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Siemens Magnetic Contactor: 3 Poles, 24V DC, 32 A - Safety Contactors
SiemensSafety Contactors

Siemens Magnetic Contactor: 3 Poles, 24V DC, 32 A

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, MPN 3RT20271BB443MA0. It operates at 24V DC and 32 A, with no integrated surge suppression.

SKU 3G-OTH-39522

Brand
Siemens
Item
Magnetic Contactor: 3 Poles, 24V DC, 32 A
Category
Safety Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20271BB443MA0
Type
32 A, SIRIUS 3RT Safety Contactors
DC
24V
Integrated Surge Suppression
No
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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, MPN 3RT20271BB443MA0. It operates at 24V DC and 32 A, with no 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 3RT20271BB443MA0 safety contactor used for?

The SIEMENS 3RT20271BB443MA0 is a SIRIUS 3RT safety contactor used for safely switching motors and loads in industrial machinery, conveyors, and automation systems. It provides reliable isolation and emergency-stop functionality in safety circuits, meeting IEC standards for machine safety.

What are the specifications of the SIEMENS 3RT20271BB443MA0 contactor?

This SIEMENS SIRIUS 3RT safety contactor has 3 poles, operates at 24 VDC, and is rated for 32 A. It does not include integrated surge suppression. The manufacturer part number is 3RT20271BB443MA0. It is designed for IEC magnetic contactor applications in industrial control panels.

Where to buy the SIEMENS 3RT20271BB443MA0 contactor worldwide?

You can source the SIEMENS 3RT20271BB443MA0 safety contactor worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead times. We supply genuine Siemens SIRIUS 3RT components for industrial automation.

How to install the SIEMENS 3RT20271BB443MA0 safety contactor?

Mount the SIEMENS 3RT20271BB443MA0 on a DIN rail or panel using the provided clips. Wire the 24 VDC coil to a safety relay or PLC output, and connect the main contacts per your motor circuit. Follow Siemens SIRIUS 3RT installation guidelines for proper torque and clearance.

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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