ABB SPAU330 C1-AA Voltage Relay Most Favorable Auxiliary Supply Module It ensures consistent performance with

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

Number of axes: 6

Net Depth: 410 mm

Compact and lightweight form factor facilitates integration into constrained spaces

Mounting Type: DIN rail or TU base unit

ABB SPAU330 C1-AA Voltage Relay Most Favorable Auxiliary Supply Module It ensures consistent performance withProduct 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 While the product is no longer active (since 2009), it remains a reliable reference solution