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Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 38 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 38 A

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated at 38 A with a 24V AC coil (MPN 3RT20281AC20). It does not include integrated surge suppression…

SKU 3G-OTH-44054

Brand
Siemens
Item
Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 38 A
Category
Non-Reversing IEC Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20281AC20
Type
38 A
Poles
3
AC Coil
24V
Contacts
3NO
Integrated Surge Suppression
No
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated at 38 A with a 24V AC coil (MPN 3RT20281AC20). It does not include integrated surge suppression. This component is designed for industrial motor control and switching applications.

Frequently Asked Questions

What is the SIEMENS 3RT20281AC20 contactor used for?

The SIEMENS 3RT20281AC20 is a non-reversing IEC magnetic contactor used for industrial motor control and switching applications. It handles loads up to 38 A with a 24V AC coil, making it suitable for starting and stopping motors, lighting, and resistive loads in manufacturing and process industries.

What are the specifications of the SIEMENS 3RT20281AC20 contactor?

This SIEMENS contactor has 3 poles and 3 normally open (NO) contacts, rated at 38 A with a 24V AC coil. It does not include integrated surge suppression. The manufacturer part number is 3RT20281AC20. It is designed for non-reversing motor control in industrial environments.

Where to buy the SIEMENS 3RT20281AC20 contactor worldwide?

You can source the SIEMENS 3RT20281AC20 contactor 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 applications.

How to install the SIEMENS 3RT20281AC20 contactor?

Mount the contactor on a DIN rail or panel using the provided slots. Connect the 24V AC coil to the control circuit and the main power leads to the 3NO contacts. Ensure proper wire sizing for 38 A and follow local electrical codes. Use a separate surge suppressor if needed, as this model lacks integrated suppression.

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

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