Transformer Protection and Control Relay RET620 IEC
RET620 is a compact and versatile protection and control relay for two-winding power and step-up transformers. It provides extensive transformer protection, supervision, measurement, control, and supports automatic voltage regulation for OLTC transformers
Technical specifications
Advanced differential protection with high inrush stability
Protection, control, monitoring and supervision integrated in one relay
Supports various neutral-earthing methods (high-impedance / low-impedance REF)
Optional automatic voltage regulation for OLTC transformers
Optional arc protection
Withdrawable plug-in unit for fast installation and testing
Large graphical display + web-browser based HMI with customizable SLDs
IEC 61850 Ed.1 & Ed.2, HSR/PRP redundancy, GOOSE, IEC 61850-9-2 LE
Supports Modbus, DNP3, IEC 60870-5-103
IEEE 1588 V2 PTP high-accuracy time synchronization
Wide functional scalability and configurable logic
Protection, control, monitoring and supervision integrated in one relay
Supports various neutral-earthing methods (high-impedance / low-impedance REF)
Optional automatic voltage regulation for OLTC transformers
Optional arc protection
Withdrawable plug-in unit for fast installation and testing
Large graphical display + web-browser based HMI with customizable SLDs
IEC 61850 Ed.1 & Ed.2, HSR/PRP redundancy, GOOSE, IEC 61850-9-2 LE
Supports Modbus, DNP3, IEC 60870-5-103
IEEE 1588 V2 PTP high-accuracy time synchronization
Wide functional scalability and configurable logic
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