Siemens 3RT2018-2XB42-0LA2 Contactor 16A, 7.5kW, 24-34V DC, S00 Traction, Spring-Loaded Original Brand New

Overview

The Siemens 3RT2018-2XB42-0LA2 is a high-performance traction contactor designed for reliable switching of AC motors in industrial and railway applications. Part of the SIRIUS series, this compact S00 frame size contactor is built for durability and efficiency.

Its integrated varistor protects against voltage spikes, while the solid-state operating mechanism ensures a wide control voltage range (0.7 to 1.25*Uc). The 1 NC auxiliary contact provides essential feedback for control systems, and the user-friendly spring-loaded terminals simplify installation, saving valuable time.

Key Features & Function

• High Performance: Rated for AC-3e/AC-3 applications, handling up to 16 A and 7.5 kW at 400 V.
• Traction-Specific Design: Optimized for the demanding conditions of traction applications, offering enhanced reliability and robustness.
• Solid-State Operating Mechanism: Provides a wide control voltage range of 24-34 V DC (0.7-1.25*Uc), making it highly adaptable to varying power supplies.
• Integrated Varistor: Protects the coil and connected components from harmful voltage surges and spikes, extending the product’s lifespan.
• Compact Frame Size S00: Saves space in control cabinets and enclosures without compromising on performance.
• Single NC Auxiliary Contact: Offers a normally closed contact for seamless integration into control circuits and feedback systems.
• Spring-Loaded Terminals: Ensures fast, secure, and maintenance-free wiring connections, ideal for environments with vibrations.
• 3-Pole Configuration: Suitable for a wide range of three-phase motor control applications.

Benefit

• Enhanced Reliability: Built to withstand the tough environments of traction and industrial applications, reducing downtime.
• Cost-Effective: The integrated varistor eliminates the need for external surge suppression, simplifying wiring and reducing component costs.
• Quick and Easy Installation: The spring-loaded terminal design allows for rapid, tool-free wiring, significantly reducing installation and maintenance time.
• Space-Saving Solution: Its compact size is perfect for modern, high-density control panels.
• Versatile Application: Ideal for motor control in railway, industrial machinery, and automation systems.

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