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Siemens Magnetic Contactor: 3 Poles, 24V DC, 65 A - Safety Contactors
SiemensSafety Contactors

Siemens Magnetic Contactor: 3 Poles, 24V DC, 65 A

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, with part number 3RT20371KB443MA0. It operates at 24V DC and 65 A, and includes integrated surge suppression.

SKU 3G-OTH-39922

Brand
Siemens
Item
Magnetic Contactor: 3 Poles, 24V DC, 65 A
Category
Safety Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20371KB443MA0
Type
65 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, with part number 3RT20371KB443MA0. It operates at 24V DC and 65 A, and includes integrated surge suppression.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 3RT20371KB443MA0 safety contactor used for?

The SIEMENS 3RT20371KB443MA0 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 safety-related control systems to ensure reliable disconnection of power in compliance with machine safety standards.

What are the specifications of the SIEMENS 3RT20371KB443MA0 contactor?

The SIEMENS 3RT20371KB443MA0 is a 3-pole IEC magnetic contactor rated at 65 A with a 24 VDC coil. It features integrated surge suppression and is part of the SIRIUS 3RT safety contactor series. The manufacturer part number is 3RT20371KB443MA0, and it is designed for global industrial applications.

Where to buy the SIEMENS 3RT20371KB443MA0 contactor worldwide?

You can source the SIEMENS 3RT20371KB443MA0 contactor worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine Siemens SIRIUS 3RT components to industrial buyers globally.

How to install the SIEMENS 3RT20371KB443MA0 safety contactor?

Install the SIEMENS 3RT20371KB443MA0 by mounting it on a DIN rail or using screws, ensuring the coil voltage matches your 24 VDC supply. Wire the main poles and control circuit per the wiring diagram on the contactor. Always de-energize the system before installation and follow Siemens SIRIUS 3RT guidelines for safe operation.

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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