Evacuation Horns | McMaster-Carr

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Voltage

Volume (Sound) @ Distance

105 dBA @ 4"

133 dBA @ 3.3 ft.

125 dB @ 3.3 ft.

0 dBA to 110 dBA @ 10 ft.

64 dBA to 113 dBA @ 10 ft.

74 dBA to 89 dBA @ 10 ft.

78 dBA to 103 dBA @ 10 ft.

81 dBA to 99 dBA @ 10 ft.

88 dBA @ 10 ft.

92 dBA to 99 dBA @ 10 ft.

Audible Signal Type

Power Source

Environment

High-Pressure Washdown

Current @ Voltage

Volume Control

Sound Pattern

Electrical Connection

Enclosure Rating

Material

Alert Type

Signal Light with Audible Alarm

Height

Fasteners Included

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Diameter

Width

REACH

RoHS

Export Control Classification Number (ECCN)

Color

Light Color

Number of Wire Leads

Pipe Size

Number of Mounting Holes

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65 Products

Audible Alarms

Long-Distance Audible Alarms

Trumpet-Style Horns

Produce a loud, continuous tone over a short distance

6 products

Dual Trumpet-Style Horns

Produce a loud, continuous tone over a short distance

3 products

Adjustable-Volume Multiple-Tone Horns

Select the tone and volume to cut through noise everywhere from offices to steel mills

2 products

Multiple-Tone Sirens

Emit continuous or pulse tones based on how much attention you want to draw

2 products

Washdown Buzzers

Meet NEMA 4X to resist corrosion in wet environments

6 products

Multiple-Tone Horns

Louder than multiple-tone buzzers but only come with three different sounds

1 product

Buzzers

Mount indoors and create a loud, vibrating noise

7 products

Long-Distance Whistles

Apply air or steam pressure to produce a shrill tone

5 products

Motor-Driven Sirens

High-powered and rugged enough to protect against shock and corrosion, even on U.S. Navy ships

2 products

Air Horns

Replace the disposable canister after you've used up all the propellant

6 products

Hazardous Location Multiple-Tone Horns

Select up to three programmable tones, each corresponding to a different warning

1 product

Rechargeable Air Horns

Recharge the horn using the included pump when the horn runs out of air

1 product

Long-Distance Whistles with Valve

Pull the valve to produce a shrill tone

6 products

Hazardous Location Buzzers

NEC rated for areas that have flammable gases, dust, or fibers

2 products

Disposable Air Horns

Toss this pocket-size air horn when it runs out of air

1 product

Multiple-Tone Buzzers

Select the appropriate tone for each situation, from emergencies to work breaks

4 products

Sirens

Signal emergencies with a shrill tone that's audible over long distances

3 products

Other Products

Fire Alarms

Alert people to fires with loud warnings

4 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

3 products