Siemens 7SR45 Argus User Manual page 96

Self powered/dual powered non-directional overcurrent and earth fault relay
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Contents
Section 1: Installation Guide ............................................................................................................................... 3
1.1 Installation ......................................................................................................................................... 3
1.2 Replacing the Battery ......................................................................................................................... 5
1.3 Post-Installation and Commissioning .................................................................................................. 7
1.4 7SR45 Argus Relay Applications ........................................................................................................ 9
List of Figures
Figure 1-1
Side View (7SR4501/7SR4502) ................................................................................................... 3
Figure 1-2
Side View (7SR4503/7SR4504) .................................................................................................... 3
Figure 1-3
Panel Cut-out View (7SR4501/7SR4502) ..................................................................................... 4
Figure 1-4
Panel Cut-out View (7SR4503/7SR4504) ..................................................................................... 4
Figure 1-5
Removing the Battery Cover ........................................................................................................ 5
Figure 1-6
Removing the Damaged Battery .................................................................................................. 5
Figure 1-7
Removing the Damaged Battery .................................................................................................. 6
Figure 1-8
Placing the Battery Cover ............................................................................................................ 6
Figure 1-9
Removing the Battery Cover ........................................................................................................ 7
Figure 1-10
Flipping the Battery Cover............................................................................................................ 7
Figure 1-11
Removal of Paper Strip ................................................................................................................ 8
Figure 1-12
Placing the Battery Cover ............................................................................................................ 8
Figure 1-13
7SR45 Argus Relay for RMU Application ...................................................................................... 9
Figure 1-14
7SR45 Self Powered Relay for RMU Application .......................................................................... 9
Figure 1-15
7SR45 Self Powered Relay for Distribution Transformer Application ............................................ 10
Figure 1-16
7SR45 Argus Relay for Distribution Transformer Application ....................................................... 11
Figure 1-17
7SR45 Argus Relay with Phase and CBCT Measurement Application ......................................... 12
Figure 1-18
7SR45 Argus Relay with Earth Fault Application ......................................................................... 12
© 2018 Siemens Protection Devices Limited
Chapter 5 - 7SR45 Installation Guide
Chapter 5 Page 2 of 12

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