Siemens 3RT2018-2LF42-0LA0 Traction Contactor, 16A, 110V DC, S00 Original Brand New

Overview

The Siemens 3RT2018-2LF42-0LA0 is a specialized 3-pole traction contactor from the compact SIRIUS 3RT2 series, engineered for reliable switching of motors and other loads in demanding DC applications, particularly in transportation or railway systems (traction applications).

This high-performance device is rated for $AC-3e/AC-3$ operation up to 16 A and 7.5 kW at 400 V. It features a robust 110 V DC operating coil with a wide tolerance range (0.7−1.25×Uc​), ensuring reliable performance under fluctuating conditions. The coil includes an integrated varistor for surge suppression, protecting the control circuit and prolonging component life. Its spring-loaded terminals offer vibration-proof, quick, and maintenance-free wiring.

Benefit

• Maximum Reliability in DC Systems: Specifically designed for traction and demanding DC environments, offering extended service life.
• Reduced Installation Time: The spring-loaded terminal technology provides fast, secure, and maintenance-free wiring, reducing downtime and labor costs.
• Enhanced Component Protection: Integrated varistor effectively suppresses voltage spikes, safeguarding the control circuit from damage.
• Space-Saving Design: Compact frame size S00 allows for high-density installation in control cabinets and panels.
• Global Standard: A genuine Siemens SIRIUS component, ensuring compatibility, quality, and easy integration into existing industrial setups.

Application

This robust 3-pole DC traction contactor is ideal for switching applications in:

• Railway and Locomotive Systems (Traction Applications)
• DC Motor Control Circuits
• Industrial Power Supplies and Converters
• Control Panels requiring vibration-proof, compact switching elements.

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