{"product_id":"belimo-lrb24-sr-t-24v-modulating-damper-actuator-with-2-10v-feedback","title":"Belimo LRB24-SR-T 24V Modulating Damper Actuator with 2–10V Feedback","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e  \u003c\/h4\u003e\n\u003cp\u003e The Belimo LRB24-SR-T is a modulating actuator for HVAC applications requiring precise damper positioning from a 24 V AC\/DC supply. It accepts 2–10 V or 4–20 mA control signals and provides 2–10 V position feedback with 90° adjustable rotation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003col start=\"2\" data-start=\"285\" data-end=\"305\"\u003e\u003c\/ol\u003e\n\u003cp\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\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Damper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLRB24-SR-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModulating Damper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 19.2...28.8 V \/ DC 21.6...28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (Holding)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverload Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic throughout 0...90° rotation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Range Y\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2...10 V \/ 4...20 mA with ZG-R01 (500 Ω, 1\/4 W resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 kΩ for 2...10 V; 500 Ω for 4...20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Feedback U\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2...10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Feedback Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDirection of Motion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable with 0\/1 switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManual Override\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal push button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90°, adjustable with mechanical stop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Power Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical, pluggable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Class 2 Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNEMA 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Enclosure Type 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-22...122°F [-30...50°C]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40...176°F [-40...80°C]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax. 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eServicing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAgency Listing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ecULus acc. to UL60730-1A\/-2-14, CAN\/CSA E60730-1:02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE acc. to 2014\/30\/EU; UL 2043 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuality Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 9001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About LRB24-SR-T\u003c\/h4\u003e\n\u003cp\u003e The LRB24-SR-T is designed for proportional control of air dampers in building automation and ventilation systems. Its electronic control architecture supports selectable motor direction and continuous position adjustment within the actuator's 90° mechanical range. The actuator includes a pluggable mechanical position indicator and an external push-button for manual override. Double-insulated construction, electronic overload protection, and a NEMA 2 enclosure support installation in protected HVAC environments.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"3\" data-start=\"865\" data-end=\"880\"\u003e\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"877\" data-end=\"1577\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"882\" data-end=\"1588\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"898\" data-end=\"1629\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"930\" data-end=\"1652\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"951\" data-end=\"1684\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"844\" data-end=\"1605\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"873\" data-end=\"1604\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1015\" data-end=\"1740\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1114\" data-end=\"1993\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"793\" data-end=\"1520\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"760\" data-end=\"1448\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"897\" data-end=\"1571\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"829\" data-end=\"1519\"\u003e\n\u003cli data-section-id=\"1wzpjun\" data-start=\"829\" data-end=\"901\"\u003e24 V AC\/DC Supply: Operates from AC 19.2...28.8 V or DC 21.6...28.8 V.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e6sxwo\" data-start=\"902\" data-end=\"997\"\u003eModulating Control: Accepts 2...10 V or 4...20 mA input signals for proportional positioning.\u003c\/li\u003e\n\u003cli data-section-id=\"wlasma\" data-start=\"998\" data-end=\"1095\"\u003ePosition Feedback: Provides a 2...10 V feedback signal with a maximum output current of 0.5 mA.\u003c\/li\u003e\n\u003cli data-section-id=\"59h42e\" data-start=\"1096\" data-end=\"1183\"\u003eAdjustable Rotation: Provides 90° rotation with adjustment through a mechanical stop.\u003c\/li\u003e\n\u003cli data-section-id=\"qjvgy1\" data-start=\"1184\" data-end=\"1272\"\u003eMotor Direction Selection: Allows direction selection using the integrated 0\/1 switch.\u003c\/li\u003e\n\u003cli data-section-id=\"tkoh6g\" data-start=\"1273\" data-end=\"1355\"\u003eManual Override: Includes an external push button for manual actuator operation.\u003c\/li\u003e\n\u003cli data-section-id=\"t0dm3a\" data-start=\"1356\" data-end=\"1448\"\u003eElectronic Protection: Provides overload protection throughout the 0...90° rotation range.\u003c\/li\u003e\n\u003cli data-section-id=\"19lfhez\" data-start=\"1449\" data-end=\"1519\"\u003eLow Operating Noise: Produces a motor sound power level of 35 dB(A).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" data-start=\"1521\" data-end=\"1656\"\u003eThe LRB24-SR-T delivers the reliability and precision required for modulating HVAC damper control and building automation applications.\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 data-spread=\"false\"\u003e\u003c\/ul\u003e\n\u003cul data-spread=\"false\"\u003e\u003c\/ul\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":52820251148586,"sku":"LRB24-SR-T","price":312.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2026-10-02_13.41.10.png?v=1790941679","url":"https:\/\/iqelectro.com\/products\/belimo-lrb24-sr-t-24v-modulating-damper-actuator-with-2-10v-feedback","provider":"IQElectro","version":"1.0","type":"link"}