# Uninterruptible Power Supply Eaton 3S550I

**URL:** https://aio.lv/en/product--uninterruptible-power-supply-eaton-3s550i--3471572
**Data updated:** 2026-01-13 17:42 (EET)
**Category:** UPS
**Manufacturer:** EATON
**EAN:** 743172101815
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.49 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 86.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--uninterruptible-power-supply-eaton-3s550i--3471572

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

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

## Long description

The Eaton 3S550I is a standby (offline) uninterruptible power supply designed to provide short-term backup power for home and small office equipment. With an output power capacity of 0.55 kVA (330 W) and eight AC outlets, this compact UPS uses sealed lead acid (VRLA) battery technology to maintain basic operation of connected devices during power interruptions. The unit is available in white and black finishes and comes with a 1.5 m power cable; it carries CE/EAC/Ukr/Cm/CB report certifications for compliance with relevant safety and performance standards.
Advantages
The Eaton 3S550I delivers immediate transfer to battery power in the event of mains failure, protecting equipment from data loss and abrupt shutdowns. Its eight AC outlets allow multiple devices to be connected simultaneously while the built-in USB 2.0 port supports basic communication and monitoring. The sealed lead acid (VRLA) battery technology provides reliable backup power with simple maintenance requirements, and the unit’s compact form factor and modest weight of 3.2 kg make it suitable for placement on or under a desk.
Suitable for
 PCs, monitors and home office workstations
 Network devices such as routers and small switches
 Peripherals like external drives, printers and VoIP phones
 Point-of-sale terminals and small retail systems
Key specifications
 Output power capacity: 0.55 kVA (330 W)
 Topology: Standby (Offline) UPS
 Battery type: Sealed Lead Acid (VRLA)
 AC outlets: 8
 USB: 1 × USB 2.0 port
 Color options: White, Black
 Power cable length: 1.5 m
 Weight: 3.2 kg
 Certifications: CE, EAC, Ukr, Cm, CB report
How to use
Place the Eaton 3S550I on a stable, ventilated surface away from direct heat sources and liquids. Connect the UPS to mains power using the supplied cable and plug your devices into the AC outlets. For basic monitoring, connect the USB 2.0 port to a computer if software is available; otherwise the UPS will automatically switch to battery when mains power fails. Periodically check the battery condition according to the manufacturer’s maintenance guidance and replace the sealed lead acid battery when end-of-life indications appear or runtime degrades significantly.
Usage recommendations
Use the UPS to protect critical equipment from short-term outages and to allow orderly shutdown of systems. Avoid connecting equipment that exceeds the 330 W output rating and refrain from placing heavy objects on the unit. Maintain ambient temperature within the manufacturer’s recommended range, perform occasional battery self-tests if supported, and replace the VRLA battery at the end of its service life to ensure continued backup availability.

## 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 Eaton 3S550I cost, and is it available for purchase?

The price is 104.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Thursday 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 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/3471572/65770996_large.webp