Power Supply; Power Supply Specifications - HP Z228 Maintenance And Service Manual

Power supply

Power supply specifications

All power supplies have these specifications:
●
Wide-ranging, active Power Factor Correction (PFC)
●
FEMP Standby Power compliant @115V (<1W in S5 – Power Off)
●
Surge tolerant (withstands power surges up to 2000V)
Power supply
Operating voltage range
Rated voltage range
Rated line frequency
Operating line frequency range
Rated input current
Heat dissipation, typical
(configuration and software dependent)
Heat dissipation, maximum
(configuration and software dependent)
Power supply fan
All fans are variable speed
Built-in Self Test LED
Power consumption in sleep mode
48 Chapter 3 Component replacement information and guidelines
280 W
90% efficient
90–264 VAC
100–240 VAC
50–60 Hz
47–63 Hz
3.6A @
100–240 VAC
630.2 btu/hr (158.8 kcal/hr)
899.1 btu/hr (226.6 kcal/hr)
One fan, 80mm x 25mm
No
<4 W