# Uninterruptible Power Supply UPS Eaton 3S550D

**URL:** https://aio.lv/en/product--eaton-3s550d--3061735
**Data updated:** 2025-12-29 10:43 (EET)
**Category:** UPS
**Manufacturer:** EATON
**Manufacturer code:** 3S550D
**EAN:** 743172101754
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 85.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-3s550d--3061735

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Eaton 3S550D is a Standby (Offline) uninterruptible power supply with a capacity of 0.55 kVA and 330 W. It features 6 AC outlets and uses Sealed Lead Acid (VRLA) battery technology. The UPS is designed to protect your devices from power outages and surges, ensuring continuous operation. With a cable length of 1.5 m and a sleek black and white design, it is both functional and aesthetically pleasing. Certified with CE/EAC/Ukr/Cm/CB report.

## Long description

The Eaton 3S550D Uninterruptible Power Supply (UPS) is a standby (offline) UPS providing 0.55 kVA (550 VA) / 330 W of output power. Designed for home and small-office use, it protects desktop computers, wireless networks, gaming consoles and other critical equipment from power outages and surges. The unit includes six AC outlets, a 1.5 m power cable and uses sealed lead-acid (VRLA) battery technology. The compact two-tone black-and-white design fits a variety of environments and the product is certified CE/EAC/Ukr/Cm with CB report.
Advantages
The Eaton 3S550D offers reliable basic backup power and surge protection for sensitive electronics. With six AC outlets it allows connection of multiple devices and the sealed lead-acid battery ensures maintenance-free operation. Its standby (offline) topology provides automatic transfer to battery during mains failure, while the modest weight and compact footprint make installation and placement straightforward.
Suitable for
Desktop PCs and workstations
Wireless routers and network equipment
Home entertainment and gaming consoles
Modems, VoIP devices and small office equipment
Key specifications
Model: Eaton 3S550D (MPN: 3S550D, EAN: 743172101754)
Type: Standby (Offline) UPS
Output power capacity: 0.55 kVA (550 VA)
Output power: 330 W
AC outlets: 6 AC outlet(s)
Battery technology: Sealed Lead Acid (VRLA)
Cable length: 1.5 m
Colour: White, Black
Weight: 3.2 kg
Certifications: CE, EAC, Ukr, Cm, CB report
How to use
Place the UPS on a flat, stable surface near the devices to be protected and the mains socket. Connect your equipment to the UPS AC outlets, prioritizing critical devices for battery-backed outlets. Plug the UPS into the mains and switch it on. During a mains failure the unit will automatically switch to battery power to keep connected equipment running. Follow the manufacturer instructions for initial charging and test the battery periodically to confirm backup availability.
Usage recommendations
To maximize service life, install the UPS in a well-ventilated area away from heat sources, keep the unit clean and perform regular battery tests. Avoid connecting high-power appliances that exceed the 330 W output rating.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| AC outlets quantity | 6 AC outlet(s) |
| 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 3S550D cost, and is it available for purchase?

The price is 103.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 01.07.2026 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. All transactions are 100% secure and encrypted.

### 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, 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/3061735/65770675_large.webp