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Siemens SQN 71 664B20 servo motor - Servo Motors
SiemensServo Motors

Siemens SQN 71 664B20 servo motor

The Siemens SQN 71 664B20 is a servo motor actuator for HVAC and building automation control applications. It operates on AC 230V +10% -15% 50-60Hz or AC 115V +10% -15% 50-60Hz and mounts per ISO 7/1 standard…

SKU 3G-CBM-06579

Brand
Siemens
Item
SQN 71 664B20 servo motor
Part Number
664B20
Category
Servo Motors
UNSPSC
26101205 — Servo motor DC
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
664B20
manufacturer
Siemens AG
product type
Servo motor actuator
mounting standard
ISO 7/1
electrical supply primary
AC 230V +10% -15% 50-60Hz
electrical supply secondary
AC 115V +10% -15% 50-60Hz
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens SQN 71 664B20 is a servo motor actuator for HVAC and building automation control applications. It operates on AC 230V +10% -15% 50-60Hz or AC 115V +10% -15% 50-60Hz and mounts per ISO 7/1 standard, fitting retrofit and new-build valve control systems.

Frequently Asked Questions

Where can I buy the Siemens SQN71 664B20 servo motor in your region?

3G Electric sources and delivers the Siemens SQN71 664B20 to your location, your location, and nationwide. We handle all customs import documentation and customs clearance. Lead time on request—contact us for availability and USD pricing.

What is the lead time and delivery for the SQN71 664B20 servo motor?

Lead time varies based on availability from our supply chain. 3G Electric manages end-to-end logistics to your region, including customs customs handling. Quote your delivery location (your location, your location, or elsewhere) for a confirmed timeline.

Does the Siemens SQN71 664B20 work with standard valve mounts?

Yes. The SQN71 664B20 mounts per ISO 7/1 standard, compatible with retrofit and new-build valve control systems. It operates on AC 230V +10% -15% 50-60Hz or AC 115V +10% -15% 50-60Hz for flexible HVAC and building automation installations.

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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