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RT22A

Abstract: Siemens RT22A REYROLLE 2C21 ddgt RQ4 aeg 2c21* RELAY asea transformer 2C21 westinghouse transformer westinghouse relay
Text: A SE A INFORMATION RK 60-401 E C om parison betw een th e ASEA tra n s fo r m e r d iffe re n tia l p ro te c tio n type RYDSA 20 and co rresp o n d in g p ro te c tio n s of o th e r m akes CONFIDENTIAL GENERAL O utstanding fe a tu re s of RYDSA 20 C la ssific a tio n of th e p ro tectio n s