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Siemens Actuator SQN 31 121A2760 - Servo Motors
SiemensServo Motors

Siemens Actuator SQN 31 121A2760

Siemens SQN 31 servo motor is a reversible synchronous actuator for HVAC damper control, operating at 220V~ or 100V~ across 50-60 Hz with 4.5 second 90-degree rotation time at 50 Hz. Designed for proportional…

SKU 3G-CBM-06567

Brand
Siemens
Item
Actuator SQN 31 121A2760
Part Number
121A2760
Category
Servo Motors
UNSPSC
26101205 — Servo motor DC
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Technical Specifications

Siemens
Manufacturer Part Number
121A2760
model
SQN31
voltage
220V~ ±15-10% or 100V~ ±15-10%
frequency
50-60 Hz ±6%
motor type
reversible synchronous motor
cable gland
Pg9 and Pg11
product type
servo motor
rotation time 90deg 50hz
4.5 s

Technical Documents

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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, operating at 220V~ or 100V~ across 50-60 Hz with 4.5 second 90-degree rotation time at 50 Hz. Designed for proportional positioning in building automation systems.

Frequently Asked Questions

Where can I order the Siemens SQN 31 servo motor in your region?

3G Electric sources the Siemens SQN 31 121A2760 servo motor for delivery to your location. We handle all logistics, customs clearance, and customs documentation. Contact us for availability and lead time on request.

What is the lead time and delivery schedule for this actuator?

Lead time depends on stock status and current import schedules. 3G Electric manages all logistics to your region, including customs handling. Specific delivery timelines are available on request — contact our procurement team for your project timeline.

What voltage and frequency options does the SQN 31 support?

The Siemens SQN 31 operates at 220V~ ±15–10% or 100V~ ±15–10%, across 50–60 Hz ±6%. It features a 4.5 second 90-degree rotation time at 50 Hz, ideal for proportional damper positioning in building automation systems.

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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