Eaton 3P900UI Standby UPS, 0.9 kVA/540 W, 4 AC Outlets, Tower, Black
£160.38
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About this item
- 0.9 kVA / 540 W standby UPS
- Four AC outlets with surge protection
- Two USB 2.0 ports and one RJ-45 port
- USB Type-A and USB Type-C connectivity
- Tower design, 81 × 263 × 235 mm
- LED display and 25 dB noise level
- IEC/EN 62040-1, 62040-2 and 62040-3 certified
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Eaton 3P900UI – compact backup for essential equipment
The Eaton 3P900UI suits home offices and small workspaces that need a compact UPS for essential equipment. Its 540 W output capacity helps keep connected devices powered during an interruption, giving you time to save work and shut down safely.
The essentials at a glance
| Metric | Specification |
|---|---|
| Output capacity | 0.9 kVA / 540 W |
| UPS topology | Standby (offline) |
| AC outlets | 4, C3 coupler |
| Waveform | Stepwise |
| Input voltage | 220–240 V nominal |
| Dimensions | 81 × 263 × 235 mm |
Backup for a small setup
This tower UPS provides four AC outlets for compatible equipment. Its maximum output is 540 W, so check the combined power draw of the devices you plan to connect. That helps you choose a suitable load and avoid exceeding the unit’s capacity.
The standby design makes it a practical choice for everyday office equipment. Surge protection is also included. However, this is an offline UPS, so consider whether its topology suits the equipment and level of protection your setup requires.
Compact, with useful connections
At 81 mm wide, 263 mm high and 235 mm deep, the black tower has a small footprint. It weighs 3.9 kg, making it easier to position near the equipment it supports.
The UPS includes two USB 2.0 ports, USB Type-A/Type-C connectivity and an Ethernet RJ-45 port. Its noise level is 25 dB, which can help keep a workspace quieter.
In the box
- USB cable
- Quick installation guide
Check your setup before ordering
- Confirm your connected equipment draws no more than 540 W in total.
- Check that your equipment’s power leads match the four C3 coupler outlets.
- Confirm your mains supply is suitable for the 220–240 V nominal input.
- Check the available space against the tower’s 81 × 263 × 235 mm dimensions.
Frequently Asked Questions
Q: How much output power does the Eaton 3P900UI provide?
A: It provides up to 540 W, with a rated capacity of 0.9 kVA.
Q: How many AC outlets does it have?
A: It has four AC outlets, using C3 coupler connections.
Q: What comes in the box?
A: The box includes a USB cable and a quick installation guide.
A practical choice for essential devices
Choose the Eaton 3P900UI if you need a compact standby UPS with four outlets and up to 540 W output. Check your equipment’s power draw and lead connections first to make sure it fits your setup.
| Power | |
|---|---|
| Output power factor | 0.6 |
| Output power | 540 W |
| Input operation voltage (min) | 161 V |
| Input operation voltage (max) | 284 V |
| Output operation voltage (min) | 161 V |
| Output operation voltage (max) | 284 V |
| Efficiency | 97% |
| Output power capacity | 0.9 kVA |
| Efficiency (ECO mode) | 97% |
| Performance | |
| UPS topology | Standby (Offline) |
| Waveform | Stepwise |
| Number of output phases | 1 |
| Number of input phases | 1 |
| Surge protection | Yes |
| Noise level | 25 dB |
| Features | |
| Output frequency | 50/60 Hz |
| UPS topology | Standby (Offline) |
| Waveform | Stepwise |
| Number of output phases | 1 |
| Number of input phases | 1 |
| Output power factor | 0.6 |
| Output power | 540 W |
| Input operation voltage (min) | 161 V |
| Input operation voltage (max) | 284 V |
| Output operation voltage (min) | 161 V |
| Output operation voltage (max) | 284 V |
| Efficiency | 97% |
| Surge protection | Yes |
| Noise level | 25 dB |
| Output power capacity | 0.9 kVA |
| Efficiency (ECO mode) | 97% |
| Input frequency | 46/70 Hz |
| Auto shut-off | Yes |
| Power consumption (average operating) | 16.7 W |
| Package type | Box |
| Ports & interfaces | |
| USB port | Yes |
| AC outlets quantity | 4 AC outlets |
| AC outlet types | C3 coupler |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB port type | USB Type A/USB Type-C |
| Battery | |
| Battery voltage | 12 V |
| Battery capacity | 9 Ah |
| Design | |
| Form factor | Tower |
| Product colour | Black |
| Certification | IEC/EN 62040-1 IEC/EN 62040-2 IEC/EN 62040-3 CE UKCA Ukr Cm |
| Display type | LED |
| Operational conditions | |
| Operating temperature | 0 - 40 °C |
| Technical details | |
| Output frequency | 50/60 Hz |
| Compliance certificates | CB, CE, RoHS, WEEE |
| Certificates | |
| Certification | IEC/EN 62040-1 IEC/EN 62040-2 IEC/EN 62040-3 CE UKCA Ukr Cm |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Compliance certificates | CB, CE, RoHS, WEEE |
| Packaging content | |
| Quick installation guide | Yes |
| Cables included | USB cable |
| Certification | |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Weight & dimensions | |
| Package type | Box |
| Weight | 3.9 kg |
| Width | 81 mm |
| Height | 263 mm |
| Depth | 235 mm |
| Packaging data | |
| Quick installation guide | Yes |
| Cables included | USB cable |
| Package type | Box |
| Other features | |
| Input connection type | C14 |
| Relative humidity | 0 - 95% |
| Nominal input voltage | 220-240 V |
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