{"product_id":"siemens-sqn-71-664a20","title":"SQN 71.664A20","description":"\u003ch2\u003eOverview of Siemens SQN71.664A20 Electric Actuator\u003c\/h2\u003e\n\u003cp\u003eThe Siemens SQN71.664A20 is a reversible synchronous motor actuator designed for controlling air dampers and valves on oil or gas burners of small to medium capacity. It is built for precision control, providing load-dependent regulation of fuel and combustion air, which optimizes burner performance and efficiency.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRated torque of 2.5 Nm with a holding torque of 1.3 Nm for reliable damper and valve operation.\u003c\/li\u003e\n  \u003cli\u003eOperates on 230V AC power supply with a frequency range of 50-60 Hz.\u003c\/li\u003e\n  \u003cli\u003eMaximum angular adjustment of 160° with a scale range of 0-130° for flexible positioning.\u003c\/li\u003e\n  \u003cli\u003eIncludes two auxiliary switches for control and feedback functions.\u003c\/li\u003e\n  \u003cli\u003eOptional mounting position and cable entry options with screw terminals for wire sizes 0.5 to 2.5 mm².\u003c\/li\u003e\n  \u003cli\u003eIP40 protection rating compliant with DIN 40050 standards, with provisions to maintain rated protection.\u003c\/li\u003e\n  \u003cli\u003eMaintenance-free gear train with manual disengagement for easy manual override.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSQN71.664A20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eSynchronous Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e230 V AC ±15% \/ +10%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 - 60 Hz ±6%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTorque\u003c\/td\u003e\n\u003ctd\u003eRated 2.5 Nm, Holding 1.3 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAngular Adjustment\u003c\/td\u003e\n\u003ctd\u003eMax 160°, scale 0-130°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAuxiliary Switches\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRunning Time\u003c\/td\u003e\n\u003ctd\u003e30 seconds for 90° rotation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 800 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eOptional positions\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCable Connection\u003c\/td\u003e\n\u003ctd\u003eScrew terminals for 0.5 - 2.5 mm² wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eUsed primarily with gas or oil burner controls for driving dampers and valves, enabling precise control of combustion air and fuel supply in heating systems.\u003c\/p\u003e\n\n\u003cp\u003eSiemens provides robust build quality, ease of installation, and service support for reliable industrial burner control.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796187398443,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_527999d1-5f52-44b8-8a33-e64769953b6c.png?v=1723553755","url":"https:\/\/leadtime.ca\/products\/siemens-sqn-71-664a20","provider":"LEADTIME","version":"1.0","type":"link"}