Imagine the lights go out while you are on an important video call. Your laptop shuts down, the call drops, and you lose unsaved work. The Eaton 3P Ellipse 550 Standby UPS 0.55kVA 330W Stepwise Black is built to stop that from happening. It gives you a short, reliable backup so your devices stay on long enough to save files and finish what you started.
Eaton 3P Ellipse 550 Standby UPS 0.55kVA 330W Stepwise Black
Power cuts and voltage spikes can damage electronics and interrupt work. For a home office or a small shop, even a few minutes of downtime can mean lost revenue or data. This UPS solves the problem by providing up to 20 minutes of clean power and built-in surge protection. It lets you finish a document, shut down a server safely, or keep a router online until the grid returns.
Usages of Eaton
The Eaton UPS fits in a home office to protect a PC, monitor, and Wi-Fi router. Small retail shops use it to keep cash registers and barcode scanners running. It can be placed behind a wall-mounted TV to keep a media center safe during storms. Network cabinets benefit from its silent, fan-less design, and freelancers can charge phones and tablets through the USB-A and USB-C ports while they work.
Benefits
- Provides up to 20 minutes of backup, enough time to save work and shut down safely.
- Silent operation (25 dB) lets you work or watch TV without distracting noise.
- Multiple outlet types (FR, DIN/IT, IEC) let you plug any device directly.
- Built-in surge protection meets IEC 61643-11 standards, guarding against spikes.
- USB-A and USB-C ports charge mobile devices without extra adapters.
Key Features
- 0.55 kVA (330 W) output power for small office equipment.
- Stepwise waveform provides reliable standby protection.
- Four AC outlets with C3 coupler for flexible connections.
- LED display shows battery status and load level.
- 97 % efficiency in ECO mode reduces electricity cost.
- 12 % more power than previous Ellipse ECO models.
- Compact tower design fits on a desk or can be wall-mounted.
- Battery capacity 4.5 Ah, 12 V for quick runtime.
- Operating temperature 0-40 C, suitable for most indoor environments.
- Certified to IEC/EN 62040-1, -2, -3 and CE, RoHS compliance.
Specifications
| Features |
| Auto shut-off |
No |
| Surge protection |
Yes |
| Noise level |
25 dB |
| Output power factor |
0.6 |
| Efficiency (ECO mode) |
97% |
| Efficiency |
97% |
| Number of output phases |
1 |
| Number of input phases |
1 |
| Output frequency |
50/60 Hz |
| Output operation voltage (max) |
284 V |
| Output operation voltage (min) |
161 V |
| Input frequency |
46/70 Hz |
| Input operation voltage (max) |
284 V |
| Input operation voltage (min) |
161 V |
| Waveform |
Stepwise |
| Output power |
330 W |
| Output power capacity |
0.55 kVA |
| UPS topology |
Standby (Offline) |
| Ports & interfaces |
| AC outlets quantity |
4 AC outlet(s) |
| AC outlet types |
C3 coupler |
| Battery |
| Battery capacity |
4.5 Ah |
| Battery voltage |
12 V |
| Battery capacity |
4.5 Ah |
| Battery capacity |
4.5 Ah |
| Design |
| Display type |
LED |
| Product colour |
Black |
| Form factor |
Tower |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Certification |
IEC/EN 62040-1 IEC/EN 62040-2 IEC/EN 62040-3 CE UKCA Cm |
| Compliance certificates |
CB, CE, RoHS, WEEE |
| Waste Electrical and Electronic Equipment (WEEE) compliance |
Yes |
| Packaging content |
| Rack mount kit |
No |
| Weight & dimensions |
| Weight |
3 kg |
| Height |
263 mm |
| Depth |
235 mm |
| Width |
81 mm |
| Other features |
| Nominal input voltage |
220-240 V |
| Operating temperature (T-T) |
0 - 40 °C |
| Relative humidity |
0 - 95% |
| Input connection type |
C14 |
