Siemens 3RT2017-2KB42-1LA0 Traction Contactor 12A, 5.5 kW, 3-Pole, 24V DC, Integrated Suppressor Diode Original Brand New

Overview

The Siemens 3RT2017-2KB42-1LA0 is a reliable traction contactor engineered for demanding industrial and automation applications. Designed for AC-3e/AC-3 load types, it provides consistent switching of motors up to 5.5 kW at 400 V. With its compact 3-pole configuration and 24 V DC coil, it ensures efficient and safe control in PLC-based systems.

Key Benefit

• Reliable Motor Control: Handles AC-3 and AC-3e loads efficiently up to 12 A, 5.5 kW / 400 V.

• Integrated Suppressor Diode: Minimizes voltage spikes, protecting PLC outputs and extending system lifespan.

• Compact Design: Frame size S00 and upright mounting position allow easy installation in tight control panels.

• PLC Compatible: Spring-loaded terminals and no additional auxiliary switch required simplify integration with automated systems.

• Durable Construction: Built to endure frequent switching cycles in traction and industrial applications.

Functions & Features

• AC-3e/AC-3 motor switching capability

• Coil voltage: 24 V DC, adjustable 0.7–1.25 Uc

• 3-pole configuration for robust motor control

• Integrated suppressor diode to protect PLC outputs

• One normally closed (1 NC) auxiliary contact

• Spring-loaded terminals for secure and easy wiring

• Upright mounting orientation

• Frame size: S00, compact and space-saving

• No additional auxiliary switch can be added

Technical Specification

• Product Number: 3RT2017-2KB42-1LA0

• Current Rating: 12 A

• Motor Power: 5.5 kW / 400 V

• Poles: 3

• Coil Voltage: 24 V DC

• Auxiliary Contacts: 1 NC

• Mounting Position: Upright

• Frame Size: S00

• Compatibility: PLC outputs

Application

The 3RT2017-2KB42-1LA0 Contactor is the ideal choice for switching three-phase motors and resistive loads in:

• Rail/Traction Systems and other mobile equipment.

• Industrial control panels with high vibration.

• Automated machinery and plant engineering controlled by PLC systems.

• Any application where fast, reliable, and maintenance-free spring-loaded connections are preferred.

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