{"product_id":"siemens-qaa2220-ewnn-temperature-sensor-room-1-pack","title":"Siemens QAA2220.EWNN Temperature Sensor Room (1 Pack)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eSiemens QAA2220.EWNN is a QAA2200 series room temperature sensor that provides resistance output for building automation and HVAC control systems. The unit uses a 1 kOhm platinum RTD (385) sensing element and offers universal signal formats, a blank front to prevent unauthorized adjustments, and ventilation slots for fast response. It includes installation hardware for mounting on a 2 in x 4 in electrical box or directly to drywall and operates from 18 to 36 Vdc or 24 Vac ±20%.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 kOhm platinum RTD (385) sensing element with resistance output for HVAC and building automation compatibility\u003c\/li\u003e\n  \u003cli\u003eUniversal signal formats, blank front version to limit access, and strategically placed ventilation slots for fast response\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting hardware for 2 in x 4 in electrical box or direct wall mount; supply 18–36 Vdc or 24 Vac ±20%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eRoom-mounted resistance-output temperature sensor (QAA2200 series) with 1 kOhm platinum RTD, universal signal formats, blank front, ventilation slots, and mounting hardware; UL916 approved.\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: SIEMENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QAA2220.EWNN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\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: Siemens\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QAA2220.EWNN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: QAA2200\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Room temperature sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Element\u003c\/strong\u003e: 1 kOhm platinum RTD (385)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Resistance\u003c\/strong\u003e: 1 kOhm at 32°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Signal\u003c\/strong\u003e: Resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 18 to 36 Vdc or 24 Vac ±20%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e: 13°F to 95°F (≈ -10.6°C to 35°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 1 kΩ Pt (RTD): ±0.54°F (0.3°C) @ 32°F (0°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 4.5 x 2.75 x 1.125 inches (115 x 70 x 30 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: UL916\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: Mounts on standard 2 in x 4 in electrical box or directly to drywall (screws and anchors included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: No (blank front version)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Room, classroom, office temperature monitoring and HVAC\/building automation controls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":51467376066866,"sku":"QAA2220.EWNN","price":47.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313941622.jpg?v=1783902619","url":"https:\/\/voomisupply.com\/products\/siemens-qaa2220-ewnn-temperature-sensor-room-1-pack","provider":"Voomi Supply","version":"1.0","type":"link"}