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Siemens Actuator SQN 31 221A2700 - Servo Motors
SiemensServo Motors

Siemens Actuator SQN 31 221A2700

Siemens SQN 31 servo motor is a reversible synchronous actuator for air damper and gas regulation on oil and gas burners, delivering 1 Nm nominal torque with 4.5-second 90° rotation time. Operates at 220–240V~ or…

SKU 3G-CBM-06576

Brand
Siemens
Item
Actuator SQN 31 221A2700
Part Number
221A2700
Category
Servo Motors
UNSPSC
26101205 — Servo motor DC
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
221A2700
model
SQN31 221A2700
motor type
Reversible synchronous motor with blockage protection
torque max
0.8 Nm
application
Air damper and gas regulation on oil and gas burners
torque nominal
1 Nm
voltage 50 60hz
220V~ ±15% to 240V~ +10% or 100V~ ±15% to 110V~ +10%
rotation time 90deg
4.5 seconds
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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 air damper and gas regulation on oil and gas burners, delivering 1 Nm nominal torque with 4.5-second 90° rotation time. Operates at 220–240V~ or 100–110V~ (50/60 Hz) with blockage protection for burner control applications.

Frequently Asked Questions

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

3G Electric supplies the Siemens SQN 31 221A2700 actuator for delivery to your location. We handle all logistics, customs clearance, and customs import procedures. Contact us for availability and lead time on request.

What is the lead time for the SQN 31 servo motor?

Lead time varies based on current stock and sourcing. The Siemens SQN 31 is available to order through 3G Electric. We manage all your regionn import documentation and typically deliver within 2–4 weeks depending on origin availability.

What voltage does the Siemens SQN 31 operate at?

The SQN 31 221A2700 operates at 220V~ ±15% to 240V~ +10% or 100V~ ±15% to 110V~ +10% (50/60 Hz). It delivers 1 Nm nominal torque with 4.5-second 90° rotation time and includes blockage protection for oil and gas burner applications.

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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