{"product_id":"air-products-and-controls-55000-335dct-photoelectric-smoke-detector-head-universal-voltage-replacement-55000-328apo","title":"Air Products And Controls 55000-335DCT Photoelectric Smoke Detector Head Universal Voltage (Replacement 55000-328APO)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eAir Products and Controls 55000-335DCT is a photoelectric replacement smoke detector head for SM-501 series duct smoke detectors. It supports 24 VAC, 24 VDC, 115 VAC and 230 VAC operation, provides dust filtering and includes a standard exhaust tube for HVAC duct sampling. The head is rated for duct widths from 6 in. to 10 ft. and air velocities of 500 to 4000 fpm, and is compatible with building automation and fire alarm systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupply voltage: 24 VAC, 24 VDC, 115 VAC, 230 VAC; frequency 50\/60 Hz; standby and alarm currents specified per voltage\u003c\/li\u003e\n  \u003cli\u003eDesigned for duct use: duct width 6 in. (15 cm) to 10.0 ft. (3.05 m); air velocity 500–4000 fpm (2.5–20.3 mps); includes dust filtering and standard exhaust tube\u003c\/li\u003e\n  \u003cli\u003eIntegration features: two alarm relay contacts (2-SPDT, 10A @115 VAC resistive), one trouble contact (1-SPDT, 10A @115 VAC resistive), interconnectable up to 30 detectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003ePhotoelectric duct replacement head for SM-501 series with universal voltage support, dust filtering, specified duct\/air velocity range, and relay contacts for fire system integration.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AIR PRODUCTS AND CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 55000-335DCT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Air Products and Controls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: 55000-335DCT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetector Type\u003c\/strong\u003e: Photoelectric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntended Series\u003c\/strong\u003e: SM-501 series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces\u003c\/strong\u003e: 55000-328APO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 24 VAC, 24 VDC, 115 VAC, 230 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency\u003c\/strong\u003e: 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current (24 VAC)\u003c\/strong\u003e: 35 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Current (24 VAC)\u003c\/strong\u003e: 74 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current (24 VDC)\u003c\/strong\u003e: 15 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Current (24 VDC)\u003c\/strong\u003e: 56 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current (115 VAC)\u003c\/strong\u003e: 25 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Current (115 VAC)\u003c\/strong\u003e: 32 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Current (230 VAC)\u003c\/strong\u003e: 12 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Current (230 VAC)\u003c\/strong\u003e: 16 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Contacts (Alarm)\u003c\/strong\u003e: 2-SPDT, 10A, 115 VAC resistive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrouble Contact\u003c\/strong\u003e: 1-SPDT, 10A, 115 VAC resistive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Velocity\u003c\/strong\u003e: 500-4000 fpm (2.5-20.3 mps)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Width Range\u003c\/strong\u003e: 6 in. (15 cm) to 10.0 ft. (3.05 m)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Terminations\u003c\/strong\u003e: Solid or stranded, 12 to 22 AWG terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 32 to 158 F (0 to 70 C) for SM-501-N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e: 10% to 85% RH non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e: NEMA 1, 18-gauge steel back box with clear plastic cover (94V-0), gray paint\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 9.13 H x 7.25 W x 2.25 D inches (23.19 x 18.42 x 5.72 cm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 3.2 lb (1.45 kg)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: UL File #S2829; CSFM 3240-1004:108; MEA 73-92-E, Vol. 26\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Standard length exhaust tube; dust filtering in detector head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterconnect Capability\u003c\/strong\u003e: Interconnectable up to 30 detectors for common functions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicator\u003c\/strong\u003e: Pulsing LED located within housing (series reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"AIR PRODUCTS AND CONTROLS","offers":[{"title":"Default Title","offer_id":51671759192370,"sku":"55000-335DCT","price":86.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2ab6f3bef87f9d976e1ddb5bcc7fdbfe.jpg?v=1787963124","url":"https:\/\/voomisupply.com\/products\/air-products-and-controls-55000-335dct-photoelectric-smoke-detector-head-universal-voltage-replacement-55000-328apo","provider":"Voomi Supply","version":"1.0","type":"link"}