Siemens 3TH20400BN4

Siemens 3TH20400BN4 Product Overview

The Siemens 3TH20400BN4 is a globally utilized auxiliary contact block designed to enhance the functionality of industrial motor starters and control circuits. Distributed worldwide, this component plays a critical role in expanding control and signaling capabilities within complex automation systems.

Key Technical Features and Applications of 3TH20400BN4

• Designed for seamless integration with Siemens contactors, enabling reliable auxiliary switching in industrial environments
• Facilitates additional contact outputs to support extended control logic, improving system versatility in manufacturing setups
• Compact build allows for space-efficient installation within control panels, optimizing use of cabinet real estate
• Durable construction ensures stable operation under frequent switching cycles, contributing to long-term system reliability

This auxiliary contact block is essential in scenarios requiring expanded signaling options for motor control centers and is commonly employed in process automation systems to maintain precise operational feedback.