{"product_id":"fsnf120-s-us-belimo-fire-and-smoke-spring-return-actuator-70-in-lb-120v","title":"FSNF120-S US | Belimo Fire And Smoke Spring Return Actuator 70 In Lb 120V","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"397\" data-start=\"122\"\u003eThe Belimo FSNF120-S US is a fire and smoke damper actuator designed to deliver 70 in-lb of torque with rapid spring return operation for life safety HVAC applications. It operates on AC 120 V power with on\/off control and includes dual auxiliary switches for reliable position indication and system interlocking.\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%; height: 509.438px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; 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: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eDampers \u0026amp; Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eFSNF120-S US\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eFire \u0026amp; Smoke Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eAC 120 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eAC 96…132 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 39.1875px;\"\u003e27 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 39.1875px;\"\u003e6 W \/ 9 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eInrush Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e3.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eOn\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e2x SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eSwitching Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e7 A resistive, 2.5 A inductive @ 250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eTorque Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e70 in-lb (8 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 39.1875px;\"\u003e\u003cstrong\u003eRunning Time (Motor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 39.1875px;\"\u003e15 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 39.1875px;\"\u003e\u003cstrong\u003eRunning Time (Fail-Safe)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 39.1875px;\"\u003e\u0026lt;15 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e18 AWG leads, 0.9 m, 1\/2\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003eNEMA 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e45 dB(A) motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.7417%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.8947%; height: 19.5938px;\"\u003e6.2 lb (2.8 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 FSNF120-S US\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe FSNF120-S US is part of Belimo’s fire and smoke actuator lineup engineered to meet stringent life safety and code compliance requirements. It features a grounded metal housing and electronic overload protection to ensure reliable operation during normal conditions and emergency events. The actuator is rated to deliver its full 8 Nm torque at elevated temperatures up to 350°F for 30 minutes, supporting critical fire and smoke control functions. Reversible mounting for both motor and fail-safe direction, along with integrated auxiliary switches, enables flexible installation and dependable system integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire And Smoke Safety Design: Engineered specifically for fire and smoke dampers to support life safety operation and code compliance in HVAC systems.\u003c\/li\u003e\n\u003cli\u003eSpring Return Fail-Safe Operation: Integrated spring mechanism drives the damper to its safety position immediately upon power loss or emergency shutdown.\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Torque Rating: Delivers 70 in-lb of torque at temperatures up to 350°F for 30 minutes, ensuring reliable operation during fire conditions.\u003c\/li\u003e\n\u003cli\u003eDual Auxiliary Switches: Includes two SPDT switches for precise position indication, system interlocking, and safety monitoring.\u003c\/li\u003e\n\u003cli\u003eFast Actuation Speed: Motor and fail-safe return operate in under 15 seconds to ensure rapid damper response.\u003c\/li\u003e\n\u003cli\u003eElectronic Overload Protection: Protects the actuator across the full 0…95° rotation range from mechanical overload or obstruction.\u003c\/li\u003e\n\u003cli\u003eRobust Grounded Housing: NEMA 1 metal enclosure provides durability and electrical safety for 120 V installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe FSNF120-S US delivers the reliability and precision required for dependable fire and smoke damper control in life safety HVAC systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51048801632554,"sku":"FSNF120-S US","price":715.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/fsnf24-s-us-web-product_retina_1_09581a14-e13d-4529-be0e-24946dd6c596.jpg?v=1768248634","url":"https:\/\/iqelectro.com\/products\/fsnf120-s-us-belimo-fire-and-smoke-spring-return-actuator-70-in-lb-120v","provider":"IQElectro","version":"1.0","type":"link"}