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Siemens Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 17 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 17 A

The SIEMENS IEC Power Contactor is a non-reversing IEC contactor with 3 poles and 3 normally open (NO) contacts, rated at 17 A with a 24 V DC coil (MPN 3RT20251KB40). It includes integrated surge suppression.

SKU 3G-OTH-51146

Brand
Siemens
Item
Power Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 17 A
Category
Non-Reversing IEC Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20251KB40
Type
17 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 is a non-reversing IEC contactor with 3 poles and 3 normally open (NO) contacts, rated at 17 A with a 24 V DC coil (MPN 3RT20251KB40). It includes integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20251KB40 contactor used for?

The SIEMENS 3RT20251KB40 is a non-reversing IEC power contactor used for switching motors, lighting, and other industrial loads. It is suitable for applications requiring 3-pole, 3 normally open contacts rated at 17 A with a 24 V DC coil, and includes integrated surge suppression.

What are the specifications of the SIEMENS 3RT20251KB40 contactor?

The SIEMENS 3RT20251KB40 is a non-reversing IEC power contactor with 3 poles and 3 normally open (NO) contacts. It is rated at 17 A with a 24 V DC coil and includes integrated surge suppression. The manufacturer part number is 3RT20251KB40.

Where to buy the SIEMENS 3RT20251KB40 contactor worldwide?

You can source the SIEMENS 3RT20251KB40 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.

How to install the SIEMENS 3RT20251KB40 contactor?

Mount the SIEMENS 3RT20251KB40 contactor on a DIN rail or panel using the provided slots. Connect the 24 V DC coil to the control circuit and the 3-phase power to the main terminals. Ensure the integrated surge suppression is properly wired. Follow standard IEC installation practices.

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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