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Siemens Magnetic Contactor: 3 Poles, 24V DC, 51 A - Safety Contactors
SiemensSafety Contactors

Siemens Magnetic Contactor: 3 Poles, 24V DC, 51 A

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, operating at 24V DC and rated for 51 A. It features integrated surge suppression and is identified by manufacturer part…

SKU 3G-OTH-39629

Brand
Siemens
Item
Magnetic Contactor: 3 Poles, 24V DC, 51 A
Category
Safety Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20361KB443MA0
Type
51 A, SIRIUS 3RT Safety Contactors
DC
24V
Integrated Surge Suppression
Yes
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, operating at 24V DC and rated for 51 A. It features integrated surge suppression and is identified by manufacturer part number 3RT20361KB443MA0.

Frequently Asked Questions

What is the SIEMENS 3RT20361KB443MA0 safety contactor used for?

The SIEMENS 3RT20361KB443MA0 is a SIRIUS 3RT safety contactor used for safely switching and isolating industrial machinery and equipment. It is commonly applied in emergency-stop circuits, safety gates, and other machine-safety functions where reliable disconnection of power is required.

What are the specifications of the SIEMENS 3RT20361KB443MA0?

This SIEMENS safety contactor has 3 poles, a coil voltage of 24V DC, and a rated current of 51 A. It is part of the SIRIUS 3RT series and includes integrated surge suppression. The manufacturer part number is 3RT20361KB443MA0.

Where to buy the SIEMENS 3RT20361KB443MA0 in worldwide?

You can source the SIEMENS 3RT20361KB443MA0 safety contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine Siemens components for your safety applications.

How to install the SIEMENS 3RT20361KB443MA0 safety contactor?

Mount the contactor on a DIN rail or panel using the provided slots. Connect the 24V DC control voltage to the coil terminals, and wire the main power contacts for your load (up to 51 A). Ensure the integrated surge suppression is properly grounded. Always follow Siemens installation guidelines and local safety 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

Siemens Products

3G Electric supplies Siemens safety contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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