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
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
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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
What is the Siemens SQN 71 664B20 servo motor used for?
The Siemens SQN 71 664B20 servo motor actuator is used for driving gas or air dampers and valves in oil or gas burners of small to medium capacity. It is commonly applied in HVAC and building automation control systems for load-dependent regulation of fuel and combustion air volume.
What are the specifications of the Siemens SQN 71 664B20?
The Siemens SQN 71 664B20 is a reversible electromotoric actuator with clockwise rotation. It operates on AC 230V +10% -15% 50-60Hz or AC 115V +10% -15% 50-60Hz, mounts per ISO 7/1 standard, and features a holding torque of 0.7 to 1.3 Nm with a running time of 4 to 30 seconds.
Where to buy the Siemens SQN 71 664B20 in Singapore?
You can source the Siemens SQN 71 664B20 servo motor through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this actuator for HVAC and burner control applications.
How to install the Siemens SQN 71 664B20 servo motor?
Installation must be performed by qualified staff. Before wiring, completely isolate the plant from mains supply (all-polar disconnection) and ensure it is dead. Mount the actuator per ISO 7/1 standard, connect screw terminals for electrical connections, and adjust end switches as needed. Do not modify the actuator.
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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.
