Branch Circuit Requirements - HP StorageWorks XP512 - Disk Array Manual

Branch Circuit Requirements

Preparing for Installation
To protect your disk array, your building must be wired correctly. Each line
(U/L1, V/L2 line) should be protected by a short circuit protective device
and by an overcurrent protective device rated 20 amp on building
installation.
The protective device on building installation shall be comply with national
standards of the country where the units shall be installed, and if a
protective device interrupts a conductor, it shall also interrupt all other
supply conductors.
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