{"product_id":"belimo-afrb24-s-24v-ac-dc-fail-safe-on-off-damper-actuator","title":"Belimo AFRB24-S 24V AC\/DC Fail-Safe On\/Off Damper Actuator","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e  \u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"19\" data-end=\"246\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Belimo AFRB24-S is a 24 V AC\/DC fail-safe actuator designed for on\/off control of air dampers in HVAC systems. It provides 90° motorized rotation with a 75-second running time and a fail-safe return in less than 20 seconds.\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\u003eAFRB24-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFail-Safe 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\u003e5 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\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption for Wire Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Switch Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mA...3 A (0.5 A inductive), DC 5 V...AC 250 V\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°\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\u003e75 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFail-Safe Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;20 s\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 by CW\/CCW mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFail-Safe Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReversible with CW\/CCW mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManual Override\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 mm hex crank (3\/16\" Allen), supplied\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\u003eEnclosure 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\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\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized steel and plastic housing\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\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaintenance-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Power Level, Motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Power Level, Fail-Safe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAgency Listings\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\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE acc. to 2014\/30\/EU and 2014\/35\/EU\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\u003eUL 2043 Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuitable for use in air plenums per Section 300.22(C) of NEC and Section 602 of IMC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.7 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 AFRB24-S\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"273\" data-end=\"738\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe AFRB24-S is part of Belimo’s fail-safe actuator range for HVAC air damper applications. Its galvanized steel and plastic housing provides a durable enclosure suited to mechanical building-system installations. The actuator supports selectable motor direction through clockwise or counterclockwise mounting and reversible fail-safe operation. Two SPDT auxiliary switches provide position-related switching functions for connected control or monitoring equipment.\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\n\u003cli data-section-id=\"hzra6d\" data-start=\"760\" data-end=\"832\"\u003e24 V AC\/DC Supply: Operates from a nominal 24 V AC or DC power source.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ro2z2r\" data-start=\"833\" data-end=\"914\"\u003eOn\/Off Control: Provides two-position actuator control for damper applications.\u003c\/li\u003e\n\u003cli data-section-id=\"17zgd18\" data-start=\"915\" data-end=\"1002\"\u003eFail-Safe Operation: Returns to the required safety position in less than 20 seconds.\u003c\/li\u003e\n\u003cli data-section-id=\"140jxot\" data-start=\"1003\" data-end=\"1088\"\u003e90° Rotation: Provides the angular travel required for standard damper positioning.\u003c\/li\u003e\n\u003cli data-section-id=\"zzalot\" data-start=\"1089\" data-end=\"1158\"\u003eMotor Running Time: Completes 90° motorized rotation in 75 seconds.\u003c\/li\u003e\n\u003cli data-section-id=\"15c8cf2\" data-start=\"1159\" data-end=\"1262\"\u003eAuxiliary Switches: Includes two SPDT switches rated for switching and position indication functions.\u003c\/li\u003e\n\u003cli data-section-id=\"1c61jwe\" data-start=\"1263\" data-end=\"1356\"\u003eManual Override: Includes a supplied 5 mm hex crank for manual adjustment during servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"1qblqut\" data-start=\"1357\" data-end=\"1448\"\u003eNEMA 2 Enclosure: Provides a protected housing for indoor HVAC installation environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" data-start=\"1450\" data-end=\"1575\"\u003eThe AFRB24-S delivers the reliability and precision required for fail-safe HVAC damper control and air-handling 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":52820244136234,"sku":"AFRB24-S","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2026-10-02_13.30.09.png?v=1790940639","url":"https:\/\/iqelectro.com\/products\/belimo-afrb24-s-24v-ac-dc-fail-safe-on-off-damper-actuator","provider":"IQElectro","version":"1.0","type":"link"}