# Eaton 3S550D Uninterruptible Power Supply (UPS) Standby 0.55 kVA 330 W with 6 AC Outlets

**URL:** https://aio.lv/en/product--eaton-electric-gmbh-3s550d--10757245
**Data updated:** 2026-06-27 08:56 (EEST)
**Category:** UPS
**Manufacturer:** Eaton Electric GmbH
**Manufacturer code:** 3S550D
**EAN:** 0743172101754
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 101.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 84.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-electric-gmbh-3s550d--10757245

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The Eaton 3S550D is a reliable standby (offline) uninterruptible power supply designed to protect electronic equipment from power surges and outages. It features an output power capacity of 0.55 kVA and 330 W, equipped with 6 AC outlets for versatile connectivity. This compact UPS utilizes sealed lead-acid battery technology to ensure stable power delivery, making it an ideal solution for home and office workstations.

## Long description

The Eaton 3S550D is a reliable standby uninterruptible power supply (UPS) engineered to safeguard your sensitive electronic equipment against power surges, spikes, and unexpected outages. With an output power capacity of 0.55 kVA and 330 W, this compact device provides a stable power backup, ensuring that your connected hardware remains operational or shuts down safely during electrical disturbances. Its functional design incorporates 6 AC outlets, offering sufficient connectivity for multiple devices in a home or office environment.
Advantages
The primary benefit of the Eaton 3S550D is its ability to provide consistent power protection in a space-saving form factor. By utilizing sealed lead-acid battery technology, it offers a dependable buffer against grid instability. The inclusion of multiple outlets allows users to protect a variety of peripherals simultaneously, reducing the need for additional power strips. Its quiet operation and straightforward setup make it an efficient solution for maintaining the longevity of your electronic investments.
Suitable for
Desktop computers and workstations
Wireless networking equipment and routers
Gaming consoles
Home office peripherals
Small electronic devices requiring surge protection
This UPS may not be suitable for high-power consumption equipment such as laser printers, space heaters, or large server racks that exceed the 330 W power limit. It is designed for standard office and home electronics rather than industrial machinery or heavy-duty appliances.
Key specifications
Output power capacity: 0.55 kVA
Maximum output power: 330 W
Number of AC outlets: 6
Weight: 3.2 kg
Color: White and Black
How to use
To use the Eaton 3S550D, place the unit in a well-ventilated area near your equipment. Connect the power cord to a grounded wall outlet. Plug your devices into the designated AC outlets on the back of the unit. Once connected, press the power button to activate the UPS. The device will automatically monitor the power supply and switch to battery power if an outage or significant voltage fluctuation is detected.
What to consider before purchase
Verify that the total power consumption of your connected devices does not exceed 330 W.
Ensure the physical dimensions fit your intended workspace.
Confirm that the outlet type matches your local electrical standards.
Consider the runtime requirements for your specific hardware during a power failure.
Usage recommendations
Regularly test the battery status to ensure optimal performance during an emergency. Keep the unit away from extreme temperatures and moisture to maintain the integrity of the internal battery.

## 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 Eaton 3S550D Uninterruptible Power Supply (UPS) cost, and is it available for purchase?

The price is 101.99 € (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 20.07.2026 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 Eaton 3S550D Uninterruptible Power Supply (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 Electric GmbH 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 Electric GmbH 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/10757245/59956960_large.webp