Siemens 3RT2018-2XB41-2LA2 SIRIUS Power Contactor, 16A, 7.5kW, 3-Pole, DC, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2018-2XB41-2LA2 is a high-performance SIRIUS 3RT2 traction contactor designed for demanding industrial and railway applications. This robust 3-pole contactor is engineered to handle a rated operational current of 16 A and a power rating of 7.5 kW at 400 V, making it suitable for a wide range of motor switching and control tasks. Its specialized design for traction applications ensures superior reliability and durability in environments with significant vibration and shock.

Key Features & Benefit

• Robust Traction Design: Engineered for high-vibration environments, ensuring reliable operation in railway and other mobile applications.
• Solid-State Operating Mechanism: Provides a consistent and reliable switching action, minimizing mechanical wear and extending the product’s lifespan.
• Integrated Varistor: Protects the coil from voltage spikes, enhancing the longevity of the contactor and the overall control circuit.
• Auxiliary Contacts (1 NO): Offers additional signaling and control capabilities, seamlessly integrating into complex control systems.
• Flexible DC Control: Operates on a wide DC control voltage range of 24-34 V DC, making it adaptable to various power supplies.
• Spring-Loaded Terminals: Ensures fast, secure, and vibration-proof connections, reducing installation time and maintenance needs.
• Space-Saving Design: With a compact frame size of S00, it allows for efficient use of panel space.
• Suspended Mounting Position: Provides installation flexibility, especially in confined or specialized setups.

Function

The Siemens 3RT2018-2XB41-2LA2 serves as a power contactor for switching 3-phase AC motors. It is specifically rated for AC-3e/AC-3 applications, which are standard for motor control in industrial machinery. Its unique design for traction ensures it can withstand the electrical and mechanical stresses of railway and other mobile systems. The solid-state operating mechanism and integrated varistor work together to provide a highly reliable and durable switching solution, while the auxiliary contact allows for feedback to a PLC or other control system, confirming the contactor’s state.

Technical Specification

• Product Type: Traction Contactor
• Product Number: 3RT2018-2XB41-2LA2
• Rated Operational Current: 16 A (at AC-3e/AC-3)
• Rated Power: 7.5 kW (at 400 V)
• Number of Poles: 3
• Control Voltage: 24-34 V DC
• Control Range: 0.7 – 1.25 * Uc
• Operating Mechanism: Solid-State with integrated varistor
• Auxiliary Contacts: 1 NO (Normally Open)
• Terminal Type: Spring-loaded
• Frame Size: S00
• Mounting Position: Suspended
• Manufacturer: Siemens
• Series: SIRIUS

Application

• Railway and Train Systems
• Industrial Machinery and Automation
• Material Handling Equipment
• Cranes and Hoists
• Conveyor Systems
• HVAC Systems

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