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Description
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Revision 06 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • 864-5091.9
14
Panel connection
14.1
Features
• Bushings for plugs with inside-cone plug-in system according to EN 50181
• Single and multiple connections possible per phase
• Conection of several cables with different plug sizes possible per phase
• Connection of solid-insulated or gas-insulated bar possible
• Connection of 4MT7 voltage transformer plugged in at the panel connection housing
version 3
• Connection of 4MU3 voltage transformer via flexible cable and plug size 2 at
the panel connection housing
• For rated normal currents up to 2500 A
14.2
Panel connection versions for cable plugs
Selection table
Cable plugs, inside cone
Examples: Panel
connection versions
Plug size
2
3
4
Rated normal current (A)
800
1250
2500
Rated lightning impulse withstand voltage (kV)
200
200
200
Rated short-duration power-frequency withstand voltage (kV)
95
95
95
Min. cross-section (mm
2
)
25
50
95
Min. core diameter (mm)
4.9
7.2
9.3
Max. cross-section (mm
2
)
325
800
1200
Max. core diameter (mm)
22.3
34.6
45.4
Min. diameter across insulation (mm)
13.5
15.5
33
Max. diameter across insulation (mm)
40.0
51.0
66.0
Version 1
Version 2
Version 3
S2
S3
S2
S3
4MT7
Solid-insulated
busbar connection
1
1
1
1
-
-
2
-
-
-
3
-
-
-
-
2
-
-
-
3
-
-
1
2
-
-
1
-
1
-
2
-
1
-
-
1
1
-
1
1
1
-
-
-
1
1
1
-
-
1
2
1
-
-
Legend:
①
Panel connection housing
②
Subframe