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Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 41 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 41 A

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3NO contacts, rated for 41 A with a 24V DC coil (MPN 3RT20351KB40). It includes integrated surge suppression. This component is…

SKU 3G-OTH-44355

Brand
Siemens
Item
Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 41 A
Category
Non-Reversing IEC Contactors
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
3RT20351KB40
Type
41 A
Poles
3
DC Coil
24V
Contacts
3NO
Integrated Surge Suppression
Yes

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3NO contacts, rated for 41 A with a 24V DC coil (MPN 3RT20351KB40). It includes integrated surge suppression. This component is designed for industrial switching applications.

Frequently Asked Questions

What is the SIEMENS IEC Magnetic Contactor 3RT20351KB40 used for?

This non-reversing contactor is used for industrial switching of motors, lighting, and other electrical loads. It is suitable for applications requiring reliable on/off control of 3-phase circuits up to 41 A, with a 24V DC coil and integrated surge suppression.

What are the specifications of the SIEMENS 3RT20351KB40 contactor?

The SIEMENS IEC Magnetic Contactor 3RT20351KB40 is a non-reversing, 3-pole device with 3NO contacts, rated at 41 A. It features a 24V DC coil and integrated surge suppression. The brand is SIEMENS, and the MPN is 3RT20351KB40.

Where to buy the SIEMENS 3RT20351KB40 contactor worldwide?

You can source the SIEMENS 3RT20351KB40 contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine SIEMENS components for your operations.

How to install the SIEMENS 3RT20351KB40 contactor?

Mount the contactor on a DIN rail or panel using the provided slots. Connect the 24V DC coil to a suitable power supply, and wire the 3-phase load through the 3NO main contacts. Ensure the integrated surge suppression is properly grounded per local codes. Always de-energize before installation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 24V DC Coil (MPN 3RT20361KB40)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 24V DC Coil (MPN 3RT20361KB40)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 65 A, 24V DC Coil (MPN 3RT20371KB40)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 65 A, 24V DC Coil (MPN 3RT20371KB40)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 41 A, 208V AC Coil (MPN 3RT20351AM20)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 41 A, 208V AC Coil (MPN 3RT20351AM20)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 24V AC Coil (MPN 3RT20361AC20)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 24V AC Coil (MPN 3RT20361AC20)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 80 A, 24V DC Coil (MPN 3RT20381KB40)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 80 A, 24V DC Coil (MPN 3RT20381KB40)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 240V AC Coil (MPN 3RT20361AP60)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 240V AC Coil (MPN 3RT20361AP60)

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