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Air Products and Controls - MSR-50RK/AV/W/C Control with Strobe & Sounder

Item: AP-MSR-50rk/AV/W/C

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About This Product

Product Info


Air Products and Controls - The MSR-50RK provides a key-operated detector test and reset function with a single gang strobe assembly. All configurations are compatible with standard Decora style cover plates. It has a clear lens and white double gang plate.

  • Tri-color visual indication of detector Pilot, Trouble and Alarm conditions
  • Lever-operated quick-connect "No-Tools" four-position terminal block
  • Port for plugging in the optional strobe assembly
  • Key-operated detector Test and Reset functions
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight1 Pounds (lbs)
Width5 Inches (In)
Height2 Inches (In)
Country of OriginUSA
Length5 Inches (In)
ApplicationDuct smoke detection & notification
ApprovalsUL, CUL, CSFM, MEA accepted
Audible AlertYes
BrandAir Products and Controls
Connection TypeWiring terminials
Contact Rating06mA to 107mA @ 24VDC
CUL ListedYes
For Use WithSL-2000 series, SM-501 Series , RT-3000 Series
Interconnection CapabilityRW, SL, SM, HS, and RT Series Duct Detectors
Maximum Voltage26.4 VDC
MountingDecora style plate with screws
Operating Temperature Range32°F to 120°F (0°C to 48.8°C)
Power SourceDuct Detector
Prop 65Yes
StandardsUL, CUL, CSFM, MEA accepted
Terminal ConnectionLever terminal blocks
Test ButtonYes
TierMSR-50 Series
TypeKey, Pilot, Alarm And Trouble Indication, White Plate, Horn, Strobe, Clear Strobe Lens
UL ListedYes
Visual AlertYes
Voltage24 VDC
Wire Gauge14-22 AWG


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