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EN/IEC 61850-3
Diagnostics: Per-channel fault detection and field feedback monitoring
R (Resistance)
Environmental Protection: Stainless-steel membrane
Natural Frequency: 8Hz ± 1
ABB RET620 Transformer Protection Relay Analog Input Field Termination Assembly EN/IEC 61850-3Description The RET620 is part of ABB's Relion family and is specifically designed for two winding power transformers. It integrates protection, control, monitoring, and supervision functionalities in one compact unit. Specifications Operating Voltage: 24 250 V DC or 48 240 V AC Power Consumption: 10 W (typical) Frequency: 50 60 Hz Communication Protocols: IEC 61850 Edition 1 and 2, Modbus, DNP3, IEC 60870 5 103 Time Synchronization: IEEE 1588 V2