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Siemens Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A - Reversing Starters with Electronic Overloads
SiemensReversing Starters with Electronic Overloads

Siemens Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A

The SIEMENS NEMA Magnetic Motor Starter: Reversing (SKU 22DUD32AA, MPN 22DUD32AA) is a three-phase reversing starter with electronic overload protection, NEMA Size 1, and a 27 A rating. It features a 110-120/220-240V…

SKU 3G-OTH-41613

Brand
Siemens
Item
Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A
Category
Reversing Starters with Electronic Overloads
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
22DUD32AA
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

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

Product Description

The SIEMENS NEMA Magnetic Motor Starter: Reversing (SKU 22DUD32AA, MPN 22DUD32AA) is a three-phase reversing starter with electronic overload protection, NEMA Size 1, and a 27 A rating. It features a 110-120/220-240V AC dual-voltage coil, screw terminals, one normally open auxiliary contact, and a pilot light. No thermal units are required as the overload is electronic.

Frequently Asked Questions

What is the SIEMENS NEMA Magnetic Motor Starter: Reversing used for?

This reversing starter is used to control the forward and reverse rotation of three-phase AC motors in industrial applications such as conveyors, hoists, and pumps. It provides electronic overload protection to safeguard the motor from overcurrent conditions, making it suitable for heavy-duty machinery in manufacturing and processing plants.

What are the specifications of the SIEMENS 22DUD32AA motor starter?

The SIEMENS 22DUD32AA is a NEMA Size 1 reversing starter rated for 27 A with three poles and electronic overload protection. It operates on a dual-voltage coil of 110-120/220-240V AC, includes one normally open auxiliary contact, screw terminals, and a pilot light. No thermal units are required.

Where to buy the SIEMENS 22DUD32AA motor starter worldwide?

You can source the SIEMENS 22DUD32AA reversing starter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for industrial motor control applications.

How to select the correct overload protection for a SIEMENS reversing starter?

For the SIEMENS 22DUD32AA, electronic overload protection is integrated, so no separate thermal units are needed. When selecting, match the starter's NEMA size and current rating (27 A) to your motor's full-load amps. Ensure the coil voltage matches your control circuit (110-120/220-240V AC) and that auxiliary contacts meet your interlocking requirements.

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 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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