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Functional Diagram; Figure 1-1 Functional Diagram Of 7Sr45 Self Powered Overcurrent And Earth Fault Relay - Siemens 7SR45 Argus User Manual

Self powered overcurrent and earth fault relay
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Use the following ordering information to order 7SR45 self powered overcurrent and earth fault relay battery
spares.
Table 1-1
Battery Spares Ordering Options
Variants
7XG1900-1AA00-1000
7XG1900-2AA00-1000
7XG1900-3AA00-1000
NOTE:
If possible, it is recommended to procure the battery as per the Table 1-1 from the local supplier or local market.
1.5

Functional Diagram

Figure 1-1 Functional Diagram of 7SR45 Self Powered Overcurrent and Earth Fault Relay

© 2017 Siemens Protection Devices Limited
Description
Main Battery CR123A
RTC Battery CR1632
Main Battery CR123A + RTC Battery CR1632
7SR45 Description of Operation
Chapter 1 Page 8 of 34

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