Table of contents
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
15
A Appendix ........................................................................................................................................... 551
A.1 Basic settings of the electronic trip unit on delivery .............................................................. 551
A.2 Time-current characteristic of the ETU300 electronic trip unit ........................................... 557
A.3 Time-current characteristic of the ETU600 electronic trip unit ........................................... 558
A.4 ETU600 menu structure ................................................................................................................ 559
A.5 Device numbers according to IEEE standard C37.2 ................................................................ 562
A.6 ZSI system over seven grading levels ........................................................................................ 564
A.7 Overview of possible coding variants ......................................................................................... 565
B ESD guidelines ................................................................................................................................. 567
B.1 Electrostatic sensitive devices (ESD) ........................................................................................ 567
C List of abbreviations ........................................................................................................................ 569
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