Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Siemens 3RT20241KB40 Non-Reversing IEC Contactor - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens 3RT20241KB40 Non-Reversing IEC Contactor

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
3RT20241KB40 Non-Reversing IEC Contactor
Part Number
3RT20241KB40
Category
Non-Reversing IEC Contactors
Available to Order
Also known as:3RT20241KB40Siemens
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
3RT20241KB40
Type
12 A
Poles
3
DC Coil
24V
Contacts
3NO
Integrated Surge Suppression
Yes

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Siemens

View all Siemens parts
Siemens
Siemens
Non-reversing IEC contactor with 3 poles and 3 normally open (NO) contacts. Rated at 41 A with a 24V AC coil. No integrated surge suppression. Used for switching motors, lighting, and other loads in industrial control panels, conveyor systems, and HVAC equipment
This Siemens non-reversing IEC contactor features 4 poles with 4 normally open contacts, rated at 12 A and a 24V AC coil. It is used for switching electrical loads in industrial control panels, motor control centers, and automation systems. No integrated surge suppression
Siemens
This Siemens non-reversing IEC contactor features 4 poles with 4 normally open contacts, rated at 12 A and a 24V AC coil. It is used for switching electrical loads in industrial control panels, motor control centers, and automation systems. No integrated surge suppression
This Siemens non-reversing IEC contactor is rated for 51 A with 3 poles and 3 normally open (NO) contacts. It operates with a 120V AC coil and features spring-loaded wire termination. No integrated surge suppression is included. Typical applications include switching three-phase motors, lighting, and heating loads in industrial control systems
Siemens
This Siemens non-reversing IEC contactor is rated for 51 A with 3 poles and 3 normally open (NO) contacts. It operates with a 120V AC coil and features spring-loaded wire termination. No integrated surge suppression is included. Typical applications include switching three-phase motors, lighting, and heating loads in industrial control systems
Non-reversing IEC contactor with 3 poles and 3 normally open contacts. Rated at 12 A with a 24 V DC coil. No integrated surge suppression. Suitable for switching motors, lighting, and resistive loads in industrial control panels and automation systems
Siemens
Non-reversing IEC contactor with 3 poles and 3 normally open contacts. Rated at 12 A with a 24 V DC coil. No integrated surge suppression. Suitable for switching motors, lighting, and resistive loads in industrial control panels and automation systems
Siemens
Siemens
Non-reversing IEC contactor with 3 poles and 3 normally open contacts, rated 9 A. Coil voltage 24 V AC. Spring-loaded wire termination for tool-free connection. Suitable for switching three-phase motors and other loads in industrial control panels and HVAC equipment

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first