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Table of Contents

Preface..........................................................................................................................................................3

Open Source Software..................................................................................................................................9

1 Protection of Explosion-Proof Motors.........................................................................................................13

2 Application and Setting Notes....................................................................................................................15

3 Operate Curve ............................................................................................................................................19

3.1 Operate Curve for Symmetric Load.................................................................................... 20

3.2 Operate Curve for Asymmetrical Load................................................................................23

4 Setting Example......................................................................................................................................... 25

5 Assessment of Functional Safety According to IEC 61508......................................................................... 31

6 Information on Installation, Connection, and Operation...........................................................................33

7 Maintenance ..............................................................................................................................................37

A Appendix.................................................................................................................................................... 39

A.1 Ordering Information........................................................................................................ 40

A.2 Label on the Device...........................................................................................................41

A.3 Declaration of Conformity................................................................................................. 42

Literature.................................................................................................................................................... 45

SIPROTEC 5, Additional Information on the Protection of Explosion-Proof Motors with Type of Protection Increased Safety e,

Manual

C53000-H5050-C078-1, Edition 03.2019