Siemens 3RT1055-6XJ46-0LA2 Power Contactor 150 A, AC-3, 75 kW, 72 V DC, 3-Pole Original Brand New

Overview

The Siemens 3RT1055-6XJ46-0LA2 is a high-performance industrial power contactor designed for demanding switching applications in AC-3e/AC-3 environments. Engineered to deliver exceptional reliability, the unit supports 150 A and 75 kW at 400 V, making it ideal for controlling motors and heavy-duty electrical systems. With a 72 V DC operating voltage range (0.7–1.25) and PLC-compatible input from 24–110 V DC, this contactor ensures flexible integration into modern automation systems. Built for extended durability under railroad-rated conditions (IEC 60077), it offers robust operation even in harsh environments.

Benefit

• High Switching Performance: Supports AC-3e/AC-3 150 A and 75 kW, providing reliable operation for large motors and industrial loads.

• Wide PLC Input Range: Accepts 24–110 V DC, ensuring broad compatibility with automation and control systems.

• Enhanced Durability: Meets IEC 60077 railroad standards, offering reliable performance in vibration-intensive and harsh environments.

• Flexible Integration: Features 2 NO + 2 NC auxiliary contacts, enabling versatile control circuit configurations.

• Ease of Installation: Equipped with screw terminals for auxiliary circuits and busbar control for main circuits.

• Electronic Drive System: Ensures efficient operation with reduced wear and improved switching accuracy.

Function

• Motor Control: Designed for switching and controlling motors in heavy-duty and continuous-load applications.

• Industrial Automation Integration: Fully compatible with PLC systems thanks to its broad input voltage spectrum.

• High-Load Switching: Maintains stable performance for high current and high-power applications.

• Auxiliary Circuit Support: Provides multiple auxiliary contacts (2 NO + 2 NC) for additional control and feedback functions.

• Railway and Transportation Applications: Rated for extended operational conditions in railway environments per IEC 60077.

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