Siemens 3RT2028-2XJ40-0LA2 Traction Contactor 38A, 18.5kW, 3-Pole, 72V DC with Solid-State Mechanism Original Brand New

Overview

The Siemens 3RT2028-2XJ40-0LA2 traction contactor is a high-performance switching solution engineered for demanding industrial and automation applications. Designed for reliability and long service life, this 3-pole contactor supports up to 38 A and 18.5 kW at 400 V, making it ideal for AC-3e/AC-3 motor control environments. With a 72 V DC solid-state operating mechanism and an integrated varistor, it delivers stable operation, fast switching, and enhanced electrical protection.

Benefit

• Exceptional Reliability: The solid-state operating mechanism and integrated varistor dramatically increase the lifespan and reliability of the contactor, especially in harsh electrical environments.

• Maintenance-Free Connection: Spring-loaded terminals eliminate the need for retightening screws, reducing maintenance costs and downtime.

• Space Saving: The compact S0 frame size allows for high-density control panel construction.

• High Performance DC Coil: Designed specifically for DC power networks, ensuring consistent and stable operation.

• Simplified Wiring: Includes factory-integrated auxiliary contacts (1 NO + 1 NC) for immediate use in control schemes.

Technical Features

• Rated Current: 38 A

• Power Rating: 18.5 kW (400 V)

• Voltage Supply: 72 V DC, operating range 0.7–1.25 × Uc

• Poles: 3-pole

• Operating Mechanism: Solid-state

• Integrated Varistor: Yes

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Spring-loaded terminals

• Frame Size: S0

• Application: Traction systems, motor control, automation equipment, switching devices

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