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34006452EN/AC - Page 15
Description of MGE
TM
Galaxy
TM
9000 cubicles
2.2 Static Switch Cubicle
Fig. 19
2.3 External maintenance bypass cubicle
Fig. 20
Static Switch Cubicles are rated 500, 800, 1200 and 2000 kVA. Figure 19 presents the layout of components in these cubicles.
Legend for figure 19:
2-Mains 2 input switch Q4S,
3-maintenance bypass switch Q3BP,
4-output switch Q5N,
5-static switch module,
6-electronic control boards for the backup
function,
7-protection fuses FU1 for the Mains 2
resistance/capacitance voltage surge
protection network,
8-fuse switch Q1 (protection of the control
electronics power supply against Mains 1),
9-fuse switch Q2 (protection of the control
electronics power supply against Mains 2),
10 - "Media Contacts 9" remote indications
board,
11 - additional "Media Contacts 15" remote
indications board (optional).
Legend for figure 20:
1-connection of auxiliary wires to indicate the positions of switches Q5N and Q3BP,
2-maintenance bypass switch Q3BP,
3-output switch Q5N.
front view, doors open, protective covers removed
8
5
6
97
2
3
4
10
11
5
6
5
2
3
4
897
11 10
4
3
2
7
6
89
11
10
5
500 or 800kVA cubicle
1200kVA cubicle
2000kVA cubicle
1200kVA cubicle
2
3
1