Eaton 3S 550 AU Professional UPS


10 in stock

Product Highlights

  • Provide up to 10 minutes battery backup at 50% load
  • Ideal Protection (550VA/330W) for entry-level peripherals and PC
  • Replaceable battery
  • Wall mounting system
  • Comes with cable supplied USB port, HID compliant for automatic integration into major OS (Windows/MacOS/Linux)
  • Comes with reset button (circuit breaker)


10 in stock

Eaton 3S 550 AU Professional UPS


The 3S550AU, an Eaton 3S Standby UPS Series model, is perfectly designed to protect home and office computer equipments. This 550VA-rated UPS comes with six C13 outputs. Three C13 outputs provide battery backup and surge protection, and the other three provide only surge protection.

Eaton’s 3S550AU Standby UPS successfully protects the computer equipment as well as data in case of everyday events such as storms, lightning strikes, over-demand on the utility grid, accidents, and natural disasters knocking out power supply without warning. The UPS has six C13-type Australian outlets. It provides easy connection to most types of POS equipment, computers, broadband, peripheral devices, IP telephony infrastructure, and modems. It successfully supports a connected device such as a computer for up to 10 minutes at 50% load. From ‘back door’ power surges, it easily protects broadband, Ethernet, and telephone lines.

The 3S550AU is basically a model from Eaton’s 3S Standby UPS Series. All models come with a compact, sealed lead-acid battery and it is also replaceable. The HID-compliant USB communications port enables automatic integration with most common operating systems like Windows XP, Vista and 7, Linux, and Mac OS X. Then it utilizes shutdown software, which is supplied with that UPS. It supports a configuration that automatically saves work in progress on a PC and provides a graceful shutdown of applications without losing data. Once power is restored, you can continue right where you left off. For the input power protection, a resettable circuit breaker is also provided. For desktop or wall mount installation, all 3S Standby UPS Series models are housed in a durable case.



Communication Ports: HID-compliant USB port for automatic integration with most common operating systems (Windows XP, Vista and 7, Linux, Mac OS X), cable supplied


Battery Type: Compact, sealed lead-acid (replaceable)

Battery Replacement Indicators: LED

Battery Test: Yes

Deep Discharge Protection: Yes

Electrical Input

Connection: Aust. 10A

Input Cord: 1.5 meter fixed cord with Australian 10A plug

Input Voltage Range: Up to 161-284 V (adjustable)

Frequency: 50/60 Hz auto-select

Electrical Output

Voltages: 240 V (settable to 220 V, 230 V or 240 V)

Output Receptacles: (3) Aust. 10A, (3) Aust. 10A surge only

Environmental & Standards

Safety markings: IEC/EN 62040-1-1,    CE mark, A-Tick

EMC Markings: IEC 62040-2,    C-Tick

Data Line Protection: Tel/fax/modem/internet/Ethernet


Depth: 335 mm

Width: 140 mm

Height: 86 mm


Weight (Kg): ‎2.9

In the box and Warranty

Contents (Ships with the following items): USB cable and user manual

Warranty: 3 years on electronics, 2 years on battery

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