Siemens SIRIUS 3RT2015-2XF42-0LA2 Traction Contactor, 7A, 3kW/400V, DC 72-125V, Size S00, Spring Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2015-2XF42-0LA2 Traction Contactor is a high-performance 3-pole contactor designed for demanding applications, particularly those requiring reliable DC coil operation and compact design. Part of the SIRIUS 3RT2 family, this Size S00 contactor is engineered for use in applications such as railway/traction systems, ensuring superior switching capability for motors up to $3\text{ kW}$ at $400\text{ V}$. Its unique features, like the solid-state operating mechanism and integrated varistor, simplify wiring and offer robust protection against voltage surges.

Benefits & Features

• Reliable Traction/Railway Performance: Specifically designed for demanding traction applications and extended DC control voltage ranges ($72\text{–}125\text{ V DC}$), ensuring stable operation under fluctuating conditions.
• Space-Saving Design: Compact Size S00 form factor allows for integration into small control panels and restricted spaces.
• Enhanced Coil Protection: Features a solid-state operating mechanism and a built-in integrated varistor for maximum coil protection against damaging voltage spikes, eliminating the need for external surge suppressors.
• Fast, Secure Wiring: Spring-loaded terminals (spring-type terminals) offer vibration-proof, maintenance-free, and rapid wiring connections compared to traditional screw terminals.
• High Visibility & Standard Compliant: Meets $AC\text{–}3\text{e/AC-3}$ standards for switching squirrel-cage motors, making it suitable for a wide range of industrial motor switching tasks.

Function & Application

The 3RT2015-2XF42-0LA2 functions as an electromechanical switching device primarily used for switching and controlling electric motors and other resistive or non-inductive loads. Its specialized traction contactor design makes it ideal for:

1. Railway and Transportation Systems: Reliable switching of power circuits in locomotives, trams, and other rail applications with variable DC supply.
2. Motor Control: Switching 3-phase motors (up to $3\text{ kW}$) in standard industrial machinery.
3. Automation & PLC Outputs: The solid-state control mechanism makes it perfectly suited for direct operation by PLC outputs (Programmable Logic Controllers).

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