{"product_id":"belimo-lr24a-sr-24v-modulating-rotary-valve-actuator-5-nm-2-10-vdc-control-with-position-feedback","title":"Belimo LR24A-SR 24V Modulating Rotary Valve Actuator, 5 Nm, 2–10 VDC Control With Position Feedback","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Belimo LR24A-SR is a modulating rotary valve actuator designed to position compatible ball valves in HVAC heating and cooling systems. Operating on 24 VAC\/VDC, it delivers 5 Nm of torque and responds to a 2–10 VDC control signal with a running time of 90 seconds per 90°. A separate position-feedback output allows the building automation controller to monitor valve position.\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 style=\"width: 100%; height: 529.032px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eHVAC \u0026amp; Building Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eLR24A-SR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eElectric Valve Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries \/ Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eLR Series; modulating rotary actuator for compatible ball valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e24 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003eSupply Frequency \/ Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003e50\/60 Hz with AC power; 19.2–28.8 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e1.5 W running; 0.4 W holding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Supply Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e3 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eMotor Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e5 Nm, approximately 44 in-lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Input \/ Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e2–10 VDC; 100 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003ePosition Feedback \/ Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003e2–10 VDC, maximum 1 mA; positioning accuracy ±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eMotor Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003e90 seconds per 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003eManual Override \/ Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003eLockable gear-release push button; removable mechanical position indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003eMounting \/ Travel Adjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003eSingle central screw; mounting orientation in 90° increments; adjustable mechanical end stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eSupply \/ Control Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eApproximately 3.3 ft; four conductors, each 0.75 mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003eEnclosure \/ Electrical Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003eIP54; NEMA 2; UL Enclosure Type 2; Class III SELV; UL Class 2 supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 39.1875px;\"\u003e\u003cstrong\u003eAmbient Operating Conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 39.1875px;\"\u003e−22–122°F; maximum 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.609%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.7154%; height: 19.5938px;\"\u003eApproximately 1.06 lb\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\"\u003eLR24A-SR\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe LR24A-SR is part of Belimo’s LR Series of electric rotary actuators for hydronic valve applications. Its direct-mount arrangement attaches to a compatible ball valve using one central screw, with installation orientation selectable in 90° increments. The actuator incorporates overload protection and automatically stops at the mechanical end position without requiring limit switches. A lockable gear-release button and removable mechanical position indicator support manual adjustment and commissioning.\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\u003eProportional Positioning: Moves the valve to the position specified by a 2–10 VDC control signal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated Torque: Provides 5 Nm of torque for compatible HVAC ball valves.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDual Supply Compatibility: Operates on either 24 VAC or 24 VDC power.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePosition Feedback: Supplies a 2–10 VDC output with a maximum load of 1 mA.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow Holding Consumption: Requires 0.4 W while maintaining position.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLockable Manual Override: Disengages the gear train while the push button is pressed or locked.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect Valve Mounting: Secures to the matching ball valve with a single central screw.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlexible Installation Orientation: Allows mounting relative to the valve in 90° increments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable Travel: Uses mechanical end stops to set the required rotation range.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOverload Protection: Automatically stops at the end position without separate limit switches.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVisual Position Indication: Provides a removable mechanical indicator for checking valve position.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe LR24A-SR delivers the reliability and precision required for proportional ball-valve positioning in commercial HVAC water systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\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":"Belimo","offers":[{"title":"Default Title","offer_id":53316421058858,"sku":"LR24A-SR","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_ba59776f-a8e0-4048-9d8b-5921ace8c34f.webp?v=1793044131","url":"https:\/\/iqelectro.com\/products\/belimo-lr24a-sr-24v-modulating-rotary-valve-actuator-5-nm-2-10-vdc-control-with-position-feedback","provider":"IQElectro","version":"1.0","type":"link"}