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Siemens Servo motor SQN 30 121A3500 - Servo Motors
SiemensServo Motors

Siemens Servo motor SQN 30 121A3500

Siemens SQN 30 reversible synchronous servo motor delivers 1.5 Nm nominal torque with 0.8 Nm holding torque, completing 90° rotation in 4.5 s. Operates at 50/60 Hz with dual supply voltages (220/240 V~ primary…

SKU 3G-CBM-06574

Brand
Siemens
Item
Servo motor SQN 30 121A3500
Part Number
121A3500
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
121A3500
type
Servo motor SQN30
frequency
50/60 Hz
motor type
Reversible synchronous motor
torque holding Nm
0.8
torque nominal Nm
1.5
rotation time 90deg s
4.5
supply voltage primary
220 V~ −15% / 240 V~ +10%
supply voltage secondary
100 V~ −15% / 110 V~ +10%
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Siemens SQN 30 reversible synchronous servo motor delivers 1.5 Nm nominal torque with 0.8 Nm holding torque, completing 90° rotation in 4.5 s. Operates at 50/60 Hz with dual supply voltages (220/240 V~ primary, 100/110 V~ secondary), suitable for precision automation and control applications.

Frequently Asked Questions

Where can I order the Siemens SQN 30 servo motor in your region?

3G Electric supplies the SQN 30 (part SER20040) with delivery to your location. We handle all logistics, documentation, and customs customs clearance. Lead times on request.

What is the lead time and delivery schedule for this servo motor?

Lead time depends on stock status—available to order. 3G Electric manages import logistics to your region. Confirmed delivery windows provided upon order. Contact us for current scheduling.

Does the SQN 30 operate on single-phase supply?

Yes. The SQN 30 features dual supply voltages: primary 220/240 V~ and secondary 100/110 V~, both at 50/60 Hz. It delivers 1.5 Nm nominal torque and completes 90° rotation in 4.5 seconds.

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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