{"product_id":"efb24-sr-s-n4-belimo-270-in-lb-spring-return-modulating-damper-actuator-nema-4x","title":"EFB24-SR-S N4 | Belimo 270 In Lb Spring Return Modulating Damper Actuator NEMA 4X","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"132\" data-end=\"401\"\u003eThe Belimo EFB24-SR-S N4 is a high-torque spring return damper actuator delivering 270 in-lb of force for precise modulating airflow control. Operating on AC\/DC 24 V with 2…10 VDC control, it provides reliable fail-safe performance in demanding HVAC and industrial environments.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 391.876px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; 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: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eActuators \u0026amp; Dampers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eEFB24-SR-S N4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eSpring return, modulating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003e270 in-lb (30 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003e2…10 VDC (4…20 mA compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 39.1875px;\"\u003e8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Holding)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 39.1875px;\"\u003e4.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003e2 × SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eInternal terminal blocks in junction box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003eNEMA 4X \/ UL Type 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 39.1875px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 39.1875px;\"\u003e-22…122°F (-30…50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.6311%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.0052%; height: 19.5938px;\"\u003e10.0 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\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eEFB24-SR-S N4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EFB24-SR-S N4 is part of Belimo’s heavy-duty spring return damper actuator series designed for applications requiring high torque and environmental protection. It features a robust enclosure rated IP66 and NEMA 4X, allowing installation in wash-down areas, outdoor locations, and harsh mechanical spaces. The actuator operates on AC\/DC 24 V and supports modulating control with 2…10 VDC signals, while also accommodating 4…20 mA control through compatible interfaces. With integrated auxiliary switches and maintenance-free construction, it delivers dependable long-term performance in critical airflow control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Torque Spring Return Actuation: Provides 270 in-lb (30 Nm) of torque to reliably drive large or high-resistance dampers under load.\u003c\/li\u003e\n\u003cli\u003eFail-Safe Spring Return Function: Automatically moves the damper to a predefined safety position during power loss to support system protection.\u003c\/li\u003e\n\u003cli\u003ePrecise Modulating Control Capability: Supports 2…10 VDC modulation with compatibility for 4…20 mA control, enabling accurate airflow regulation.\u003c\/li\u003e\n\u003cli\u003eDual Auxiliary Switches: Two integrated SPDT switches allow configurable end-position indication and interlocking with other control equipment.\u003c\/li\u003e\n\u003cli\u003eRugged Environmental Protection: IP66 and NEMA 4X enclosure ratings ensure resistance to dust, moisture, and harsh operating conditions.\u003c\/li\u003e\n\u003cli\u003eIndustrial-Grade Electrical Connections: Internal junction box with terminal blocks and knockouts simplifies secure field wiring.\u003c\/li\u003e\n\u003cli\u003eMaintenance-Free Design: Engineered for continuous-duty operation without routine servicing requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EFB24-SR-S N4 delivers the reliability and precision required for high-torque, fail-safe damper control in commercial and industrial HVAC applications.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51042845753642,"sku":"EFB24-SR-S N4","price":1217.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/EFB24-SR-N4-product_retina.jpg?v=1768072285","url":"https:\/\/iqelectro.com\/products\/efb24-sr-s-n4-belimo-270-in-lb-spring-return-modulating-damper-actuator-nema-4x","provider":"IQElectro","version":"1.0","type":"link"}