American Power Conversion PD150G6F - Manual (Page 39)

150kW InfraStruXure PDU—Operation and Configuration 31
Operation
How to Apply Power to the System
1. Close (turn ON) the main circuit breaker
of the power source supplying power to
the InfraStruXure PDU.
2. Close (turn ON) the Main Input on the
InfraStruXure PDU.
3. Power the PDU distribution circuit
breakers:
a. Close (turn ON) the Main Output
circuit breaker on the PDU.
Note
After the Main Output circuit breaker has been closed (turned ON), both PDU
distribution panels will be energized.