{"product_id":"siemens-540-670b-series-1000-10k-ohm-room-temperature-sensor-with-setpoint-and-override","title":"Siemens 540-670B Series 1000 10k Ohm Room Temperature Sensor with Setpoint and Override","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"16\" data-end=\"396\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe Siemens 540-670B is a Series 1000 room temperature sensing unit designed for use with compatible Terminal Equipment Controllers (TEC) in commercial HVAC systems. Siemens part number 540-670B combines a 10 kΩ temperature sensor, occupant override button, and adjustable setpoint control in a compact white wall-mounted enclosure.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC \u0026amp; Building Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e540-670B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoom Temperature Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeries 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoom Temperature Sensor \/ Room Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermistor Temperature Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55°F to 95°F (13°C to 35°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetpoint Adjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, Integrated Slide Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverride Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, Flush-Mounted Override Button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible Terminal Equipment Controllers (TEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3-11\/32 × 2-1\/2 × 1-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZone Temperature Monitoring and Occupant HVAC Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.2 lb (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e540-670B\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe 540-670B is a Siemens Series 1000 room unit developed as a local sensing and occupant-adjustment interface for compatible TEC-based HVAC control systems. Its internal 10 kΩ thermistor monitors room temperature over a nominal 55°F to 95°F (13°C to 35°C) range and provides the corresponding temperature signal to the connected controller. A flush-mounted override button allows occupants to request temporary occupancy operation, while the integrated high-accuracy setpoint slider provides local adjustment of the programmed temperature setpoint within controller-defined limits. The compact white plastic housing is intended for wall installation in offices, classrooms, commercial buildings, and other spaces using Siemens terminal equipment control systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSeries 1000 design: Part of the Siemens room sensing family for commercial HVAC and building-control applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e10 kΩ temperature sensor: Uses a thermistor-based sensing element for accurate room-temperature measurement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTEC compatibility: Designed specifically for use with compatible Siemens Terminal Equipment Controllers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTemperature monitoring range: Measures room conditions from approximately 55°F to 95°F (13°C to 35°C).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSetpoint adjustment: Integrated slider provides occupants with convenient local temperature setpoint adjustment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOverride button: Flush-mounted pushbutton supports temporary occupancy or override commands through the connected controller.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCombined room interface: Integrates sensing, setpoint adjustment, and override functionality into a single wall unit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePassive sensing architecture: Temperature measurement is provided through the resistance characteristics of the internal sensor.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact enclosure: Approximate dimensions of 3-11\/32 × 2-1\/2 × 1-1\/2 inches minimize wall-space requirements.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWhite plastic cover: Neutral enclosure finish is suitable for offices, classrooms, and other occupied commercial spaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilding automation application: Provides room-level information and occupant input to compatible HVAC control sequences.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWall-mounted construction: Designed for installation at an appropriate occupied-zone sensing location.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe 540-670B delivers the reliability and precision required for room-temperature sensing, occupant setpoint adjustment, and override control in TEC-based HVAC systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52794346438954,"sku":"540-670B","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l960_88761103-3ebe-43a2-a495-1ef82abf9d65.webp?v=1790707296","url":"https:\/\/iqelectro.com\/products\/siemens-540-670b-series-1000-10k-ohm-room-temperature-sensor-with-setpoint-and-override","provider":"IQElectro","version":"1.0","type":"link"}