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Uninterruptible Power Supply UPS Eaton 3S550D
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.
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.
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.
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.
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| Warehouse | Stock | Delivery to the store | Store Price | |
| WH15 | 67 | 01.07.2026 Best delivery | 103.49 € Best price | |
| EU6 | 13 | 01.07.2026 Best delivery | 125.99 € |
|
103.49 €
Stock:
67
Delivery Date:
01.07.2026
Best delivery
Warehouse: WH15
|
|
125.99 €
Stock:
13
Delivery Date:
01.07.2026
Best delivery
Warehouse: EU6
|