ABB HIEE205010R0001 UNS3020A-Z V1 Ground Fault Relay Advanced Fault Protection Module
The ABB HIEE205010R0001 UNS3020A-Z V1 Ground Fault Relay is designed for detecting ground faults in medium and high-voltage systems. Key specifications include a sensitivity range of 10mA to 20A and a response time of <30ms. It's typically used in power distribution networks, industrial plants, and renewable energy installations. Compared to the ABB SPAU130C-AA, the UNS3020A-Z V1 offers higher sensitivity and faster response, making it suitable for more critical applications where rapid fault detection is essential.
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