{"product_id":"belimo-lf24-s-us-damper-actuator-unit-ready-to-ship","title":"LF24-S US | Belimo Spring Return Damper Actuator 35 In Lb 24VACDC On Off","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"122\" data-end=\"397\"\u003eThe Belimo LF24-S US is a spring return damper actuator designed for dependable on\/off control in HVAC air distribution systems. Operating on 24 VAC\/DC power, it provides 35 in-lb torque and consistent fail-safe performance for controlled damper positioning.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\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: 26.6089%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eLF24-S US\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eSpring Return Damper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eDamper Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eOn\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eAC 19.2…28.8 V \/ DC 21.6…28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eTorque Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e35 in-lb (4 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eSpring Return\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003ePower Consumption (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e7 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eAuxiliary Switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e1 × SPDT, adjustable 0…95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eMax. 95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e75 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003eIP54, NEMA 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e-22…122°F (-30…50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6089%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0275%;\"\u003e3.7 lb (1.7 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 LF24-S US\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe LF24-S US is part of Belimo’s compact spring return damper actuator series developed for reliable airflow control and safety positioning. It incorporates an internal spring mechanism that automatically drives the damper to a defined position during power loss, supporting system protection requirements. The actuator includes an adjustable SPDT auxiliary switch and electronic overload protection to ensure accurate signaling and long-term operational stability. Designed for commercial HVAC installations, it complies with UL and CSA standards and is suitable for plenum-rated applications.\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 sufficient force for consistent operation of small to medium-sized air dampers.\u003c\/li\u003e\n\u003cli\u003eSpring Return Safety Function: Automatically moves the damper to a fail-safe position upon power interruption.\u003c\/li\u003e\n\u003cli\u003e24 VAC\/DC Power Supply: Compatible with standard low-voltage HVAC control systems.\u003c\/li\u003e\n\u003cli\u003eOn\/Off Control Operation: Supports simple binary damper control for ventilation and zoning functions.\u003c\/li\u003e\n\u003cli\u003eIntegrated Auxiliary Switch: One adjustable SPDT switch enables position feedback or interlock signaling.\u003c\/li\u003e\n\u003cli\u003eElectronic Overload Protection: Protects the actuator across the full rotation range to extend service life.\u003c\/li\u003e\n\u003cli\u003eSelectable Rotation Direction: Allows flexible clockwise or counterclockwise mounting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe LF24-S US delivers the reliability and precision required for safe and consistent spring return damper control in commercial HVAC airflow management systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51051037917482,"sku":"LF24-S US","price":356.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/lf-act-web-product_retina_1_302e14ac-1bd7-45d9-a69a-e8f46705c5b4.jpg?v=1768307950","url":"https:\/\/iqelectro.com\/products\/belimo-lf24-s-us-damper-actuator-unit-ready-to-ship","provider":"IQElectro","version":"1.0","type":"link"}