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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 contactor with 3 poles and 3NO contacts, rated at 17 A with a 24V DC coil (MPN 3RT20252BB40). It features spring-loaded wire termination and does not include…

SKU 3G-OTH-42596

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
3RT20252BB40
Type
17 A
Poles
3
DC Coil
24V
Contacts
3NO
Wire Termination Type
Spring Loaded
Integrated Surge Suppression
No
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Power Contactor is a non-reversing contactor with 3 poles and 3NO contacts, rated at 17 A with a 24V DC coil (MPN 3RT20252BB40). It features spring-loaded wire termination and does not include integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20252BB40 contactor used for?

The SIEMENS 3RT20252BB40 is a non-reversing IEC power contactor used to switch motors, lighting, and resistive loads in industrial control panels. Its 17 A rating and 24V DC coil suit automation systems requiring reliable on/off control across manufacturing, HVAC, and material handling applications.

What are the specifications of the SIEMENS 3RT20252BB40 contactor?

This SIEMENS contactor has 3 poles with 3 normally open (3NO) contacts, rated 17 A, and a 24V DC coil. It uses spring-loaded wire termination and does not include integrated surge suppression. The manufacturer part number is 3RT20252BB40.

Where to buy the SIEMENS 3RT20252BB40 contactor worldwide?

3G Electric supplies the SIEMENS 3RT20252BB40 contactor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this non-reversing 3-pole contactor.

How to install the SIEMENS 3RT20252BB40 contactor?

Mount the SIEMENS 3RT20252BB40 on a DIN rail or panel using the spring-loaded terminals for secure wire connections. Ensure the 24V DC coil voltage matches your control circuit. Follow standard IEC installation practices and verify no surge suppression is needed externally.

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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