Siemens 7SR45 Argus User Manual page 44

Self powered overcurrent and earth fault relay
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Contents
Section 1: Performance Specification ................................................................................................................. 3
1.1 Indication of Conformity ..................................................................................................................... 3
1.2 Technical Specifications ..................................................................................................................... 3
1.3 Environmental Performance ............................................................................................................... 5
1.4 Performance Specification ............................................................................................................... 10
List of Tables
Technical Data Overview .............................................................................................................. 3
Sensitivity .................................................................................................................................... 3
Mechanical Specifications ............................................................................................................. 3
Terminal Blocks............................................................................................................................ 4
Current Inputs .............................................................................................................................. 4
Binary Inputs ................................................................................................................................ 4
Binary Outputs ............................................................................................................................. 5
Front Communication Port ............................................................................................................ 5
Data Storage ................................................................................................................................ 5
Environment ................................................................................................................................. 5
Mechanical Tests ......................................................................................................................... 5
Electrical Tests ............................................................................................................................. 6
Climatic/Environmental Tests ........................................................................................................ 7
Product Safety Test ...................................................................................................................... 8
Real Time Digital Simulation Test (RTDS) ..................................................................................... 9
Inrush Response Test (RTDS) ...................................................................................................... 9
50 Instantaneous & DTL OC & EF .............................................................................................. 10
51 Time Delayed OC & EF ......................................................................................................... 10
50LC/SOTF ................................................................................................................................ 10
© 2017 Siemens Protection Devices Limited
7SR45 Performance Specification
Chapter 3 Page 2 of 10

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