Siemens 3RT2036-1XF40-0LA2 Traction Contactor 51A, 22kW / 400V, 3-Pole, 110V DC Original Brand New

Overview

The Siemens 3RT2036-1XF40-0LA2 is a high-performance traction contactor designed for reliable operation in demanding electrical applications. With a robust solid-state operating mechanism, integrated varistor protection, and versatile auxiliary contacts, this contactor ensures safety, durability, and optimal performance in AC-3e/AC-3 motor circuits. Ideal for industrial machinery and traction systems, it combines precision engineering with Siemens’ trusted reliability.

Key Benefit

• Reliable Performance: Handles up to 51 A and 22 kW / 400 V in AC-3 applications.

• Durable Design: Solid-state operating mechanism for long-lasting, maintenance-free operation.

• Integrated Protection: Built-in varistor safeguards equipment against voltage spikes.

• Flexible Connectivity: Screw terminals and auxiliary contacts (1 NO + 1 NC) provide easy installation and control options.

• Versatile Use: Suitable for traction and industrial motor circuits, compatible with 110V DC coil control and a wide operating range (0.7–1.25*Uc).

Function and Application

This Siemens 3RT2 Contactor functions as a primary switching device for controlling electric motors in traction systems. Its main function is to reliably establish and interrupt the connection between the power supply and the motor load.

• Primary Application: Switching three-phase motors in railway, tram, and other electric vehicle traction systems (AC-3e/AC-3 load).
• Control Integration: The 1 NO and 1 NC auxiliary contacts provide essential feedback to control systems (PLCs, monitoring) for operational status (ON/OFF).
• High Performance: Capable of handling a substantial load of 51 A and 22 kW at 400 V.

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