Siemens 3RT2017-2LB42-0LA0 Traction Contactor 12A, 5.5 kW / 400V, 3-Pole, 24V DC Original Brand New

Overview

The Siemens 3RT2017-2LB42-0LA0 traction contactor is designed for reliable motor control in demanding industrial and traction applications. Built to handle AC-3e/AC-3 loads, this contactor supports currents up to 12 A and power up to 5.5 kW at 400 V. Its 3-pole design ensures stable performance and effective switching. Equipped with a 24 V DC coil and integrated varistor, this contactor minimizes electrical noise and enhances system longevity.

Key Benefit

• Reliable Performance: AC-3e/AC-3 rated for high efficiency in traction and motor control.

• Durable Design: Integrated varistor protects against voltage spikes, extending service life.

• Easy Installation: Spring-loaded terminals and S00 frame size for quick and secure mounting.

• Enhanced Control: Auxiliary contacts (1 NC) for added monitoring and automation capabilities.

• Versatile Usage: Suitable for industrial motors, traction systems, and automation applications.

Functions & Features

• 3-pole AC-3e/AC-3 traction contactor

• Rated current: 12 A; Rated power: 5.5 kW at 400 V

• Coil voltage: 24 V DC, operating range 0.7–1.25*Uc

• Integrated varistor for surge protection

• Auxiliary contacts: 1 NC

• Spring-loaded terminals for safe and efficient wiring

• Frame size: S00

• Includes plugged-on series resistor for smooth operation

Application

• Railway and Transportation: Switching components in traction systems, braking resistors, or other on-board equipment.
• Marine and Offshore: Applications requiring high resistance to shock and vibration.
• Heavy Industry: Motor control in harsh industrial environments.

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