HP Rp7410 Site Preparation Guide, Second Edition - hp rp7405/rp7410 Servers - Page 31
Electrical Load Requirements Circuit Breaker Sizing
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Facility Guidelines Electrical Load Requirements (Circuit Breaker Sizing) Electrical Load Requirements (Circuit Breaker Sizing) It is always a good idea to derate power distribution systems for one or more of the following reasons: • To avoid nuisance tripping from load shifts or power transients, circuit protection devices should never be run above 80% of their root-mean-square (RMS) current ratings. • Safety agencies derate most power connectors to 80% of their RMS current ratings. Chapter 2 11
Chapter 2
Facility Guidelines
Electrical Load Requirements (Circuit Breaker Sizing)
11
Electrical Load Requirements (Circuit Breaker Sizing)
It is always a good idea to derate power distribution systems for one or more of the following reasons:
•
To avoid nuisance tripping from load shifts or power transients, circuit protection devices should never be
run above 80% of their root-mean-square (RMS) current ratings.
•
Safety agencies derate most power connectors to 80% of their RMS current ratings.