Siemens 3RT20172JB42

Siemens 3RT20172JB42 Overview

The Siemens 3RT20172JB42 is a globally utilized industrial contactor designed for managing electrical power circuits in automation systems. It plays a critical role in controlling motors and other heavy-duty electrical loads within various industrial environments.

Key Technical Features and Applications of 3RT20172JB42

• Robust coil design enables reliable switching performance in demanding manufacturing settings
• Compact modular structure facilitates easy integration into control panels with limited space
• High switching capacity supports operation of three-phase motors up to specified power ratings, ensuring efficient motor management
• Durable contacts provide extended service life under frequent load cycles, minimizing maintenance downtime

Commonly employed in motor control centers and automation assemblies where precise and sustained power regulation is essential for operational continuity.