Siemens 3TH20400AN1

Siemens 3TH20400AN1 is a globally recognized auxiliary contact block designed for integration with industrial motor starters and control systems. It plays a critical role in extending the functionality of contactors by providing additional switching contacts for control circuit feedback and signaling.

Key Technical Features and Applications of 3TH20400AN1

• Configured with dual contact sets to enable reliable auxiliary switching for monitoring and interlocking in automation processes.
• Compact design facilitates easy mounting on standard Siemens contactors, optimizing panel space without compromising performance.
• Electrical compatibility ensures seamless integration within 24V to 600V control circuits, supporting diverse industrial environments.
• Durable construction withstands frequent mechanical operations, enhancing system longevity in manufacturing and processing plants.

Typical applications include expansion of motor control circuits in assembly lines and incorporation into control cabinets where status indication and safety interlocks are essential.