Air Products and Controls

Apollo America - MSR-AV/T/S/O - AV Combination Sounder with LED Strobe, Stainless Plate, Opaque Lens

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Av Combination Sounder With Led Strobe, Stainless Plate, Opaque Lens


The MSR-AV Series provides audible and visible private mode alarm indications in a low-profile, single-gang Decora style configuration. Choice of plate colors include red, white and stainless steel.

Boasting code compliance with emergency signaling applications, the MSR-AV is Listed to UL 464 and UL 1638, and offers the industry's first LED strobe.

The sound output level is jumper-selectable at either 53/54 dB (low) or 68/69 dB (high). The sound output format is also jumper selectable for steady or temporal (code 3). The units are shipped with the jumpers installed, pre-set to high, temporal.

For use with UL Listed 24VDC polarized power circuits.

California residents: see Proposition 65 Warning

Features and Specification

Hush Button No
For Use With SL-2000 series, SM-501 Series , RT-3000 Series
Height 2.6880
Length 5.5000
Maximum Voltage 26.4 VDC
Audible Alert Yes
Batteries Included No
Batteries Required No
Battery Backup No
Brand Air Products and Controls
Comments/Notes Visual Alert-Strobe
Dimensional Weight 1.0000
Connection Type Wiring terminials
Contact Rating 0mA to 70mA@24VDC
Cubic Measurement 0.0289
CUL Listed Yes
Cycle/Hertz 0
Locking Pin No
Wire Gauge 14-22 AWG
UL Listed Yes
Standards UL, CUL, CSFM
Terminal Connection Screw terminal
Test Button No
Tier MSR Series
Type Horn Strobe, Stainless Steel Plate, Opaque Strobe Lens
UL Recognized No
Visual Alert Yes
Voltage 24 VDC
Warranty Offered Yes
Width 3.3800
Approvals UL, CUL, CSFM, MEA accepted
Mounting Decora style plate with screws
Operating Temperature Range 32°F to 120°F (0°C to 48.8°C)
Phase Direct
Package Height 5.5000
Package Length 2.6900
Package Weight 0.8800
Package Width 3.3800
Power Source Duct Detector
Application Duct smoke detection & notification
Weight 0.8800
Amps 0.07


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picture_as_pdf specification sheet