Siemens SIPROTEC 4 Manual page 317

[einschub-7sj80-20071107, 1, --_--]
Figure 3-3
Replacing the Fuse
The fuse holder is located at the edge of the basic I/O board close to the power supply connection.
[7sx80-fuse-basic-io-080408, 1, en_US]
Figure 3-4
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Electronics block without housing
Placing the fuse
Mounting and Commissioning
3.1 Mounting and Connections
317