{"product_id":"belimo-bf24-t-24v-spring-return-fire-smoke-damper-actuator-with-dual-auxiliary-switches","title":"Belimo BF24-T 24V Spring-Return Fire \u0026 Smoke Damper Actuator with Dual Auxiliary Switches","description":"\u003ch4 data-start=\"0\" data-end=\"14\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"16\" data-end=\"389\"\u003eThe Belimo BF24-T is a 24 VAC\/DC spring-return damper actuator designed for reliable operation of fire and smoke dampers in HVAC safety systems. Delivering a minimum motor torque of 18 Nm and equipped with dual SPDT auxiliary switches, it provides dependable damper positioning and automatic return to the safe position during power loss.\u003c\/p\u003e\n\u003cp data-start=\"16\" data-end=\"389\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"16\" data-end=\"389\"\u003e \u003c\/p\u003e\n\u003ch4 data-start=\"16\" data-end=\"389\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 90.2174%; height: 362.688px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eHVAC Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eBF24-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eDamper Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eSpring-Return Fire \u0026amp; Smoke Damper Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e24 VAC 50\/60 Hz \/ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\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: 34.266%;\"\u003e\u003cstrong\u003eMotor Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eMinimum 18 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eSpring-Return Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eMinimum 12 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e7 W (motoring), 2 W (holding), 10 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eAuxiliary Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e2 × SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eSwitch Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e1 mA–6 A (3 A), 5 VDC–250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eRotation Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eMaximum 95°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e140 s (motor), approximately 16 s (spring return)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e-30°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e-40°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eUp to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eService Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003eMinimum 60,000 safe positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.266%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.4907%;\"\u003e2.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 data-start=\"391\" data-end=\"411\"\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eBF24-T\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"465\" data-end=\"1070\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe BF24-T is part of the Belimo BF Series of fire and smoke damper actuators developed for commercial HVAC and building safety systems. It operates on 24 VAC\/DC power and incorporates a spring-return mechanism that automatically drives the damper to its safety position when power is removed. The actuator features two integrated SPDT auxiliary switches for status monitoring and control integration while supporting direct mounting on 12 mm damper shafts. Built with an IP54-rated enclosure and maintenance-free construction, it is designed to provide dependable operation in demanding environmental conditions.\u003c\/p\u003e\n\u003cp data-start=\"1091\" data-end=\"1106\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1108\" data-end=\"2309\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1260\" data-end=\"2068\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1167\" data-end=\"1873\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1190\" data-end=\"1931\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1117\" data-end=\"1773\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1097\" data-end=\"1818\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1099\" data-end=\"1747\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1103\" data-end=\"1752\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1087\" data-end=\"1756\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1821\" data-start=\"1195\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1770\" data-start=\"1129\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1910\" data-start=\"1183\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1802\" data-start=\"1121\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1102\" data-end=\"1797\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1321\" data-end=\"2192\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1268\" data-end=\"2020\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1155\" data-end=\"1873\"\u003e\n\u003cli data-section-id=\"vfk4s9\" data-start=\"1155\" data-end=\"1254\"\u003eSpring-Return Mechanism: Automatically returns the damper to its safe position during power loss.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"prnkc1\" data-start=\"1255\" data-end=\"1349\"\u003eHigh Torque Output: Delivers a minimum of 18 Nm motor torque and 12 Nm spring-return torque.\u003c\/li\u003e\n\u003cli data-section-id=\"1r6prru\" data-start=\"1350\" data-end=\"1431\"\u003e24 VAC\/DC Operation: Compatible with standard low-voltage HVAC control systems.\u003c\/li\u003e\n\u003cli data-section-id=\"13puxid\" data-start=\"1432\" data-end=\"1529\"\u003eDual Auxiliary Switches: Includes two SPDT switches for position indication and system control.\u003c\/li\u003e\n\u003cli data-section-id=\"cs6jhl\" data-start=\"1530\" data-end=\"1603\"\u003eDirect Shaft Mounting: Fits 12 mm shafts with a 10 mm adapter included.\u003c\/li\u003e\n\u003cli data-section-id=\"5ha7z1\" data-start=\"1604\" data-end=\"1700\"\u003eIP54 Protection: Provides protection against dust and water ingress in all mounting positions.\u003c\/li\u003e\n\u003cli data-section-id=\"okh7cf\" data-start=\"1701\" data-end=\"1783\"\u003eLong Service Life: Rated for a minimum of 60,000 safe-position operating cycles.\u003c\/li\u003e\n\u003cli data-section-id=\"1rac01i\" data-start=\"1784\" data-end=\"1873\"\u003eMaintenance-Free Design: Requires no routine servicing throughout its operational life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1875\" data-end=\"2015\"\u003eThe BF24-T delivers the reliability and precision required for dependable fire and smoke damper actuation in commercial HVAC safety systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":52136287797546,"sku":"BF24-T","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_1f9bbc9f-7298-45e0-8dc2-461592d7ff07.webp?v=1785180486","url":"https:\/\/iqelectro.com\/products\/belimo-bf24-t-24v-spring-return-fire-smoke-damper-actuator-with-dual-auxiliary-switches","provider":"IQElectro","version":"1.0","type":"link"}