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Siemens Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 12 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 12 A

The SIEMENS IEC Power Contactor: Non-Reversing (MPN 3RT20241KB40) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil. It includes integrated surge suppression. This…

SKU 3G-OTH-46786

Brand
Siemens
Item
Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 12 A
Category
Non-Reversing IEC Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20241KB40
Type
12 A
Poles
3
DC Coil
24V
Contacts
3NO
Integrated Surge Suppression
Yes
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Power Contactor: Non-Reversing (MPN 3RT20241KB40) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil. It includes integrated surge suppression. This Siemens-branded component is designed for industrial switching applications.

Frequently Asked Questions

What is the SIEMENS 3RT20241KB40 contactor used for?

The SIEMENS 3RT20241KB40 is a non-reversing IEC power contactor used for industrial switching of motors, lighting, and resistive loads. It is suitable for applications requiring reliable on/off control of three-phase circuits up to 12 A.

What are the specifications of the SIEMENS 3RT20241KB40 contactor?

This SIEMENS contactor has 3 poles, 3 normally open (NO) contacts, a 12 A rated current, and a 24 V DC coil. It includes integrated surge suppression. The manufacturer part number is 3RT20241KB40.

Where to buy the SIEMENS 3RT20241KB40 contactor worldwide?

You can source the SIEMENS 3RT20241KB40 contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations for this Siemens-branded component.

How to install the SIEMENS 3RT20241KB40 contactor?

Mount the contactor on a DIN rail or panel using the provided slots. Connect the 24 V DC coil supply to the coil terminals, and wire the three-phase load through the main pole terminals. Ensure the integrated surge suppression is properly grounded per local codes.

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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