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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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 | |||||||||||||||
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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 |
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 | |||||||||||||||
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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 |