Siemens 3VA21405HN420AA0

The Siemens 3VA21405HN420AA0 is a communication and protection device widely utilized in industrial automation systems worldwide. It plays a critical role in safeguarding electrical installations while enabling reliable data exchange essential for system monitoring and control.

Key Technical Features and Applications of 3VA21405HN420AA0

• Integrated communication capabilities facilitate seamless interfacing with industrial control networks, enhancing real-time system diagnostics.
• Robust protection functions ensure reliable interruption of electrical faults, minimizing downtime and equipment damage.
• Compact design supports efficient space utilization within switchgear assemblies, optimizing panel layouts.
• Compatibility with Siemens protection relays enables coordinated system protection schemes in complex electrical networks.

Typical Use Cases

This device is indispensable in medium-voltage distribution systems where both protective measures and continuous communication with supervisory control and data acquisition (SCADA) systems are required. It is also essential in industrial plants demanding synchronized protection and monitoring for critical electrical assets.