{"product_id":"efb24-mft-s-belimo-programmable-spring-return-damper-actuator-270-in-lb-with-auxiliary-switches-24v","title":"EFB24-MFT-S | Belimo Programmable Spring Return Damper Actuator 270 In Lb With Auxiliary Switches 24V","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"397\" data-start=\"122\"\u003eThe Belimo EFB24-MFT-S is a high-torque spring return damper actuator delivering 270 in-lb (30 Nm) for precise and configurable airflow control in HVAC systems. It operates on AC\/DC 24 V power and combines MFT programmable control with integrated auxiliary switches for enhanced monitoring and safety functions.\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: 26.4362%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eActuators \u0026amp; Dampers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eEFB24-MFT-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\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: 26.4362%;\"\u003e\u003cstrong\u003ePower Consumption (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e9.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e4.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e16 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eControl Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eMFT programmable, 2…10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e100 kΩ (2…10 V), 500 Ω (4…20 mA), 1500 Ω (PWM\/On-Off\/Floating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eVDC, PWM, On\/Off, Floating Point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003ePosition Feedback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e2…10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eTorque Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e270 in-lb (30 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e35…95°, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eRunning Time (Motor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e60…150 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eRunning Time (Fail-Safe)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e\u0026lt;20 s @ -20…50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e2x SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003eDual 18 GA cables, 1 m, 1\/2\" conduit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e-30…50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.4362%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.2001%;\"\u003e12 lb (5.3 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 EFB24-MFT-S\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EFB24-MFT-S is part of Belimo’s EFB series of heavy-duty spring return actuators designed for demanding HVAC damper applications. It integrates Belimo MFT multi-functional technology, allowing field configuration of control signals, operating ranges, and actuator behavior to match specific system requirements. The actuator includes two factory-installed auxiliary switches to support position indication, interlocking, and safety-related control logic. Electronic overload protection, double insulation, and adjustable mechanical end stops ensure consistent performance, installation flexibility, and 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 ensures rapid return to a defined safety position during power loss to protect HVAC systems and equipment.\u003c\/li\u003e\n\u003cli\u003eHigh Torque Performance: Provides a constant 270 in-lb (30 Nm) torque output suitable for large or high-pressure air damper applications.\u003c\/li\u003e\n\u003cli\u003eMFT Programmable Control Technology: Supports configurable control modes including 2…10 V, 4…20 mA, PWM, on\/off, and floating point for broad system compatibility.\u003c\/li\u003e\n\u003cli\u003eDual Auxiliary SPDT Switches: Includes two adjustable auxiliary switches for precise position indication, sequencing, and safety interlocks.\u003c\/li\u003e\n\u003cli\u003eConfigurable Control Range: Adjustable start and end points allow accurate alignment of actuator response with building automation requirements.\u003c\/li\u003e\n\u003cli\u003eElectronic Overload Protection: Protects internal components throughout the full 0…95° rotation range against mechanical overload or obstruction.\u003c\/li\u003e\n\u003cli\u003eManual Override Capability: Supplied hex crank enables manual damper positioning during commissioning, testing, or maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EFB24-MFT-S delivers the reliability and precision required for programmable airflow modulation and dependable fail-safe damper operation in HVAC systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51049078882602,"sku":"EFB24-MFT-S","price":1167.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/EFB24-MFT-S-product_retina.jpg?v=1768252485","url":"https:\/\/iqelectro.com\/products\/efb24-mft-s-belimo-programmable-spring-return-damper-actuator-270-in-lb-with-auxiliary-switches-24v","provider":"IQElectro","version":"1.0","type":"link"}