Siemens 3RH21401BA40

Siemens 3RH21401BA40 Product Overview

The Siemens 3RH21401BA40 is a globally utilized auxiliary contact block designed to enhance control reliability in industrial automation systems. It is engineered to integrate seamlessly with Siemens contactors, providing precise auxiliary switching functions essential for complex control circuits.

Key Technical Features and Applications of 3RH21401BA40

• Modular contact design supports straightforward installation and maintenance, improving system uptime in manufacturing environments.
• Electrically compatible with a wide range of Siemens contactors, ensuring consistent signal transmission in automation assemblies.
• Durable contact materials provide resistance to electrical arcing, optimizing performance under frequent switching conditions.
• Compact form factor enables integration in space-constrained control panels without compromising functionality.

This auxiliary contact block is commonly applied in motor control centers for status feedback and interlocking purposes, as well as in automated assembly lines where accurate switching and monitoring are critical.