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2 80kW InfraStruXure PDU—Operation and Configuration
Warn ings
Installation/Maintenance
Only a certified electrician can perform these tasks:
• Connect the InfraStruXure PDU to utility power
• Connect the cross tie output breaker to another InfraStruXure PDU
• Connect a switch to the EPO interface on the InfraStruXure PDU
Only a certified electrician or an APC Field Service Engineer can perform these tasks:
• Connect the PDU to the Symmetra PX UPS
• Perform maintenance of the PDU
When you connect the PDU to utility power, you must install a circuit breaker to protect the PDU
against over-current. Determine the type of circuit breaker that you need to install:
Maintenance performed while the PDU is receiving input power
APC does not recommend that you perform maintenance of the PDU while it is receiving input
power. However, due to the critical nature of data center loads, this may occur. If you must perform
maintenance while the PDU is receiving input power, observe the following precautions to reduce the
risk of electric shock:
1. Never work alone.
2. Perform the maintenance only if you are a certified electrician who is trained in the hazards of
live electrical installation.
3. Know the procedure for disconnecting electricity to the PDU and the data center in case of an
emergency.
4. Wear appropriate personal protective equipment.
5. Use double-insulated tools.
6. Always follow local and site regulations when working on the PDU.
Input Voltage Circuit Breaker Size
208V 350A
480V 150A
600V 125A