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Siemens Actuator SQN 31 471B2700 - Servo Motors
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

Brand
Siemens
Item
Actuator SQN 31 471B2700
Part Number
471B2700
Category
Servo Motors
UNSPSC
26101205 — Servo motor DC
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
471B2700
frequency
50...60 Hz ±6%
motor type
synchrone réversible
supply voltage
220V~ –15% ... 240V~ +10% or 100V~ –15% ... 110V~ +10%
cam disc adjustment
yes
rotation time 90deg
4.5 s
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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.

Frequently Asked Questions

What is the Siemens SQN 31 471B2700 actuator used for?

The Siemens SQN 31 471B2700 servo motor is used for HVAC damper control in building automation systems. It is also applied in oil and gas burners of low to medium power for combined fuel/air control, operating with P-PI or PID controllers such as the RWF40.

What are the specifications of the Siemens SQN 31 471B2700?

The Siemens SQN 31 471B2700 is a reversible synchronous actuator with a rotation time of 4.5 s for 90°. It operates on 220–240 V~ or 100–110 V~ at 50–60 Hz ±6%. It features an adjustable cam disc and delivers up to 3 Nm torque with right-hand rotation.

Where to buy the Siemens SQN 31 471B2700 in Singapore?

You can source the Siemens SQN 31 471B2700 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this servo motor for HVAC and burner applications.

How to install the Siemens SQN 31 471B2700 actuator?

Installation must be performed by qualified specialists following local safety regulations. Ensure the supply voltage is completely disconnected before working near terminals. After wiring, check all safety functions before commissioning. Do not use the actuator if it has been dropped or impacted.

Used in

Common applications for Siemens
District 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
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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.

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