# Eaton 3P900UI UPS Standby Offline 0.9 kVA 540 W 4 AC outlets

**URL:** https://aio.lv/en/product--eaton-3p900ui--11394416
**Data updated:** 2026-01-14 13:13 (EET)
**Category:** UPS
**Manufacturer:** EATON
**Manufacturer code:** 3P900UI
**EAN:** 3553340621376
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 171.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 141.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-3p900ui--11394416

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Courier delivery to door | 29.06.2026 | 53.99 EUR |

## Summary description

The Eaton 3P900UI is a Standby (Offline) UPS with a power capacity of 0.9 kVA and 540 W output. It features 4 AC outlets and USB ports, ensuring reliable power backup for your devices. With a battery capacity of 9 Ah and a voltage of 12 V, this tower-form UPS is designed for efficient energy management. It complies with various certifications including CB, CE, and RoHS, making it a safe choice for your power needs.

## Long description

The Eaton 3P900UI UPS is a standby (offline) tower uninterruptible power supply offering 0.9 kVA / 540 W output and four AC outlets for connecting computers, network equipment and other sensitive electronics. Designed for small office or home use, the unit includes USB ports for monitoring or charging, a 12 V battery with 9 Ah capacity and a compact black enclosure that fits standard workspace layouts. The Eaton 3P900UI meets CB, CE and RoHS certification requirements and provides basic battery backup and surge protection to maintain device operation during short power interruptions.
Advantages
The Eaton 3P900UI delivers a clear balance of compact size and backup capability with a straightforward standby topology. It supplies 540 W of output power across four AC outlets, enabling simultaneous protection of multiple devices. Integrated USB ports allow easy connection to a host for monitoring or for powering small peripherals. With a 9 Ah, 12 V battery the UPS provides reliable short-duration runtime while its certified safety listings support compliant installation in homes and light commercial environments.
Suitable for
 Desktop PCs and workstations
 Home office equipment and peripherals
 Network devices such as routers and modems
 Point-of-sale terminals and small cash registers
Key specifications
 Output power capacity: 0.9 kVA
 Output power: 540 W
 AC outlets: 4
 USB ports: 2 (USB 2.0)
 Battery: 12 V, 9 Ah
 Form factor: Tower
 Colour: Black
 Weight: 3.9 kg
How to use
Place the Eaton 3P900UI on a flat, stable surface with adequate ventilation and connect critical loads to the AC outlets. Plug the UPS into a grounded mains outlet and allow the internal battery to charge for several hours before relying on battery backup. Use the USB ports where supported to connect to a computer for basic monitoring or to charge peripherals. During a mains failure the unit will switch to battery power automatically; observe the UPS indicators to monitor battery status and load conditions. Replace the internal battery according to the manufacturer’s maintenance schedule or when runtime degrades.
Usage recommendations
For reliable operation, avoid connecting high inrush or non-supported equipment to the UPS and keep the total connected load below 540 W. Regularly verify battery condition and perform periodic functional checks to ensure the UPS provides expected backup time during outages.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| AC outlets quantity | 4 AC outlet(s) |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| AC outlet types | C3 coupler |
| USB port | Yes |
| USB port type | USB Type A/USB Type-C |

### Battery

| Feature | Value |
|---|---|
| Battery voltage | 12 V |
| Battery capacity | 9 Ah |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Form factor | Tower |
| Display type | LED |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.9 kg |
| Height | 263 mm |
| Width | 81 mm |
| Depth | 235 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB cable |
| Quick installation guide | Yes |

### Certificates

| Feature | Value |
|---|---|
| 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 | WEEE, RoHS, CE, CB |

### Other features

| Feature | Value |
|---|---|
| Relative humidity | 0 - 95 |
| Input connection type | C14 |
| Nominal input voltage | 220-240 |

### Features

| Feature | Value |
|---|---|
| Output power capacity | 0.9 kVA |
| Noise level | 25 dB |
| Input frequency | 46/70 |
| Efficiency | 97 % |
| Output power | 540 W |
| Surge protection | Yes |
| Input operation voltage (max) | 284 V |
| Input operation voltage (min) | 161 V |
| Output operation voltage (min) | 161 V |
| Output operation voltage (max) | 284 V |
| Output frequency | 50/60 |
| Number of input phases | 1 |
| Number of output phases | 1 |
| Output power factor | 0.6 |
| Waveform | Stepwise |
| Power consumption (average operating) | 16.7 W |
| UPS topology | Standby (Offline) |
| Auto shut-off | Yes |
| Efficiency (ECO mode) | 97 % |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

## FAQ

### How much does the Eaton 3P900UI UPS cost, and is it available for purchase?

The price is 171.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 78 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Eaton 3P900UI UPS be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EATON products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EATON service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: ac outlets quantity, usb 2.0 ports quantity, weight, output power capacity, output power, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11394416/66203897_large.webp