumption | Operating Pressure | Conduit Size | Thread Type | Gender | Fasteners Included | No. of | Dia. | Each | |
| 133 dBA @ 3.3 ft. | 22 3/4" | 11 5/8" | 7 1/4" | Brass/Bronze | 0.3 cfs @ 100 psi | 50-200 psi | 1/8 | NPT | Female | No | 4 | 5/16" | 0000000 | 0000000 |
Hazardous Location Multiple-Tone Horns
Horns are UL and C-UL listed for indoor and outdoor use in Class I, Division 2, Groups A, B, C, and D; Class II, Division 2, Groups F and G, and Class III, Division 2 hazardous locations. You can select up to three programmable tones, each corresponding to a different warning. If multiple signals are triggered at once, only the highest priority signal will sound.
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Programmable Tones | Voltage | Current | Volume | Sound Pattern | Ht. | Wd. | Dp. | Material | No. of Knockouts | Knockout Trade Size | Fasteners Included | No. of | Dia. | Each | |
Terminal Block | |||||||||||||||
| 3 | 240V AC 120V AC 24V DC | 0.5 A @ 24 V DC 0.21 A @ 120 V AC 0.12 A @ 240 V AC | 110.5 dBA @ 10 ft. | Continuous | 13.9" | 10.2" | 10" | Aluminum | 2 | 1/2 | No | 4 | 3/16" | 0000000 | 000000000 |
Multiple-Tone Horns
| Voltage | Current | Volume | Environment | Sound Pattern | Ht. | Wd. | Dp. | Material | Fasteners Included | Specifications Met | Each | |
With Screw Terminals | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24V DC 120V AC 240V AC | 0.5 A @ 24 V DC 0.21 A @ 120 V AC 0.12 A @ 240 V AC | 110.5 dBA @ 10 ft. | Indoor, Outdoor | Continuous | 13 7/8" | 10 3/16" | 10" | Aluminum | No | C-UL Listed, UL Listed | 0000000 | 0000000 |
Multiple-Tone Sirens
Sirens can emit both continuous and pulse tones—pulse tones alternate on/off to draw greater attention than continuous tones.
Mounting Holes | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | Volume | Environment | Dia. | Dp. | Material | No. of Knockouts | Knockout Trade Size | Fasteners Included | No. of | Dia. | Includes | Each | |
With Screw Terminals | ||||||||||||||
| 120V AC, 240V AC | 0.01 A @ 240 V AC 0.02 A @ 120 V AC | 64-113 dBA @ 10 ft. 55-89 dBA @ 100 ft. | Outdoor | 3 5/8" | 2 7/8" | Plastic | 3 | 3/4 | No | 4 | 1/4" | Outlet Box | 000000000 | 0000000 |
| 9-30V DC | 0.03 A @ 24 V DC 0.06 A @ 12 V DC | 64-113 dBA @ 10 ft. 55-89 dBA @ 100 ft. | Outdoor | 3 5/8" | 2 7/8" | Plastic | 3 | 3/4 | No | 4 | 1/4" | Outlet Box | 000000000 | 000000 |
Motor-Driven Sirens
The built-in motor-driven fan in these sirens generates a shrill tone that's audible over long distances. Sirens emit a continuous tone. They have a shock- and corrosion-resistant housing, so they're approved for use on U.S. Navy ships.
Mounting Holes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | Volume | Dia. | Lg. | Material | Conduit Size | Thread Type | Gender | Fasteners Included | No. of | Dia. | Includes | Specifications Met | Each | |
With 2 Wire Leads | |||||||||||||||
| 120V DC 120V AC | 2.5 A @ 120 V DC 2.5 A @ 120 V AC | 113 dBA @ 10 ft. 89 dBA @ 100 ft. | 8 1/2" | 15 3/8" | Powder-Coated Aluminum | 1/2 | NPT | Female | No | 2 | 5/16" | 1/2 NPT Threaded Male Conduit Fitting, Mounting Bracket | UL Listed | 0000000 | 0000000 |
| 240V DC 240V AC | 1.7 A @ 240 V DC 1.7 A @ 240 V AC | 113 dBA @ 10 ft. 89 dBA @ 100 ft. | 8 1/2" | 15 3/8" | Powder-Coated Aluminum | 1/2 | NPT | Female | No | 2 | 5/16" | 1/2 NPT Threaded Male Conduit Fitting, Mounting Bracket | __ | 0000000 | 000000 |
Sirens
Surface mount using included hardware or an outlet box (sold separately).
For technical drawings and 3-D models, click on a part number.
Disposable Air Horns
Toss this pocket-size air horn when it runs out of air.
| Volume | Sound Pattern | Power Source | No. of Uses | Dia. | Lg. | Ht. | Each | |
| 115 dBA @ 3.3 ft. | Continuous | Air | 150 | 1 3/8" | 4 1/4" | 5 3/8" | 0000000 | 000000 |
Rechargeable Air Horns
When this horn runs out of air, recharge it with the included pump.
| Volume | Sound Pattern | Power Source | No. of Uses | Dia. | Lg. | Ht. | Includes | Each | |
| 120 dBA @ 1 m 115 dBA @ 2 m 107 dBA @ 5 m 103 dBA @ 10 m | Continuous | Air | 30 | 2" | 6 1/2" | 9 1/2" | Recharge Pump | 0000000 | 000000 |
Air Horns
This horn has a disposable canister that can be replaced when the propellant is gone.
Air horn storage cabinet includes a tamperproof safety-lock rod.These horns have disposable canisters that can be replaced when the propellant is gone.
Strobe Lights with Siren
For technical drawings and 3-D models, click on a part number.
| Voltage | Current | Volume | Environment | Sound Pattern | Ht. | Wd. | Dp. | Material | Fasteners Included | Choose a Light Color | Each | |
With Screw Terminals | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12V DC | 0.67 A @ 12 V DC | 81 dBA @ 100 ft. 100 dBA @ 10 ft. | Outdoor | Continuous | 7 3/32" | 5 3/4" | 4 3/8" | Plastic | Yes | 00000000 | 0000000 | |
Fire Alarms with Strobe Light
In addition to an audible signal, these alarms flash a high-intensity strobe to draw attention during fire emergencies.
Styles A and C have a strobe that helps comply with ADA standards for photosensitivity when properly installed.
Surface mount using an outlet box (sold separately for Styles A, B, and D).
| Voltage | Current | Volume | Light Intensity, cp | Ht. | Wd. | Dp. | Material | Fasteners Included | Features | Specifications Met | Choose a Color | Each | ||
With Screw Terminals | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 24V DC | 0.32 A @ 24 V DC | 81-99 dBa @ 10 ft. | 15/30/75/110/135/185 | 4 3/4" | 2 3/4" | 1 1/4" | Plastic | Yes | Eight Tones | California Fire Marshal Approved, ADA Compliant, UL 1638, UL 464, ULC-S525, ULC-S526 | 0000000 | 0000000 | |
| Steel Outlet Box | 00000000 | Each | 00000 |
| Voltage | Current | Volume | Light Intensity, cp | Ht. | Wd. | Dp. | Material | Knockout Trade Size | Fasteners Included | Features | Specifications Met | Choose a Color | Each | ||
With Screw Terminals | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 120V AC | 0.05 A @ 120 V AC | 74-89 dBA @ 10 ft. | 15 | 4 1/8" | 4 1/8" | 3 1/2" | Plastic | __ | Yes | Eight Tones | UL Listed, California Fire Marshal Approved | Gray | 00000000 | 000000 |
| C | 24V DC | 0.19 A @ 24 V DC | 100 dBA @ 10 ft. | 75 | 5 3/4" | 4 3/4" | 4 3/16" | Plastic | 1/2 | Yes | Two Tones | UL Listed, California Fire Marshal Approved, ADA Compliant | 000000 | 000000 | |
| D | 120V AC | 0.05 A @ 120 V AC | 74-89 dBA @ 10 ft. | 15 | 4 1/8" | 4 1/8" | 3 1/2" | Plastic | __ | Yes | Eight Tones | UL Listed, California Fire Marshal Approved | Red | 00000000 | 00000 |
Fire Alarms
Surface mount using an outlet box (sold separately).
| Voltage | Current | Volume | Environment | Ht. | Wd. | Dp. | Material | Color | Fasteners Included | Specifications Met | Each | ||
With Screw Terminals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 12V DC 24V DC | 0.11 A @ 24 V DC 0.18 A @ 12 V DC | 80-92 dBA @ 10 ft. | Outdoor | 5 1/8" | 5 1/8" | 2 1/8" | Plastic | Red | Yes | UL Listed, California Fire Marshal Approved | 00000000 | 000000 |
| A | 12V DC 24V DC | 0.11 A @ 24 V DC 0.18 A @ 12 V DC | 80-92 dBA @ 10 ft. | Outdoor | 5 1/8" | 5 1/8" | 2 1/8" | Plastic | White | Yes | UL Listed, California Fire Marshal Approved | 00000000 | 00000 |
| B | 120V AC | 0.05 A @ 120 V AC | 75-88 dBA @ 10 ft. | Outdoor | 4 1/8" | 4 1/8" | 2 1/8" | Plastic | Gray | Yes | UL Listed, California Fire Marshal Approved | 00000000 | 00000 |
| B | 120V AC | 0.05 A @ 120 V AC | 75-88 dBA @ 10 ft. | Outdoor | 4 1/8" | 4 1/8" | 2 1/8" | Plastic | Red | Yes | UL Listed, California Fire Marshal Approved | 00000000 | 00000 |
Lift Truck Horns
These horns produce a sound loud enough to be heard in industrial settings.
Overall | Terminal | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current, A | Volume | Volume Control | Ht. | Wd. | Dp. | Material | Color | Mount Type | Number of Terminals | Tab Wd. | Gender | Wire Connection Type | For Use Outdoors | Specifications Met | Each | ||
| A | 12V DC | 4 | 115 dBA @ 1 m | Fixed | 5 3/8" | 4 3/4" | 4 1/4" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 000000 |
| A | 24V DC | 1.5 | 115 dBA @ 1 m | Fixed | 5 3/8" | 4 3/4" | 4 1/4" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 00000 |
| A | 36V DC/48V DC | 1 | 115 dBA @ 1 m | Fixed | 5 3/8" | 4 3/4" | 4 1/4" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 00000 |
| B | 12V DC | 4 | 115 dBA @ 1 m | Fixed | 6 1/4" | 4 3/4" | 2 5/8" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 00000 |
| B | 24V DC | 1.5 | 115 dBA @ 1 m | Fixed | 6 1/4" | 4 3/4" | 2 5/8" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 00000 |
| B | 36V DC/48V DC | 1 | 115 dBA @ 1 m | Fixed | 6 1/4" | 4 3/4" | 2 5/8" | Painted Steel | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | UL Recognized Component | 000000 | 00000 |
Lift Truck Horns for Outdoor Use
With no moving parts as well as sealed electronic components, this horn is built to last even in wet conditions.
Overall | Terminal | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current, A | Volume | Volume Control | Ht. | Wd. | Dp. | Material | Color | Mount Type | Number of Terminals | Tab Wd. | Gender | Wire Connection Type | Features | Specifications Met | Each | |
| 12V DC-60V DC | 1.1 | 114 dBA @ 1 m | Fixed | 3 7/8" | 3 7/8" | 3 3/4" | Plastic | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | Epoxy-Sealed Electronic Components | UL Listed | 000000 | 000000 |
Extra-Loud Lift Truck Horns
This horn has a built-in compressor, similar to that in a car horn, for a louder sound than other lift truck horns.
Overall | Terminal | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current, A | Volume | Volume Control | Ht. | Wd. | Dp. | Material | Color | Mount Type | Number of Terminals | Tab Wd. | Gender | Wire Connection Type | For Use Outdoors | Each | |
| 12V DC | 14 | 124 dBA @ 3 ft. | Fixed | 4 1/2" | 4 1/4" | 2 1/2" | Plastic | Black | Surface | 2 | 1/4" | Male | Quick-Disconnect Terminals | No | 000000 | 000000 |