Siemens 3RT2018-2LJ82-0LA0 SIRIUS Contactor Traction, AC-3/AC-3e, 16A, 7.5kW, 72V DC Coil with Integrated Varistor Original Brand New

Overview

The Siemens 3RT2018-2LJ82-0LA0 is a high-performance SIRIUS traction contactor designed for demanding applications. This compact and robust 3-pole contactor, from the S00 frame size, is engineered for reliable switching of AC motors in a wide range of industrial environments. Its specialized design for traction applications, combined with a 72V DC coil, makes it ideal for use in mobile and low-voltage DC systems where stable and consistent performance is critical.

The contactor features a rated operational current of 16 A for AC-3 and AC-3e applications and is capable of handling motor loads up to 7.5 kW at 400 V. A key feature is the integrated varistor, which provides essential surge protection for the coil, extending the lifespan and ensuring reliable operation. The spring-loaded terminals offer a secure and vibration-resistant connection, simplifying wiring and reducing maintenance. Additionally, the pre-installed series resistor further optimizes its performance for specific applications.

Benefit

• High Reliability: Built with Siemens' renowned quality, this contactor provides consistent and long-lasting performance, reducing downtime and maintenance costs.
• Space-Saving Design: The compact S00 frame size allows for installation in tight spaces, making it suitable for modern control panels and machinery.
• Enhanced Protection: The integrated varistor protects the coil from voltage surges, safeguarding the control circuit and increasing the device's durability.
• Vibration-Resistant Connections: Spring-loaded terminals ensure a secure, maintenance-free connection, ideal for traction applications where vibrations are common.
• Versatile Application: Suitable for a wide range of AC motor switching tasks, particularly those requiring a 72V DC control voltage.

Key Functions & Features

• Product Number: 3RT2018-2LJ82-0LA0
• Product Type: Traction Contactor
• Rated Operational Current (AC-3e/AC-3): 16 A
• Motor Power (at 400V): 7.5 kW
• Number of Poles: 3-pole
• Control Supply Voltage: 72 V DC
• Voltage Tolerance: 0.7 to 1.25 times the rated control voltage (Uc)
• Coil Protection: Integrated varistor
• Auxiliary Contacts: 1 normally closed (NC)
• Terminal Type: Spring-loaded terminal
• Frame Size: S00
• Additional Components: Plugged-on series resistor

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