Eaton UPS, ENERGY STAR certified
Eaton S3M100K
100 kVA / 100 kW double conversion UPS.
Capacity
100 kVA
100 kW real power
Topology
Double Conversion
Efficiency
96.1%
weighted, as tested
Runtime @ 50%
-
not reported by the maker
A UPS has two ratings and the lower one is the limit. This unit is rated 100 kVA and 100 kW, so the equipment plugged into its battery outlets should draw no more than about 80 kW if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 96.1% compares with a median of 96.0% across 12 certified units within 25% of its capacity.
- Maker
- Eaton
- Model
- S3M100K
- Apparent power rating
- 100 kVA
- Real power rating
- 100 kW
- Power factor
- 1.00
- Topology
- Double Conversion
- Intended use
- Consumer, Commercial, Data Center
- Weighted efficiency
- 96.1%
- Efficiency at 25 / 50 / 75 / 100% load
- 96.4% / 96.4% / 95.2% / 93.8%
- Rack mountable
- No
- Rated input voltage
- 208-220 V
- Rated output voltage
- 208-220 V
- Connections
- Serial Port,Other,Ethernet,USB Port
- Size (H x W x D)
- 1600 x 600 x 850 mm
- Maker take-back program
- No
- On the market since
- Jun 2021
- ENERGY STAR certified
- 27 Jan 2026
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4577047, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the S3M100K
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Liebert 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 |
| Vertiv 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 |
| Liebert eXM 0120kTK16FN01000 | 120 kVA / 120 kW | Multi-Mode Double Conversion | 96.0% | 10 min |
| Vertiv eXM 0120kTK16FN01000 | 120 kVA / 120 kW | Multi-Mode Double Conversion | 96.0% | 10 min |
| Liebert eXM 0080kTK16FN01000 | 80 kVA / 80 kW | Multi-Mode Double Conversion | 95.8% | 10 min |
| Vertiv eXM 0080kTK16FN01000 | 80 kVA / 80 kW | Multi-Mode Double Conversion | 95.8% | 10 min |
Eaton
More Eaton UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| 5P1000RT2UG2-L | 1,000 VA / 920 W | Line Interactive | 98.6% | 18 min |
| 5P1150IRT2UG2-L | 1,150 VA / 920 W | Line Interactive | 98.5% | 18 min |
| 5P1550IRT2UG2-L | 1,550 VA / 1,350 W | Line Interactive | 98.9% | 12 min |
| 5P1550RT2UG2-L | 1,440 VA / 1,350 W | Line Interactive | 98.7% | 12 min |
| 5P550RG2-L | 550 VA / 495 W | Line Interactive | 98.5% | 18 min |
| 5P650IRG2-L | 650 VA / 520 W | Line Interactive | 98.4% | 16 min |
| 5PX1000IRT2UG2 | 1,000 VA / 1,000 W | Line Interactive | 98.5% | 17 min |
| 5PX1000RTG2 | 1,000 VA / 1,000 W | Line Interactive | 98.5% | 16 min |