Siemens 3RH21311KB40

Product Overview

The Siemens 3RH21311KB40 is a globally recognized industrial control contactor widely used for managing electrical circuits in automation systems. Distributed internationally, it plays a critical role in ensuring reliable switching operations within diverse industrial environments.

Key Technical Features and Applications of 3RH21311KB40

• Designed for AC-3 utilization category, enabling efficient control of squirrel-cage motors in manufacturing processes
• Compact construction allows integration into densely packed control panels, optimizing space utilization
• Rated for operational voltages up to 690 V, supporting medium-voltage motor control applications
• High mechanical endurance ensures extended service life under frequent switching cycles in assembly lines
• Suitable for connection with auxiliary contacts to facilitate complex control logic in automated systems

Typically employed in motor starting circuits for conveyor systems and essential in automated production lines requiring robust motor control.