ACQ800-37 Hardware Manual
71
Electrical installation
Input power connection – Frame R8i
Connection diagram
Connection procedure
Note:
Before making the cable connections, check that the tap settings of the
auxiliary voltage transformer (T10, located in the input/output cubicle) are correct in
regard to the supply voltage. See instructions on page
.
1. Open the door of the input/output cubicle (see section
starting on
page
).
2. Remove any shrouds that protect the input busbars and cable entries.
3. Lead the cables into the inside of the cubicle. It is recommended to apply 360°
grounding of the cable shields at the entry as shown below.
4. Connect the cables as follows:
• Twist the cable shields into bundles and connect to cabinet PE (ground) busbar.
Connect any separate ground conductors or cables to cabinet PE (ground)
busbar.
• Connect the phase conductors to the input power terminals (L1, L2, L3). For the
tightening torques, see chapter
5. Provide support for the cables whenever necessary.
6. Refit all shrouds removed earlier and close the door.
Q1
PE
L1
L2
L3
K1
L1
U1
Содержание ACQ800 Series
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