Apollo SM-501-P Duct Smoke Detector, Photoelectric Sensor, 500 to 4000 fpm Detection, Flashing LED Visual Indicator

Apollo Duct Smoke Detector, 500 to 4000 fpm, Photoelectric, Alarm: Smoke, Flashing LED Visual Indicator, Humidity Rating: 85 +/-5% RH Non-Condensing, Non-Freezing, Photoelectric Sensor, Solid, Stranded Wire, Terminal Connection Type, 16 mA at 230 V, 32 mA at 115 V, 94 mA at 24 V, 56 mA at 24 V Alarm Current, 24/115/230 V, Polycarbonate/Steel, Clear/Gray, 32 to 140 deg F, 7-1/4 in Width, 2-1/4 in Height, 8-1/8 in D

The 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. The SM-501 is designed and built to meet all local code requirements, as well as the NFPA and ICC standards regarding HVAC supply and return duct smoke detectors. Output terminals are provided for remote accessories such as horns, strobes, remote status indicators and test/reset key switches or pushbuttons.

• Photoelectric duct smoke detector
• The SM-501 is housed in our popular traditional compact housing
• The units may be wired to use a common test/reset function and to alarm when a single unit alarms
• Advanced detector head design yields internal dust filtering with no additional screens or filters to clean
• Listed for high temperature applications
• Interconnect up to 30 units for common functions
• Compact size
• Two-sets of 10A form "C" alarm contacts
• One set of 10 A form C trouble contacts
• Rugged steel back box with clear cover
• Compatible with the WP-1 weather-proof enclosure
• Easy retro-fit/upgrade of existing RW Series detectors
• Clear cover fitted with four captive screws
• Large terminal connection screws
• Interchangeable plug-in photoelectric heads
• Easy-mounting without cover removal

Specifications