Product HighlightsThe SM-501 Series Duct Smoke Detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications.
- Operating voltages: 230VAC, 115VAC, 24VAC, 24VDC
- Listed for high temperature applications
- Interconnect up to 30 units for common functions
- UL, CUL, CSFM, and MEA Listed
- Compact Size
- Two sets of 10A form "C" alarm contacts
- One set of 10A form "C" trouble contacts
- Rugged steel back box with clear cover
- Compatible with the WP-1 weatherproof enclosure
California residents: see Proposition 65 Warning
Weight 3.40 Pounds Length 7.38 Inches Width 3.13 Inches Height 9.25 Inches Country of Origin USA Brand Air Products and Controls Tier SM-501 Series Voltage 24 VDC/VAC/115 VAC/230 VAC Maximum Voltage 253VAC Amps 0.035 Power Source 230VAC, 115VAC, 24V Cycle/Hertz 50 Cycle/Hertz 60 Batteries Included No Hush Button No Test Button Yes Audible Alert No Display No Display Options None Battery Backup No Batteries Required No Accuracy None specified Detection Method Photoelectric Sensor Type Photoelectric Application Duct smoke detection Approvals UL, CUL, CSFM, MEA accepted Color Gray Comments/Notes Visual Alert-LED Test- push button Connection Type Solid or stranded wire Contact Rating 2 sets form c rated at 10Amps @ 115VAC Interconnection Capability SL-2000, RT-3000, HS-100 Locking Pin No Mounting Screws Operating Temperature Range 32°F to 140°F (0°C to 60°C) Standards UL, CUL, CSFM, MEA accepted Switch Action 2- DPDT form C contacts Terminal Connection Screw terminal Type Photoelectric Visual Alert Yes Warranty Offered Yes Wire Gauge 14-22 AWG CUL Listed Yes UL Listed Yes UL Recognized No
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