Ref620 Technical Manual (2027)

Characterised by functional scalability and a withdrawable-unit design, allowing for easier maintenance and testing. Standards Compliance: Fully supports the IEC 61850 standard

If you are here to set a relay, skip straight to Chapter 4 or 5 (depending on the revision). Look for the section titled "Protection functions." ref620 technical manual

Hitachi Energy splits the documentation into three distinct documents. Do not confuse them: ref620 technical manual