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Siemens Magnetic Contactor: 3 Poles, 24V DC, 17 A - Safety Contactors
SiemensSafety Contactors

Siemens Magnetic Contactor: 3 Poles, 24V DC, 17 A

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, MPN 3RT20251BB443MA0. It operates at 24V DC with a current rating of 17 A and does not include integrated surge suppression.

SKU 3G-OTH-40394

Brand
Siemens
Item
Magnetic Contactor: 3 Poles, 24V DC, 17 A
Category
Safety Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20251BB443MA0
Type
17 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 3RT20251BB443MA0. It operates at 24V DC with a current rating of 17 A and does not include 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 3RT20251BB443MA0 safety contactor used for?

The SIEMENS 3RT20251BB443MA0 is a SIRIUS 3RT safety contactor used to safely interrupt power in industrial machinery and control systems. It is commonly applied in emergency-stop circuits, safety gates, and other machine-safety functions across manufacturing, packaging, and process industries.

What are the specifications of the SIEMENS 3RT20251BB443MA0?

This SIEMENS IEC magnetic contactor has 3 poles, operates at 24V DC, and is rated for 17 A. It is part of the SIRIUS 3RT safety contactor series and does not include integrated surge suppression. The manufacturer part number is 3RT20251BB443MA0.

Where to buy the SIEMENS 3RT20251BB443MA0 worldwide?

3G Electric supplies the SIEMENS 3RT20251BB443MA0 safety contactor to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this SIRIUS 3RT series component.

How to select the correct SIEMENS safety contactor for my application?

To select the correct SIEMENS safety contactor, match the coil voltage (24V DC for this model), current rating (17 A), and pole count (3 poles) to your circuit requirements. Verify that the contactor meets your safety category and that surge suppression is handled externally if needed.

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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