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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 44N858, MPN 22DUB32AA) 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…

SKU 3G-OTH-42928

Brand
Siemens
Item
Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A
Category
Reversing Starters with Electronic Overloads
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Technical Specifications

Siemens
Manufacturer Part Number
22DUB32AA
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 44N858, MPN 22DUB32AA) 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 for signaling. No thermal units are required as the overload is electronic.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS NEMA Magnetic Motor Starter 22DUB32AA used for?

This reversing starter controls three-phase motors up to 27 A, enabling forward and reverse operation in industrial applications such as conveyors, hoists, and pumps. It includes electronic overload protection and a pilot light for status indication.

What are the specifications of the SIEMENS 22DUB32AA motor starter?

The SIEMENS 22DUB32AA is a NEMA Size 1, three-pole reversing starter rated 27 A with electronic overload protection. It has a dual-voltage coil (110-120/220-240V AC), screw terminals, one normally open auxiliary contact, and a built-in pilot light. No thermal units are required.

Where to buy the SIEMENS 22DUB32AA motor starter worldwide?

3G Electric supplies the SIEMENS 22DUB32AA reversing starter worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to select the correct overload protection for the SIEMENS 22DUB32AA?

The SIEMENS 22DUB32AA uses an electronic overload relay, so no separate thermal units are needed. Set the overload current dial to match the motor's full-load amperage, typically between 27 A and the motor nameplate rating. Always follow the manufacturer's instructions for proper adjustment.

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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