Siemens 3VA11166ED420AA0


The Siemens 3VA11166ED420AA0 is a selector switch designed for communication and signaling functions in industrial automation systems, distributed globally. It plays a critical role in controlling and managing signal transmission within complex electrical assemblies.
Key Technical Features and Applications of 3VA11166ED420AA0
- Robust selector mechanism enables precise switching between communication channels, ensuring reliable signal routing in industrial control panels.
- Compact design allows integration into space-constrained environments without compromising accessibility or durability.
- Compatible with a range of Siemens protection devices, facilitating streamlined system diagnostics and operational continuity.
- High electrical endurance supports frequent switching cycles, making it suitable for dynamic industrial processes.
Typical Use Cases
This selector switch is essential in industrial automation setups requiring manual intervention for signal selection, such as motor control centers and PLC-based communication networks. It is also widely utilized in complex machinery where clear status signaling is mandatory for safe operations.
Full Support for Every Part We Supply
Product Details for 3VA11166ED420AA0
Check out other Siemens products








If you didn't find the automation part you were looking for, our support team is here to help. Just contact us, and we'll do our best to source the exact part you need. We're committed to meeting your needs and ensuring your satisfaction.
Contact Us Now