Site Preparation Guide, Fourth Editon - HP Integrity rx7620 Server

Appendix A

System Specifications

Electrical Specifications

This section provides electrical specifications for HP Integrity rx7620 Servers.

Grounding

The site building shall provide a safety ground for each AC service entrance to all cabinets.

Install a protective earthing conductor that is identical in size, insulation material, and thickness to the

branch-circuit supply conductors. The PE conductor must be green with yellow stripes. The earthing

conductor must be connected from the unit to the building installation earth or, if supplied by a separately

derived system, at the supply transformer or motor-generator set grounding point.

AC-Powered Systems

Circuit Breaker

The Marked Electrical for the HP Integrity rx7620 Server is 12 amps. The recommended circuit breaker size

is 20 amps for North America. For countries outside North America, consult your local electrical authority

having jurisdiction for the recommended circuit breaker size.

The HP Integrity rx7620 Server contains four C20 power receptacles located at the bottom rear bulkhead. A

minimum of two power cords must be used to maintain normal operation of the HP Integrity rx7620 Server. A

second set of two cords can be added to improve system availability by protecting, for example, against power

source failures or accidentally tripped circuit breakers. The HP Integrity rx7620 Server can receive AC input

from two different AC power sources.

System AC Power Specifications

Power Cords Table A-3 lists the various power cables available for use with a HP Integrity rx7620 Server.

Each power cord is 15 feet (4.5 meters) in length with a IEC 60320-1 C19 female connector attached to one

end.

System Power Specifications Table A-4 and Table list the AC power requirements for an HP Integrity

rx7620 Server. These tables provide information to help determine the amount of AC power needed for your

computer room.

Table A-3 Power Cords

Part Number Description Where Used

8120-6895 Stripped end, 240 volt International-Other

8120-6897 Male IEC309, 240 volt International-Europe

8121-0070 Male GB-1002, 240 volts China

8120-6903 Male NEMA L6-20, 240 volt North America/Japan