Power cable routing method
The standard cabinet supports bottom cable access only, see Figure 4.3 below. If the user needs top cable access, please
choose the parallel cabinet cabling option, refer to Options for details.
The cabling method is the same, so we just take 250 kVA cabinet for example.
Figure 4.3 P ow er cables w iring route of 250 kVA (bottom cab le access)
N o. Descriptio n
1 Step: Remove the bottom small panel, and connect the cables to corresponding terminals.
N O T E: The p ow er cables sh ould be routed throug h tunnels or cable tro ughs to avoid cable dam age
due to m echanical stress and reduce the EM I.
N O T E: W hen routing the cables inside the cabinets, it is required to bind and fix the cables to av oid
cable dam age due to m echanical stress.
W ARN ING ! B efore cab les connection, m ake sure that all external an d in ternal pow er sw itches
of the U P S are off, and post necessary warning signs to p revent inadvertent operation of the
sw itches. M ean w hile, m easu re the voltages betw een the UPS term inals and the voltages
betw een the term inals and the earth.
4 Electrical Installation
35
Vertiv™ Liebert® APM Plus User Manual
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