{"product_id":"belimo-lf120-us-damper-actuator-unit-fast-shipping","title":"LF120 US | Belimo Spring Return Damper Actuator 35 In Lb 120VAC On Off","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"397\" data-start=\"122\"\u003eThe Belimo LF120 US is a spring return damper actuator designed for reliable on\/off control of HVAC air dampers using a wide-range AC power supply. Delivering 35 in-lb torque, it supports dependable airflow control with automatic fail-safe positioning during power loss.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eLF120 US\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eSpring Return Damper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eDamper Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eOn\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eAC 100…240 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eAC 85…264 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eTorque Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e35 in-lb (4 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eSpring Return\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003ePower Consumption (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e3.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e6.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eMax. 95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e75 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e18 GA cable, 1 m, 1\/2\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003eIP54, NEMA 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e-22…122°F (-30…50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4349%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2014%;\"\u003e8.3 lb (3.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About\u003cspan data-sheets-root=\"1\"\u003e LF120 US\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe LF120 US is part of Belimo’s spring return damper actuator series engineered for dependable airflow control in commercial HVAC systems. It operates on a universal AC voltage range, allowing direct connection to line-voltage power without the need for external transformers. The actuator incorporates electronic overload protection and double insulation to support safe, maintenance-free operation over its full rotation range. Designed for flexible installation, it supports reversible fail-safe direction and complies with UL and plenum-rated installation requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e35 in-lb Torque Output: Provides consistent mechanical force for reliable operation of small to medium-sized HVAC air dampers.\u003c\/li\u003e\n\u003cli\u003eSpring Return Fail-Safe Operation: Automatically drives the damper to a predefined safety position when power is interrupted.\u003c\/li\u003e\n\u003cli\u003eWide AC Voltage Range: Supports direct connection to 100–240 VAC systems, simplifying electrical design and installation.\u003c\/li\u003e\n\u003cli\u003eOn\/Off Control Functionality: Enables straightforward binary damper control for ventilation, exhaust, and zoning applications.\u003c\/li\u003e\n\u003cli\u003eElectronic Overload Protection: Protects internal components throughout the full 0–95° rotation range to extend service life.\u003c\/li\u003e\n\u003cli\u003eReversible Mounting Orientation: Allows clockwise or counterclockwise fail-safe action through mounting configuration and selector switch.\u003c\/li\u003e\n\u003cli\u003ePlenum-Rated and Certified Design: Complies with UL 2043 and applicable standards for installation in air-handling spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe LF120 US delivers the reliability and precision required for safe, long-term spring return damper control in commercial HVAC airflow management applications.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51051051090218,"sku":"LF120 US","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/LF120_US-product_retina_grande_64504672-0852-406b-b219-3bc7171a61c2.jpg?v=1768308946","url":"https:\/\/iqelectro.com\/products\/belimo-lf120-us-damper-actuator-unit-fast-shipping","provider":"IQElectro","version":"1.0","type":"link"}