{"product_id":"b338-afrb24-sr-belimo-1-5-inch-three-way-characterized-control-valve-with-spring-return-actuator-copy","title":"EFX24-S N4H | Belimo 270 In Lb Spring Return On Off Damper Actuator With Heater NEMA 4H","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"126\" data-end=\"417\"\u003eThe Belimo EFX24-S N4H is a high-torque spring return damper actuator designed for on\/off control in demanding HVAC and industrial environments. It operates on AC\/DC 24 V, delivers 270 in-lb of torque, and includes an integrated heater for reliable performance in low-temperature conditions.\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: 489.845px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; 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: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eActuators \u0026amp; Dampers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eEFX24-S N4H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eSpring return, on\/off, with heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; 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: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; 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: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eAC 19.2…28.8 V \/ DC 21.6…28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 39.1875px;\"\u003e9.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 39.1875px;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 39.1875px;\"\u003e4.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 39.1875px;\"\u003e\u003cstrong\u003eHeater Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 39.1875px;\"\u003e21 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e16 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e2 × SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eAdjustable 35…95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e75 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eFail-Safe Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e\u0026lt;20 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eTerminal blocks in junction box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003eNEMA 4 \/ NEMA 4H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\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: 29.1203%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.516%; height: 19.5938px;\"\u003e10 lb (4.7 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 EFX24-S N4H\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EFX24-S N4H is part of Belimo’s heavy-duty spring return damper actuator family developed for harsh and low-temperature environments. It features an integrated heater that ensures consistent operation in cold climates, reducing the risk of condensation or mechanical binding. The actuator operates on AC\/DC 24 V power and provides reliable on\/off control with automatic spring return positioning during power loss. Its sealed NEMA 4H enclosure, double-insulated construction, and electronic overload protection support maintenance-free operation in outdoor, wash-down, and industrial HVAC applications.\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: Delivers 270 in-lb (30 Nm) of torque to reliably operate large or high-resistance dampers.\u003c\/li\u003e\n\u003cli\u003eIntegrated Heater Option: Built-in heater maintains internal operating temperature, ensuring dependable performance in cold or humid environments.\u003c\/li\u003e\n\u003cli\u003eFail-Safe Spring Return Function: Automatically drives the damper to a predefined safety position during power loss.\u003c\/li\u003e\n\u003cli\u003eOn Off Control Operation: Designed for straightforward open and close damper control in isolation and safety applications.\u003c\/li\u003e\n\u003cli\u003eDual Auxiliary Switches: Two SPDT switches provide configurable end-position indication and interlocking with control systems.\u003c\/li\u003e\n\u003cli\u003eRugged Environmental Protection: NEMA 4H enclosure protects against moisture, dust, and harsh outdoor conditions.\u003c\/li\u003e\n\u003cli\u003eService-Friendly Design: Manual override and electronic overload protection support safe commissioning and long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EFX24-S N4H delivers the reliability and precision required for high-torque, fail-safe damper control in extreme environmental conditions.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51047760757034,"sku":"EFX24-S N4H","price":1288.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_eb0c472d-54ac-4c10-bc83-02444afc2cad.webp?v=1768203300","url":"https:\/\/iqelectro.com\/products\/b338-afrb24-sr-belimo-1-5-inch-three-way-characterized-control-valve-with-spring-return-actuator-copy","provider":"IQElectro","version":"1.0","type":"link"}