1 PCS used Siemens SQM91.391A9 Actuator #LYQ007
1 PCS used Siemens SQM91.391A9 Actuator #LYQ007
1 PCS used Siemens SQM91.391A9 Actuator #LYQ007
General Information (Siemens Original Factory Standard)
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Parameter
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Specification (SQM91.391A9)
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Unit
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Factory Notes (Original Description)
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Brand
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Siemens, Original Factory, Brand New Genuine Product
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-
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100% brand new Siemens original product, manufactured in strict accordance with original factory quality control standards, factory calibrated and function-tested before delivery to ensure consistent performance[2][3][4].
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Product Model
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SQM91.391A9 (Actuator; Order Code: SQM91.391A9)
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-
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Original factory model, unchanged, belonging to Siemens burner control actuator series, with fixed torque, stroke and control mode configuration[2][3][4].
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Product Type
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Burner Control Actuator, Electric Actuator, Industrial Control Actuator
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-
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Specialized for industrial burner systems, used for precise control of damper, air valve or fuel valve opening, integrating positioning and torque protection functions[2][3][4].
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Application
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Industrial Boiler Burners, Industrial Furnaces, Combustion Systems, Thermal Equipment
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-
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Widely used in various industrial combustion equipment, providing stable and precise valve/damper control to optimize combustion efficiency and ensure operation safety[3][4].
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Supply Voltage
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AC 230 V (Nominal); Voltage Tolerance: ±10%
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V AC
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Stable AC 230V power supply input, adaptable to industrial power supply fluctuations, ensuring stable actuator operation in harsh power environments[2][4].
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Operating Current
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Max 0.8 A (Operating); 0.1 A (Standby)
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A
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Low standby current, energy-saving design; operating current matches the load capacity, ensuring reliable power supply and long service life[2][4].
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Torque Capacity
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9 Nm (Nominal); Max 11 Nm
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Nm
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Nominal torque 9 Nm, sufficient to drive most industrial burner dampers and valves; overload protection triggers when torque exceeds 11 Nm to prevent component damage[2][3][4].
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Stroke Angle
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90 ° (Standard); Adjustable 0-90 °
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°
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Standard 90° stroke, suitable for quarter-turn valves and dampers; adjustable stroke range (0-90°) to meet different installation and control requirements[2][4].
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Stroke Time
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15 Seconds (90° Full Stroke)
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s
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15 seconds full-stroke time, precise and efficient positioning, ensuring rapid response to combustion system control signals[2][3][4].
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Control Signal
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0-10 V DC (Analog Control); 3-Point Control (Optional)
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-
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Supports 0-10V DC analog control for precise position adjustment; optional 3-point control mode to adapt to different combustion control systems[2][4].
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Feedback Signal
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0-10 V DC (Analog Feedback), Potentiometer Feedback
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-
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0-10V DC analog feedback provides real-time position information to the control system; potentiometer feedback ensures accurate position detection and stable signal transmission[2][3][4].
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Operating Temperature Range
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-20 ~ +60 ℃ (Ambient); No Condensation Allowed
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℃
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Adaptable to harsh industrial on-site temperature fluctuations, from low-temperature environments to high-temperature combustion scenes, stable performance without malfunction[3][4].
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Relative Humidity
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≤ 95% RH (At 40℃ Ambient Temperature, Non-Condensing)
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% RH
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Strong humidity adaptability, suitable for humid industrial environments, effectively protecting internal electronic components and mechanical parts from moisture damage[4].
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Protection Class
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IP54 (Enclosure); IP40 (Connection Terminal)
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-
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IP54 enclosure effectively prevents dust and splashing water from entering; IP40 terminal protection ensures safe and reliable electrical connections[2][3][4].
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Mounting Position
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Any Position (Vertical/Horizontal); Preferred Vertical
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-
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Supports any mounting position to adapt to different installation spaces; vertical mounting is preferred to ensure optimal heat dissipation and mechanical performance[2][4].
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Certifications
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CE, EN 50156, EN 50159
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-
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Complies with EU safety and quality standards, EN 50156 and EN 50159 industrial control safety standards, applicable to global industrial combustion control markets[2][4].
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Service Life
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≥ 100,000 Operating Cycles
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Cycles
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Long service life, up to 100,000 operating cycles, suitable for long-term continuous operation in industrial scenarios, reducing maintenance costs[3][4].
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