Siemens 3RH21401BG40

Siemens 3RH21401BG40 Overview

The Siemens 3RH21401BG40 is a globally recognized auxiliary contact block designed to extend the functionality of industrial motor starters and contactors. It facilitates reliable signal transmission in complex control circuits.

Key Technical Features and Applications of 3RH21401BG40

• Compact auxiliary contact configuration enables seamless expansion of contactor control and monitoring capabilities in electrical panels.
• Robust contact design ensures stable switching behavior and long service life under frequent operation in automation systems.
• Easy snap-on mounting allows quick integration with Siemens contactors, reducing assembly time in industrial environments.
• Electrical ratings support diverse control voltages, making it adaptable for various machinery and process control applications.

This component is essential for systems requiring enhanced circuit feedback, such as factory automation lines and assembly machines where precise control sequencing is critical.