Siemens 3RT2046-1XF40-0LA2 SIRIUS 3RT2 Traction Contactor, S3, 95A, 45kW, 110V DC Coil Original Brand New

Overview

The Siemens SIRIUS 3RT2 Traction Contactor (3RT2046-1XF40-0LA2) is a robust, high-performance 3-pole contactor specifically designed for demanding applications, particularly in the railway and heavy-duty industrial sectors. As part of the SIRIUS 3RT2 family, this Size S3 contactor is engineered for reliable switching of motors under the rigorous requirements of AC-3e/AC-3 duty. It features a sophisticated solid-state operating mechanism and an extra-wide control voltage range for exceptional stability and immunity to supply fluctuations, making it ideal for variable power environments.

Technical Specifications & Features

• Product ID: 3RT2046-1XF40-0LA2
• Brand/Series: Siemens SIRIUS 3RT2
• Contactor Type: Traction Contactor (optimised for railway/transport applications)
• Rated Operational Current (AC-3e/AC-3): 95 A
• Rated Power (at 400 V): 45 kW
• Poles: 3-pole main contacts
• Control Supply Voltage: 110 V DC
• Control Voltage Range: 0.7 to 1.25 * Uc (Wide-range solid-state control)
• Operating Mechanism: Solid-state with integrated electronic control
• Surge Protection: Integrated Varistor
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Connection Type: Screw Terminal (main and auxiliary circuits)
• Frame Size: S3
• Safety Standard: Meets AC-3e (Increased safety and efficiency standards)

Key Benefit

• Unmatched Reliability: The solid-state operating mechanism provides high immunity to voltage drops and fluctuations, ensuring consistent and reliable operation in harsh traction and industrial environments.
• Enhanced Surge Protection: Built-in varistor protects the coil and surrounding circuitry from inductive voltage peaks, increasing the contactor’s lifespan and reducing downtime.
• High Performance in Heavy Loads: Rated for 95A and 45kW (AC-3e/AC-3), this unit is built to handle the high current and demanding load switching of powerful motors.
• Simple Integration: Standard S3 frame size and user-friendly screw terminals ensure easy installation and maintenance within existing control systems and motor starters.
• Global Standard: A genuine Siemens product from the trusted SIRIUS line, guaranteeing quality, compatibility, and compliance with international standards.

Application

• Railway and Train Applications (Traction Systems)
• Heavy Industrial Motor Switching
• High-Current AC-3e/AC-3 Motor Control
• Systems requiring wide-range DC coil voltage stability
• Control Systems in high-vibration or variable-voltage environments

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