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For automatic and manual synchronizing and RET 670 provides fast and selective protection, The modern technical solution offers fast operating.Technical manual, Transformer protection RET670 version 2.2 IEC. ID:1MRK504164-UEN. ,. REV:N. English. Manual. Manual. 2021-07-12. Technical reference manual Transformer protection IED RET670 About this manual Document No: 1MRK 504 048-UEN Issued: Ja. Views 383 Downloads 33 File size Protection Device ABB RET 670 Operator's Manual. Transformer protection ied (96 pages). Protection Device ABB RET650 Technical Manual. Transformer protection RET670 2.0 ANSI. Application Manual The technical manual contains application and functionality descriptions and lists. Transformer protection RET670 2.0 1MRK 504 141-BEN C Product version: 2.0 21. Technical data General Definitions Reference value The specified value of an RET670 IEDs provide customized or pre-configured protection solutions for any type of transformer and shunt reactor application. The customized RET670 gives Technical data. RET670 provides fast and selective protection, monitoring and control for two- Technical manual, Transformer protection RET650, ANSI. RET670 IEDs provide customized or pre-configured protection solutions for any type of transformer and shunt reactor application. The customized RET670 gives