# Uninterruptible Power Supply UPS Eaton 3S550I

**URL:** https://aio.lv/en/product--eaton-3s550i--3448078
**Data updated:** 2026-01-13 17:42 (EET)
**Category:** UPS
**Manufacturer:** EATON
**Manufacturer code:** 3S550I
**EAN:** 0743172101815
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 96.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 79.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-3s550i--3448078

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Eaton 3S550I is a Standby (Offline) UPS with a power capacity of 0.55 kVA and 330 W output. It features 8 AC outlets and uses Sealed Lead Acid (VRLA) battery technology. The UPS is designed to provide reliable power protection for your devices, ensuring uninterrupted operation during power outages. With a compact design and a cable length of 1.5 m, it is suitable for home and office use. Certified with CE/EAC/Ukr/Cm/CB report.

## Long description

The Eaton 3S550I is a standby (offline) uninterruptible power supply designed to protect electronic devices from power interruptions. With a rated output power of 330 W (0.55 kVA) and eight AC outlets, this compact UPS provides short-term backup power and basic surge protection for home and small office equipment. It uses sealed lead acid (VRLA) battery technology, comes in white and black finishes, and includes a 1.5 m power cable for straightforward installation. The unit is certified with CE, EAC, Ukr, Cm and a CB report, reflecting compliance with relevant safety and performance standards.
Advantages
The Eaton 3S550I combines a compact footprint and multiple output sockets to protect several devices simultaneously, including PCs, monitors and peripheral equipment. Its sealed lead acid battery design offers reliable standby power without user maintenance, and the integrated USB 2.0 port supports basic communication with monitoring software. The product’s certifications indicate adherence to recognized safety and quality requirements.
Suitable for
Home desktop PCs and workstations
Small office equipment such as printers, routers and network switches
Point-of-sale terminals and cash registers
Peripheral protection for monitors, external drives and modems
Key specifications
Output power: 330 W
Output power capacity: 0.55 kVA
AC outlets: 8
Battery type: Sealed Lead Acid (VRLA)
USB ports: 1 × USB 2.0
Colour: White, Black
Weight: 3.2 kg
Cable length: 1.5 m
Topology: Standby (Offline) UPS
How to use
Place the Eaton 3S550I on a flat, stable surface with adequate ventilation and connect the UPS to a grounded AC outlet using the supplied 1.5 m cable. Plug protected devices into the UPS AC outlets and connect the USB 2.0 port to a computer if monitoring or safe-shutdown software is required. Charge the internal battery by leaving the UPS connected to mains power prior to relying on battery backup. During a mains failure, the unit will switch to battery mode automatically to supply connected equipment for short-term operation or controlled shutdown.
Usage recommendations
Position the UPS away from heat sources and moisture, and ensure periodic visual inspection of the unit and cable condition. For reliable battery performance, maintain the UPS connected to mains power when not in use and consider replacing the VRLA battery according to the manufacturer’s maintenance schedule or when end-of-life indicators appear.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| AC outlets quantity | 8 AC outlet(s) |
| USB 2.0 ports quantity | 1 |
| USB port | No |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Sealed Lead Acid (VRLA) |
| Hot-swap battery | No |
| Cold start | Yes |
| Automatic battery test | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | White, Black |
| Cable length | 1.5 m |
| LED indicators | Y |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.2 kg |
| Height | 86 mm |
| Width | 325 mm |
| Depth | 140 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating altitude | 0 - 3000 |
| Operating temperature (T-T) | 0 - 40 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE/EAC/Ukr/Cm/CB report |

### Other features

| Feature | Value |
|---|---|
| Nominal input voltage | 230 |

### Features

| Feature | Value |
|---|---|
| Output power capacity | 0.55 kVA |
| Input frequency | 50/60 |
| Maximum current | 10 A |
| Output power | 330 W |
| Power protection features | Overdischarge |
| Surge protection | Yes |
| Input operation voltage (max) | 284 V |
| Input operation voltage (min) | 161 V |
| Output operation voltage (min) | 220 V |
| Output operation voltage (max) | 240 V |
| Output frequency | 50 |
| UPS topology | Standby (Offline) |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85078000 |

### Safety regulation & standards

| Feature | Value |
|---|---|
| Safety | IEC 62040-1; IEC 62040-2 C2; IEC 62040-3; IEC 62040-4; IEC 61643-11 |

## FAQ

### How much does the Uninterruptible Power Supply UPS Eaton 3S550I cost, and is it available for purchase?

The price is 96.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 09.07.2026 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 Uninterruptible Power Supply UPS Eaton 3S550I 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, output power capacity, 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/3448078/65770993_large.webp