Delta UPS, ENERGY STAR certified
Delta RT PRO-1K
1,000 VA / 1,000 W multi-mode double conversion UPS.
Capacity
1,000 VA
1,000 W real power
Topology
Multi-Mode Double Conversion
Efficiency
91.4%
weighted, as tested
Runtime @ 50%
10 min
2 min at full load
A UPS has two ratings and the lower one is the limit. This unit is rated 1,000 VA and 1,000 W, so the equipment plugged into its battery outlets should draw no more than about 800 W if you want the usual 20% headroom. How to size a UPS.
Its weighted efficiency of 91.4% compares with a median of 98.6% across 177 certified units within 25% of its capacity. With nothing plugged in it still draws 32.9 W, about $37 a year at 13¢/kWh just to stand ready.
- Maker
- Delta
- Model
- RT PRO-1K
- Apparent power rating
- 1,000 VA
- Real power rating
- 1,000 W
- 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
- 10 min
- Runtime at 100% load
- 2 min
- Battery warranty
- 3 yr
- Weighted efficiency
- 91.4%
- Efficiency at 25 / 50 / 75 / 100% load
- 85.4% / 90.2% / 91.6% / 92.2%
- Input power at no load
- 32.9 W
- Outlets
- 6
- Rack mountable
- Yes, 2U
- Rated input voltage
- 200-240 V
- Rated output voltage
- 200-240 V
- Connections
- Serial Port,Other,Ethernet,USB Port
- Size (H x W x D)
- 88 x 440 x 335 mm
- Maker take-back program
- No
- On the market since
- Feb 2024
- ENERGY STAR certified
- 24 Nov 2023
Certified under the same record
The maker lists these as the same machine or a variant of it: RT PRO-1K-N.
Source: ENERGY STAR certified uninterruptible power supplies dataset, US EPA, record 2765411, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the RT PRO-1K
Certified UPS units from other makers within 25% of its VA rating.
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| CyberPower OL1000RT JP | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
| CyberPower OL1000RTN JP | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
| CyberPower OL1000RTXL2U | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
| CyberPower OL1000RTXL2UN | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
| CyberPower OL1000RTXL2UNTAA | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
| CyberPower OL1000RTXL2UTAA | 1,000 VA / 900 W | Double Conversion | 91.1% | 20 min |
Delta
More Delta UPS battery backups
| Model | Capacity | Topology | Efficiency | Runtime @ 50% |
|---|---|---|---|---|
| DPH-105K-LV | 15 kVA / 15 kW | Multi-Mode Double Conversion | 95.6% | - |
| DPH-150K-HV | 50 kVA / 50 kW | Multi-Mode Double Conversion | 96.3% | 23 min |
| DPH-250K-HV | 250 kVA / 250 kW | Multi-Mode Double Conversion | 94.9% | 10 min |
| DPH-300K-HV | 50 kVA / 50 kW | Multi-Mode Double Conversion | 96.3% | 12 min |
| DPH-500K-HV | 200 kVA / 200 kW | Multi-Mode Double Conversion | 99.1% | 11 min |
| DPH-60K-LV | 15 kVA / 15 kW | Multi-Mode Double Conversion | 95.5% | 12 min |
| RT PRO-2K | 2,000 VA / 2,000 W | Multi-Mode Double Conversion | 93.4% | 12 min |
| RT PRO-3K | 3,000 VA / 3,000 W | Multi-Mode Double Conversion | 93.6% | 14 min |