American Power Conversion 60kW InfraStruXureTM System Power Supply User Manual


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InfraStruXure System—Installation and Start-Up 39
How to Ensure Total Power Off
1. Open (turn OFF) the main circuit breaker
on the power source feeding the PDU.
2. Set the Main Input on the PDU to OFF.
3. For PDU with transformer: Set the Main
Output circuit breaker on the front of the
PDU to OFF.
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