SiemensServo Motors
Siemens Actuator SQN 31 471B2700
Siemens SQN 31 servo motor is a reversible synchronous actuator for HVAC damper control, delivering 90° rotation in 4.5 s at 50–60 Hz supply. Operates on 220–240 V~ or 100–110 V~ with adjustable cam disc for…
SKU 3G-CBM-06571
Also listed as: SER 20036 · SER-20036
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
Siemens SQN 31 servo motor is a reversible synchronous actuator for HVAC damper control, delivering 90° rotation in 4.5 s at 50–60 Hz supply. Operates on 220–240 V~ or 100–110 V~ with adjustable cam disc for integration into building automation systems.
Used in
Common applications for SiemensDistrict cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
Siemens Products
3G Electric supplies Siemens servo motors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
