{"product_id":"afrb24-belimo-24v-spring-return-on-off-valve-actuator","title":"AFRB24 | Belimo 24V Spring Return On Off Valve Actuator","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"401\" data-start=\"132\"\u003eThe Belimo AFRB24 is a spring return valve actuator designed for reliable on\/off control of HVAC control valves. Operating on AC\/DC 24 V, it provides dependable fail-safe positioning and consistent performance in hydronic control applications.\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: 34.8391%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eValve Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eAFRB24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eSpring Return Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eSpring return, on\/off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\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: 34.8391%;\"\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e7.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eOn\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e75 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eFail-Safe Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e\u0026lt;20 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e18 AWG cable, 1 m, 1\/2\" NPT conduit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003eNEMA 2 \/ UL Type 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e-22…122°F (-30…50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8391%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.9791%;\"\u003e5.3 lb (2.4 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\"\u003eAFRB24\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe AFRB24 is part of Belimo’s spring return actuator lineup developed for dependable valve actuation in HVAC systems. It uses a mechanical spring return mechanism to automatically drive the valve to a predefined safety position during power loss. The actuator supports simple on\/off control and allows reversible mounting for both motor and fail-safe direction, providing installation flexibility. Designed for maintenance-free operation, it includes electronic overload protection and robust enclosure construction for long-term reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring Return Fail-Safe Operation: Integrated spring mechanism automatically moves the valve to a safety position when power is lost, supporting system protection.\u003c\/li\u003e\n\u003cli\u003eOn Off Control Functionality: Designed for straightforward open and close valve operation in hydronic control systems.\u003c\/li\u003e\n\u003cli\u003eReversible Direction Of Motion: Motor and fail-safe rotation direction can be configured through CW or CCW mounting for flexible installation.\u003c\/li\u003e\n\u003cli\u003eReliable 24 Volt Power Operation: Operates on standard AC\/DC 24 V control power commonly used in HVAC systems.\u003c\/li\u003e\n\u003cli\u003eManual Override Capability: Supplied 5 mm hex crank allows temporary manual valve positioning during commissioning or service.\u003c\/li\u003e\n\u003cli\u003eElectronic Overload Protection: Protects the actuator throughout the full 0…95° rotation range to prevent damage under abnormal conditions.\u003c\/li\u003e\n\u003cli\u003ePlenum Rated Construction: UL 2043 compliant design supports installation in air plenums per NEC and IMC requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AFRB24 delivers the reliability and precision required for safe, dependable on\/off valve control in commercial HVAC applications.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":49105041359104,"sku":"AFRB24","price":639.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/AFR-product_retina_c89e6021-68c6-4d61-874f-25970c0608bb.jpg?v=1785538659","url":"https:\/\/alotechparts.com\/products\/afrb24-belimo-24v-spring-return-on-off-valve-actuator","provider":"Alo Tech Solutions","version":"1.0","type":"link"}