Eaton UPS, ENERGY STAR certified
Eaton 9PX11KG2-L
11 kVA / 11 kW double conversion UPS.
Capacity
11 kVA
11 kW real power
Topology
Double Conversion
Efficiency
97.4%
weighted, as tested
Runtime @ 50%
16 min
8 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 11 kVA and 11 kW, so the equipment plugged into its battery outlets should draw no more than about 8,800 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 97.4% compares with a median of 95.0% across 47 certified units within 25% of its capacity.
- Maker
- Eaton
- Model
- 9PX11KG2-L
- Apparent power rating
- 11 kVA
- Real power rating
- 11 kW
- Power factor
- 1.00
- Topology
- Double Conversion
- Intended use
- Consumer, Commercial, Data Center
- Battery
- Lithium-ion Battery
- Runtime at 50% load
- 16 min
- Runtime at 100% load
- 8 min
- Battery warranty
- 5 yr
- Weighted efficiency
- 97.4%
- Efficiency at 25 / 50 / 75 / 100% load
- 96.8% / 97.7% / 97.5% / -
- Rack mountable
- Yes, 4U
- Rated input voltage
- 200-240 V
- Rated output voltage
- 200-240 V
- Connections
- Serial Port,Ethernet,USB Port
- Size (H x W x D)
- 174 x 440 x 725 mm
- Maker take-back program
- No
- On the market since
- Nov 2025
- ENERGY STAR certified
- 23 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: 9PX11KG2, 9PX11KIRTG2, 9PX11KIRTNBPG2, 9PX11KIRTNG2, 9PX11KIRTNG2AP-L, 9PX11KIRTNG2-L, 9SX11KIG2, 9SX11KIRT4UG2.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 4514155, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 9PX11KG2-L
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| Delta RT-11K3P-LV | 11 kVA / 11 kW | Double Conversion | 94.1% | 15 min |
| Delta RT-10K | 10 kVA / 10 kW | Double Conversion | 95.2% | 12 min |
| Liebert GXT5-10KIRT5UXLN | 10 kVA / 10 kW | Multi-Mode Double Conversion | 95.1% | 7 min |
| Vertiv GXT5-10KIRT5UXLN | 10 kVA / 10 kW | Multi-Mode Double Conversion | 95.1% | 7 min |
| Liebert GXE-10k00TLA102C00 | 10 kVA / 9,000 W | Multi-Mode Double Conversion | 95.5% | 19 min |
| Vertiv GXE-10k00TLA102C00 | 10 kVA / 9,000 W | Multi-Mode Double Conversion | 95.5% | 19 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 |