{"product_id":"system-sensor-d4120-4-wire-photoelectric-low-flow-duct-smoke-detector-24vdc-120vac-replaces-dh100acdclp","title":"System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC\/120VAC (Replaces DH100ACDCLP)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SYSTEM SENSOR D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit operates in airflow speeds of 100 to 4,000 feet per minute, and temperatures of \"\u0026gt;–4°F to 158°F.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4-Wire Photoelectric, integrated low-flow technology\u003c\/li\u003e\n  \u003cli\u003eVersatile mounting options: square or rectangular configuration\u003c\/li\u003e\n  \u003cli\u003eIncreased wiring space with a newly added ¾-inch conduit knockout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThe D4120 smoke detector offers improved false alarm immunity and simple installation, testing, and maintenance.\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: SYSTEM SENSOR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Mexico\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand Name\u003c\/strong\u003e: System Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth\u003c\/strong\u003e: 2.5\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 5\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 14.4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth (mm)\u003c\/strong\u003e: 63.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth (mm)\u003c\/strong\u003e: 127\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm Factor\u003c\/strong\u003e: Duct Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (mm)\u003c\/strong\u003e: 365.252\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Honeywell International, Inc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source\u003c\/strong\u003e: AC,DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line\u003c\/strong\u003e: Innovairflex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name\u003c\/strong\u003e: InnovairFlex D4120 Smoke Detector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Smoke Detector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 120V AC,24V DC,29V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Model\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eADI Part Number\u003c\/strong\u003e: BK-D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\/Usage\u003c\/strong\u003e: Air Duct Protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetectable Medium\u003c\/strong\u003e: Smoke\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e: Alarm,LED,Switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensing Technology\u003c\/strong\u003e: Photoelectric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage (V AC)\u003c\/strong\u003e: 120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage (V DC)\u003c\/strong\u003e: 24,29\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Air Velocity\u003c\/strong\u003e: 20.32 m\/s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdditional Information\u003c\/strong\u003e: 4-wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnectivity Technology\u003c\/strong\u003e: Wired\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; Standards\u003c\/strong\u003e: UL LISTED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries required\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAirflow Speeds\u003c\/strong\u003e: 100 - 4000 fpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperatures\u003c\/strong\u003e: 4 to 158 deg F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity Range\u003c\/strong\u003e: 0 to 95% (non-condensing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -4 to 158 deg F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAirflow Speed\u003c\/strong\u003e: 100 to 4000 ft\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Photoelectric, 4-Wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 20 to 29 Volt DC\/24\/120 Volt AC 50\/60 Hertz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproval\u003c\/strong\u003e: UL, MSFM, FM, CSFM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric Rating\u003c\/strong\u003e: 10 Amp at 30 Volt DC\/250 Volt AC (Resistive), 1\/4 HP at 120 Volt AC, 1\/2 HP at 240 Volt AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Current Rating\u003c\/strong\u003e: 65 Miliamp at 24 Volt DC 135 Miliamp RMS at 24 Volt AC 60 Hertz 35 Miliamp RMS at 120 Volt AC 60 Hertz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Initiation Contact\u003c\/strong\u003e: 2 Amp at 30 Volt DC (Resistive)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Response Time\u003c\/strong\u003e: 15 Second\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Capacitance\u003c\/strong\u003e: 270 Microfarad\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Duct Velocity\u003c\/strong\u003e: 100 to 4000 Foot per Minute\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Configuration\u003c\/strong\u003e: DPDT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Humidity Rating\u003c\/strong\u003e: 0 to 95 Percent RH (Non-Condensing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Up Time\u003c\/strong\u003e: 35 Second\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Time by Power Down\u003c\/strong\u003e: 0.6 Second\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number (MPN)\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type [Specifications]\u003c\/strong\u003e: Photoelectric, Duct Smoke Detector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolts\u003c\/strong\u003e: 24\/115\/1\/60\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm\u003c\/strong\u003e: Audible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries Included?\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Model Number\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: DST5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIs Discontinued By Manufacturer\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Number\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmps\u003c\/strong\u003e: 0.21\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudible Alert\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Backup\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Terminal Block\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCUL Listed\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCycle\/Hertz\u003c\/strong\u003e: 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetection Method\u003c\/strong\u003e: Photoelectric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEAN\u003c\/strong\u003e: 0783863034411\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHush Button\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocking Pin\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Voltage\u003c\/strong\u003e: 120 VAC\/24 VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Side by Side or Top over Bottom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: -4\tF to 158\tF (-20\tC to 70\tC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source [Specifications]\u003c\/strong\u003e: 24 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProp 65\u003c\/strong\u003e: true\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: Photoelectric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Action\u003c\/strong\u003e: Dip Switches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Button\u003c\/strong\u003e: true\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Smoke Detector\u003c\/strong\u003e: Duct Smoke Detector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL Recognized\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 783863034411\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisual Alert\u003c\/strong\u003e: false\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Gauge\u003c\/strong\u003e: Up to 12 AWG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 14.38\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity\u003c\/strong\u003e: 0 to 95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth [Specifications]\u003c\/strong\u003e: 5\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight [Specifications]\u003c\/strong\u003e: 14.4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage [Specifications]\u003c\/strong\u003e: 24V DC\/ 24V AC\/ 120V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth (In.) [Specifications]\u003c\/strong\u003e: 2 1\/2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (In.) [Specifications]\u003c\/strong\u003e: 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength (In.) [Specifications]\u003c\/strong\u003e: 14 3\/8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm State (mA) [Specifications]\u003c\/strong\u003e: Max 60mA @24V DC\/ Max 130mA RMS @24V AC\/ Max 35mA RMS @120V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity [Specifications]\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Velocity (FPM) [Specifications]\u003c\/strong\u003e: 100 to 4000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby State (mA) [Specifications]\u003c\/strong\u003e: Max 25mA @24V DC\/ Max 55mA RMS @24V AC\/ Max 20mA RMS @120V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity Range (% RH) [Specifications]\u003c\/strong\u003e: 0 to 95\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Temp. Limits (F) [Specifications]\u003c\/strong\u003e: -4 Degrees  to 158 Degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Aux. Contact @ 250V [Specifications]\u003c\/strong\u003e: 10 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Aux. Contact @ 30VDC [Specifications]\u003c\/strong\u003e: 10 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin (subject to change) [Specifications]\u003c\/strong\u003e: Mexico\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct SKU\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart #\u003c\/strong\u003e: D4120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: 4 Wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type\u003c\/strong\u003e: Smoke Detector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetection Type\u003c\/strong\u003e: Photoelectric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Velocity Range\u003c\/strong\u003e: 100-4000 FPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Weight [Specifications]\u003c\/strong\u003e: 3.25 lbs per EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 14.38 in L x 5 in W x 2.5 in D Rectangular\/7.75 in L x 9 in W x 2.5 in D Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGases Detected\u003c\/strong\u003e: Smoke\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating [Specifications]\u003c\/strong\u003e: 24\/120|V ac\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 46171600\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Duct Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"SYSTEM SENSOR","offers":[{"title":"Default Title","offer_id":51161779110194,"sku":"D4120","price":250.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/306251584.webp?v=1778881644","url":"https:\/\/voomisupply.com\/products\/system-sensor-d4120-4-wire-photoelectric-low-flow-duct-smoke-detector-24vdc-120vac-replaces-dh100acdclp","provider":"Voomi Supply","version":"1.0","type":"link"}