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Siemens Actuator SQN 30 401A2700 - Servo Motors
SiemensServo Motors

Siemens Actuator SQN 30 401A2700

The Siemens SQN 30 is a reversible synchronous servo motor delivering 1 Nm nominal torque with 4.5 second 90-degree rotation time, rated 220V ±15% / 240V +10% at 50Hz. Built-in overload protection with automatic…

SKU 3G-CBM-06575

Brand
Siemens
Item
Actuator SQN 30 401A2700
Part Number
401A2700
Category
Servo Motors
UNSPSC
26101205 — Servo motor DC
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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

Technical Specifications

Siemens
Manufacturer Part Number
401A2700
motor type
reversible synchronous motor
protection
overload protected with automatic reset
voltage 50hz
220V ±15% / 240V +10%
torque max nm
0.8
torque nominal nm
1
90 degree rotation time s
4.5
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens SQN 30 is a reversible synchronous servo motor delivering 1 Nm nominal torque with 4.5 second 90-degree rotation time, rated 220V ±15% / 240V +10% at 50Hz. Built-in overload protection with automatic reset makes it suitable for HVAC damper actuation and industrial automation control applications.

Frequently Asked Questions

What is the Siemens SQN 30 401A2700 actuator used for?

The Siemens SQN 30 401A2700 is a reversible synchronous servo motor used for controlling air and gas dampers on oil and gas burners of low to medium heating capacity. It is also suitable for HVAC damper actuation and industrial automation control applications, typically paired with controllers like the RWF40 or safety boxes such as the LMO series.

What are the specifications of the Siemens SQN 30 401A2700?

The Siemens SQN 30 401A2700 delivers 1 Nm nominal torque with a 4.5-second 90-degree rotation time. It is rated for 220V ±15% / 240V +10% at 50Hz and includes overload protection with automatic reset. The motor type is a reversible synchronous motor with a maximum torque of 0.8 Nm.

Where to buy the Siemens SQN 30 401A2700 in Singapore?

You can source the Siemens SQN 30 401A2700 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this servo motor for your HVAC or burner control applications.

How to install the Siemens SQN 30 401A2700 actuator?

Installation must be performed by qualified personnel only. Ensure the power supply is completely disconnected before working near the terminals. Mount the actuator securely, connect the wiring to the screw terminals, and verify correct rotation direction. After installation, check that all safety functions are operational before commissioning.

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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