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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 (SKU 56JZ49, MPN 3RT20172FB42) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil. It features spring-loaded wire…

SKU 3G-OTH-51697

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
3RT20172FB42
Type
12 A
Poles
3
DC Coil
24V
Contacts
3NO
Wire Termination Type
Spring Loaded
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 (SKU 56JZ49, MPN 3RT20172FB42) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil. It features spring-loaded wire termination and integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20172FB42 contactor used for?

The SIEMENS 3RT20172FB42 is a non-reversing IEC power contactor used for switching motors, lighting, and other industrial loads. It is suitable for applications requiring reliable on/off control of three-phase circuits up to 12 A, with a 24V DC coil and integrated surge suppression.

What are the specifications of the SIEMENS 3RT20172FB42 contactor?

The SIEMENS 3RT20172FB42 is a 3-pole, non-reversing IEC contactor with 3NO contacts rated at 12 A. It has a 24V DC coil, spring-loaded wire termination, and integrated surge suppression. The MPN is 3RT20172FB42, and it is part of the SIEMENS IEC contactor series.

Where to buy the SIEMENS 3RT20172FB42 contactor worldwide?

You can source the SIEMENS 3RT20172FB42 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 on this SIEMENS contactor.

How to install the SIEMENS 3RT20172FB42 contactor?

To install the SIEMENS 3RT20172FB42, ensure the coil voltage matches your 24V DC supply. Use spring-loaded terminals for secure wire connections without tools. Mount on a DIN rail or panel, and verify integrated surge suppression is properly connected. Always follow local electrical codes and SIEMENS guidelines.

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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