Overview
The Siemens 3RT2018-2LB42-2LA0 is a high-performance traction contactor designed for reliable operation in demanding industrial and traction applications. Its robust construction ensures efficient switching of AC motors up to 7.5 kW at 400V, while its integrated varistor protects the contactor from voltage spikes. The contactor comes with spring-loaded terminals for secure connections and a convenient series resistor for optimal functionality. Ideal for suspended mounting, it ensures both durability and safety in heavy-duty applications.
Key Benefit
-
High Reliability: Built for long-term performance in industrial and traction environments.
-
Overvoltage Protection: Integrated varistor protects equipment from voltage spikes.
-
Efficient Motor Control: Supports AC-3e/AC-3 operation for motors up to 7.5 kW / 400V.
-
Compact & Flexible: Frame size S00 allows for easy installation even in tight spaces.
-
Enhanced Safety: Auxiliary contacts (1 NC) and spring-loaded terminals ensure secure and reliable connections.
-
Plugged-On Series Resistor: Simplifies integration in control circuits.
Functions & Features
-
Rated current: 16 A
-
Rated operational power: 7.5 kW / 400 V
-
Number of poles: 3-pole
-
Coil voltage: 24 V DC
-
Operational range: 0.7–1.25 Uc*
-
Integrated varistor for overvoltage protection
-
Auxiliary contacts: 1 NC
-
Spring-loaded terminals for quick and secure wiring
-
Frame size: S00
-
Includes plugged-on series resistor
-
Suitable for suspended mounting
For more of our products, technical support, or to check stock availability for the Siemens 3RT2018-2LB42-2LA0 contactor, please visit Turll today!













Reviews
There are no reviews yet.