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Siemens 22DUA32AA NEMA Size 1 Reversing Starter - Reversing Starters with Electronic Overloads
SiemensReversing Starters with Electronic Overloads

Siemens 22DUA32AA NEMA Size 1 Reversing Starter

<p>The Siemens 22DUA32AA is a NEMA Size 1 reversing starter with electronic overload protection, rated for 27 amps and three-phase operation. It features a 3-pole design, a dual-voltage coil (110-120/220-240V AC), a…

SKU 3G-OTH-43014

Brand
Siemens
Item
22DUA32AA NEMA Size 1 Reversing Starter
Part Number
22DUA32AA
Category
Reversing Starters with Electronic Overloads
Available to Order
Also known as:22DUA32AASiemens
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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
22DUA32AA
Type
NEMA Size 1, 27 A, Electronic Protection
Phase
Three
Poles
3
Coil Voltage
110-120/220-240V AC
Signaling Features
Pilot Light
Auxiliary Contact Form
1NO
Thermal Units Required
None (Not Applicable to Electronic Overloads)
Terminal Connection Type
Screw Terminals
Auxiliary Contacts Included
1NO

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The Siemens 22DUA32AA is a NEMA Size 1 reversing starter with electronic overload protection, rated for 27 amps and three-phase operation. It features a 3-pole design, a dual-voltage coil (110-120/220-240V AC), a pilot light for status indication, and one normally open auxiliary contact. Screw terminals ensure secure wiring, and no thermal units are required thanks to the electronic overload.</p><p>This starter is ideal for reversing applications in industrial machinery, conveyors, and pumps. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the coil voltage and auxiliary contact configuration?

The coil voltage is dual-rated at 110-120V AC and 220-240V AC. It includes one normally open (1NO) auxiliary contact.

Does this starter require thermal overload units?

No, thermal units are not applicable because it uses electronic overload protection.

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 reversing starters with electronic overloads. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This reversing starter provides electronic overload protection for three-phase motors. Rated at 1.2 A with a control voltage of 24V AC/DC, it features 3 poles and includes 1NO/1NC auxiliary contacts. Suitable for motor control applications such as conveyors, pumps, and fans
Siemens
This reversing starter provides electronic overload protection for three-phase motors. Rated at 1.2 A with a control voltage of 24V AC/DC, it features 3 poles and includes 1NO/1NC auxiliary contacts. Suitable for motor control applications such as conveyors, pumps, and fans

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