APC Power Supply User Manual

1. Close (turn ON) the main circuit breaker of the 

power source supplying power to the PDU.

2. Close (turn ON) the main input on the PDU.

3. Power the PDU distribution circuit breakers. 

a. Set the Main Output circuit breaker on the PDU 

to ON.

Note: After the Main Output circuit breaker has 

been closed, both PDU distribution panels will be 

energized. 

b. Close (turn ON) the PDU distribution panel circuit breakers.

When the distribution panel circuit breakers are closed, the PDU power cables 

and connected equipment are energized.