7SA511 Line Protection RelayChapter 4

4.3.1 Removing the Relay’s Front Cover

Figure 4-2 illustrates how to remove the relay’s front cover. Once the cover is removed, continue with section 4.3.2, “ Removing/Installing Relay Module.”

Step1. Flip down door

Step 2. Loosen screws

Front Cover

Step 3. Remove cover

Figure 4-2.Removing the Relay's Front Cover.

4.3.2 Removing/Installing Relay Modules

The relay basic module must be removed from its housing to insert the battery as described in section 4.6. Removal of relay modules is also required to perform some of the maintenance procedures described in Chapter 8 of this manual. See Figure 4-3 and the following instructions for the proper removal and replacement procedure.

July 27, 1995

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Siemens 7SA511 manual Removing the Relay’s Front Cover, Removing/Installing Relay Modules