Siemens 3TH20400AL2

Siemens 3TH20400AL2 Product Overview

The Siemens 3TH20400AL2 is a globally recognized auxiliary contact block designed to extend the functionality of industrial control devices. Distributed worldwide, it plays a critical role in enhancing electrical signaling within complex automation systems.

Key Technical Features and Applications of 3TH20400AL2

• Compact auxiliary contact block enabling additional signal contacts without increasing device size, optimizing panel space in control cabinets.
• Compatible with a broad range of Siemens contactors, ensuring seamless integration and reliable performance in switching operations.
• Rated for precise electrical switching, supporting effective control circuit monitoring and feedback in industrial automation environments.
• Robust mechanical design providing long service life under high cycle loads common in manufacturing and processing plants.

Contextual Use Cases

Commonly utilized in motor control centers for extending control circuits and in PLC monitoring systems where accurate contact feedback is essential for operational safety.