Vertiv
51SA250NAA ↗Source record 2335465
250kW
Minimum tested active output
Reported input voltage480-480 VModularYes
○ ENERGY STAR feed
Liebert / SOURCE RECORD 2335464
51SA250NAA
○ ENERGY STAR feedRetrieved 2026-09-12
THE CONFIGURATION BEHIND THESE RATINGS
Minimum tested model: 51SA250NAA
The source identifies this model as the minimum tested configuration. The output ratings and load-specific efficiency values below apply to that configuration.
- Efficiency test mode (lowest input dependency)
- Voltage and Frequency Independent
- Test input voltage
- 480 V
- Test input frequency
- 60 Hz
- Test output voltage
- 480 V
- Test output frequency
- 60 Hz
250 kWMinimum tested active output
250 kVAMinimum tested apparent output
YesModular
These are source-reported minimum configuration ratings, not the maximum capacity of the model family. Test voltages above describe the efficiency test; reported voltage ranges below are separate source fields.
Inside the specification
SOURCE-REPORTED- Brand
- Liebert
- Catalog model identifier
- 51SA250NAA
- Reported input voltage
- 480-480 V
- Reported output voltage
- 480-480 V
- Reported input frequency
- 60-60 Hz
- Topology
- Multi-Mode Double Conversion
- Modular design
- Yes
- Rack mountable
- No
- Application
- Commercial,Consumer,Data Center
- Reported markets
- United States, Taiwan, Japan, Canada
- Certification date
- 2019-01-23
Efficiency at a glance
Summary value reported by the source: 96.6%. Compare the tested model, voltage and mode above before interpreting differences.
25% of minimum tested output96.2%
50% of minimum tested output96.7%
75% of minimum tested output96.6%
100% of minimum tested output96.2%
Load-specific values: minimum configuration, lowest-input-dependency test mode. Unreported values remain blank in exports.
CONTINUE YOUR RESEARCH
Nearby tested output. Different details.
Within 25% of this minimum tested output rating. These are research candidates, not approved substitutes.
Delta
DPH-250K-HV ↗Source record 3360624
250kW
Minimum tested active output
Reported input voltage480-480 VModularYes
○ ENERGY STAR feed
Vertiv
P901B01ACBNEBD140100 ↗Source record 3999012
250kW
Minimum tested active output
Tested model: P902501ACBNEBD140100
Reported input voltage480-480 VModularYes
○ ENERGY STAR feed