ABB SPAU330 C1-AA Voltage Relay Most Favorable Auxiliary Supply Module Net Depth: 410 mm

Net Depth: 410 mm

It supports Parallel Redundancy Protocol (PRP) for fault tolerance and can be used in harsh industrial environments

The integrated status LEDs display primary activity

It ensures consistent performance with low power dissipation and minimal heat generation

This helps to protect the chassis from dust and debris and can also improve the overall appearance of the system

ABB SPAU330 C1-AA Voltage Relay Most Favorable Auxiliary Supply Module Net Depth: 410 mmProduct Description The SPAU 330 C voltage relay is designed for overvoltage, undervoltage, and residual voltage supervision in substation busbars and other critical applications. It monitors phase to phase and residual voltages in distribution networks and, when fully equipped, includes a digital disturbance recorder for fault analysis and system diagnostics. While the product is no longer active (since 2009), it remains a reliable reference solution