Is the Siemens SQN 71 664B20 servo motor available from 3G Electric?

Yes — 3G Electric supplies genuine Siemens products with in-stock availability on common SKUs and worldwide shipping.

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Does 3G Electric provide technical support for servo motors?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all servo motors we distribute.

Siemens SQN 71 664B20 servo motor - Servo Motors

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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

Also listed as: SER 20046 · SER-20046

Brand

Siemens

Item

SQN 71 664B20 servo motor

Technical Specifications

Siemens

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

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

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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