Electrical
48 613768
• https://www.energy.ca.gov/rules-and-regulations/appliance-efficiency-
regulations-title-20 or
• energycodeace.com/content/reference-ace-t20-tool, then select section “(v)
Computers…”
Note: Visit ENERGY STAR* and CEC website for the latest specification update.
Table 4-19: ENERGY STAR* Efficiency versus Load
Loading
Full
Load
(100%)
Typical
Load
(50%)
Light
Load
(20%)
10%
Load
PFC @
50%
Load
Remarks
RECOMMENDED
Minimum Efficiency
82% 85% 82% 80% ≥0.9
ES v8 for 500 W
and below
RECOMMENDED
Minimum Efficiency
87% 90% 87% 80% ≥0.9
ES v8 for above
500 W
Table 4-20: CEC PC Computers with High Expandability Computers
1
- Efficiency versus
Load
Loading
Full Load
(100%)
Typical
Load
(50%)
Light
Load
(20%)
PFC
REQUIRED
Minimum Efficiency for 115V PSU
87% 90% 87% ≥0.9 @ 50% load
REQUIRED
Minimum Efficiency for 230V PSU
88% 92% 88% ≥0.9 @ 50% load
1
Details about High Expandability Computers definition check CEC computer
regulation.
The RECOMMENDED minimum efficiency levels shown in Table 4-19
are required for
internal power supplies within the ENERGY STAR* for Computers Version 8.0
specification.
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