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  • ABB SPAU 330 C1-AA Voltage Protection Relay

    ABB SPAU 330 C1-AA Voltage Protection Relay

    ABB

    ABB SPAU 330 C1-AA Voltage Protection Relay

    Product Description The ABB SPAU 330 C1-AA is a multi-functional voltage monitoring and protection relay designed for precise supervision of busbar phase-to-phase voltages and residual voltage ($U_0$) in medium- and high-voltage power systems. As part of...
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