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Product Code: PBEL-056
MPN #: OL1500HV
Imagine your computer shutting down in the middle of an important project because the power flickered. That sudden loss can corrupt files, damage hardware, and waste precious time. The ATEN OL1500HV 1.5kVA 1500W Online UPS Rackmount Tower is built to stop that from happening. It supplies clean, uninterrupted power to keep your devices running when the grid fails, protecting both data and equipment.
Power outages, voltage sags, and spikes are common in many offices and homes. Those fluctuations stress computers, servers, and networking gear, leading to crashes or permanent damage. This problem matters because lost data can cost money and reputation. The ATEN UPS solves it by converting incoming AC power to DC, storing it in a battery, and then delivering perfect AC power to your equipment with zero interruption. It acts like a silent guardian, keeping everything stable while the grid recovers.
The unit fits in a server rack or can stand as a tower, so it works in data centers, small business offices, and home labs. Connect it to desktop workstations that run critical design software, to network switches that keep internet alive, or to a small server that hosts files for a team. It also powers medical or industrial monitoring devices that cannot afford a power break. Anywhere you need reliable electricity, this UPS is ready.
| Features | |
| Noise level | 50 dB |
| Emergency Power Off (EPO) | Yes |
| ECO mode | Yes |
| Crest factor | 3:1 |
| Output power factor | 1 |
| Input power factor | 0.99 |
| Efficiency | 97% |
| Response time | 0 ms |
| Maximum current | 7.2 A |
| Output voltage regulation | 1% |
| Output frequency | 50/60 Hz |
| Input frequency | 40/70 Hz |
| Input operation voltage (max) | 300 V |
| Input operation voltage (min) | 110 V |
| Waveform | Sine |
| Output power | 1500 W |
| Output power capacity | 1.5 kVA |
| UPS topology | Double-conversion (Online) |
| Ports & interfaces | |
| Emergency Power Off (EPO) connector | Yes |
| Serial interface type | RS-232 |
| Serial interface | Yes |
| USB port | Yes |
| AC outlets quantity | 8 AC outlet(s) |
| Power plug | C13 coupler |
| AC outlet types | C14 coupler, IEC 320 |
| Battery | |
| Replacement battery cartridge | 1 |
| Battery capacity | 9 Ah |
| Cold start | Yes |
| Hot-swap battery | Yes |
| Charging current | 12 A |
| Typical backup time at half load | 10.3 min |
| Typical backup time at full load | 2.96 min |
| Number of batteries supported | 3 |
| Battery voltage | 12 V |
| Battery capacity | 9 Ah |
| Battery capacity | 9 Ah |
| Battery technology | Sealed Lead Acid (VRLA) |
| Design | |
| LED indicators | Yes |
| Display type | LCD |
| Built-in fan | Yes |
| Cooling type | Active |
| Cable length | 1.8 m |
| Rack capacity | 2U |
| Product colour | Black |
| Form factor | Rackmount/Tower |
| Operational conditions | |
| Storage relative humidity (H-H) | 10 - 95% |
| Operating relative humidity (H-H) | 20 - 90% |
| Storage temperature (T-T) | -20 - 50 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Certificates | |
| Certification | CE |
| Compliance certificates | RoHS |
| Packaging content | |
| Manual | Yes |
| Cables included | Power load cable, RS-232, USB cable |
| Rack mount kit | Yes |
| Sustainability | |
| Sustainability certificates | RoHS |
| Weight & dimensions | |
| Weight | 14.3 kg |
| Height | 410 mm |
| Depth | 438 mm |
| Width | 880 mm |
| Other features | |
| Operating temperature (T-T) | 0 - 40 °C |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)