UPS battery backupsENERGY STAR certified
Vertiv Liebert EXS F5 40k series
40 kVA / 40 kW multi-mode double conversion UPS, model number 53*40J* * * * * * *.
Capacity
40 kVA
40 kW real power
Topology
Multi-Mode Double Conversion
Efficiency
95.2%
weighted, as tested
Runtime @ 50%
12 min
25 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 40 kVA and 40 kW, so the equipment plugged into its battery outlets should draw no more than about 32 kW if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 95.2% compares with a median of 95.6% across 34 certified units within 25% of its capacity. With nothing plugged in it still draws 313.8 W, about $357 a year at 13¢/kWh just to stand ready.
- Maker
- Vertiv
- Model
- Liebert EXS F5 40k series
- Model number
- 53*40J* * * * * * *
- Apparent power rating
- 40 kVA
- Real power rating
- 40 kW
- Power factor
- 1.00
- Topology
- Multi-Mode Double Conversion
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Valve Regulated Lead-acid Battery
- Runtime at 50% load
- 12 min
- Runtime at 100% load
- 25 min
- Battery warranty
- 1 yr
- Weighted efficiency
- 95.2%
- Efficiency at 25 / 50 / 75 / 100% load
- 93.5% / 94.4% / 93.7% / 92.8%
- Input power at no load
- 313.8 W
- Rack mountable
- No
- Modular
- Yes
- Rated input voltage
- 208-220 V
- Rated output voltage
- 208-220 V
- Connections
- USB Port
- Size (H x W x D)
- 2000 x 600 x 1000 mm
- Maker take-back program
- No
- On the market since
- Sep 2023
- ENERGY STAR certified
- 18 Sep 2023
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2668088, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the Liebert EXS F5 40k series
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Liebert EXS 0040kTH16FN01000 | 40 kVA / 40 kW | Multi-Mode Double Conversion | 95.8% | 20 min |
| Liebert 51SA160ARA | 40 kVA / 40 kW | Multi-Mode Double Conversion | 94.9% | 10 min |
| Liebert 51SA160AQA | 40 kVA / 40 kW | Multi-Mode Double Conversion | 95.5% | 10 min |
| Liebert ITA-40k00AL3302C00 | 40 kVA / 40 kW | Multi-Mode Double Conversion | 96.2% | 60 min |
| Liebert ITA-40k00AL3302E00 | 40 kVA / 40 kW | Multi-Mode Double Conversion | 96.2% | 60 min |
| Liebert ITA-40k00AL3302P00 | 40 kVA / 40 kW | Multi-Mode Double Conversion | 96.2% | 60 min |
Vertiv
More Vertiv UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| 10B14763GG103 | 450 kVA / 405 kW | Multi-Mode Double Conversion | 97.2% | 30 min |
| 10B14789GF103 | 825 kVA / 743 kW | Multi-Mode Double Conversion | 97.7% | 30 min |
| 47SA040A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 10 kVA / 10 kW | Multi-Mode Double Conversion | 94.2% | 34 min |
| 47SA100A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 60 kVA / 60 kW | Multi-Mode Double Conversion | 95.8% | 10 min |
| 47SA120A[0|1|2|3][C|Y][0|F|H|M|G|L][0|1] | 120 kVA / 120 kW | Multi-Mode Double Conversion | 95.6% | 10 min |
| 51SA030QAA | 30 kVA / 30 kW | Multi-Mode Double Conversion | 96.3% | 10 min |
| 51SA030QBA | 30 kVA / 30 kW | Multi-Mode Double Conversion | 95.2% | 10 min |
| 51SA050BAA | 50 kVA / 50 kW | Multi-Mode Double Conversion | 96.4% | 10 min |