HP Integrity rx7620 Site Preparation Guide, Fourth Editon - HP Integrity rx762 - Page 35

System Specifications Electrical 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. Table A-3 Power Cords Part Number 8120-6895 8120-6897 8121-0070 8120-6903 Description Stripped end, 240 volt Male IEC309, 240 volt Male GB-1002, 240 volts Male NEMA L6-20, 240 volt Where Used International-Other International-Europe China North America/Japan 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. Appendix A 21