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Tripp-lite AVR Series 230V 550VA 300W Ultra-Compact Line-Interactive UPS with USB port, C13 Outlets



  • 550VA ultra-compact 230V line interactive UPS
  • Corrects brownouts and overvoltages from 159V to 282V
  • 3 UPS battery supported outlets, 3 surge-only outlets
  • USB port, TEL/DSL protection, Wall mountable
  • C14 inlet and 6 C13 outlets
  • 2-year limited warranty

Tripp Lite's AVRX550U Ultra-Compact Line Interactive UPS offers complete power protection for desktop PCs, network workstations and a wide variety of professional and consumer electronic devices. Uninterruptible Power Supply / UPS circuits switch to battery backup mode within milliseconds to keep connected equipment running without interruption or data loss during power failures. Automatic Voltage Regulation / AVR power conditioning maintains smooth, continuous operation of connected equipment during brownouts and overvoltages. Surge-only outlets offer convenient protection for printers and other desktop accessories not requiring battery support. AC and dataline surge suppression prevents connected equipment damage. USB communications port supports built-in power management and auto-shutdown features of Windows and Mac OS X or full featured monitoring and data-saving auto-shutdown options using Tripp Lite's free PowerAlert monitoring software.


  • AVRX550U ultra-compact 230V line interactive UPS offers complete AC power protection from blackouts, brownouts and transient surges
  • 550VA / 300 watt UPS output capacity
  • Uninterruptible Power Supply / UPS operation maintains battery-derived AC output during blackouts to prevent data loss and system downtime for connected equipment
  • Built-in USB port enables data-saving unattended shutdown when used with Tripp Lite's PowerAlert software, available via FREE download from
  • HID-compliant USB port also enables integration with built-in power management and auto shutdown features of Windows and Mac OS X
  • Automatic Voltage Regulation / AVR corrects extended brownouts and overvoltages from 159 to 282V, without using battery power
  • 5.1 minutes runtime at 50% load (150 watts)
  • Up to 10 minutes runtime for a small desktop computer system consuming 80 watts continuous
  • 6 total C13 outlets; Includes two 2m C13 to C14 power cables
  • 3 UPS battery backup outlets, plus 3 additional surge-only outlets
  • C14 inlet supports a variety of site specific input cordsets
  • Network grade AC surge protection is available from all outlets
  • Built-in data line surge suppression protects a single dialup or DSL line
  • Supports Tripp Lite's Watchdog system service to restore operation to locked equipment through soft reboot of application/OS or hard power off/on reboot of connected equipment, ideal for unattended kiosk applications
  • Built-in grounding lug
  • Hot swappable user battery replacement supported via easy access battery access door
  • Optional PDUBHV10 bypass PDU enables hot-swappable UPS replacement with no disruption to connected equipment
  • Space saving, ultra-compact housing with support for wall-mount, desktop or floor placement



UPC Code


UPS Type



Rated input current (Maximum Load)


Nominal Input Voltage(s) Supported

230V AC

UPS Input Connection Type

C14 inlet

UPS Input Connection Description

Attached 15cm line cord with C14 inlet. The C14 inlet accepts user-supplied AC power cord with country specific plug

UPS Input Cord Length (ft.)


UPS Input Cord Length (m)


Input Phase



Output Volt Amp Capacity (VA)


Output Watt Capacity (Watts)


Nominal Voltage Details

230V nominal output in battery mode

Frequency Compatibility

50 / 60 Hz

Frequency Compatibility Details

Automatic frequency selection

Output Voltage Regulation (Line Mode)

+8%, -21%

Output Voltage Regulation (Battery Mode)

+/- 5%

Included Output Power Cables

Includes 2 C13 to C14 output power cables

UPS Output Receptacles (Surge Suppression Only)

3 UPS outlets, 3 surge-only outlets

Hot-Swap PDU options

PDUBHV10 (2U / 8 C13 outlets)

Output AC Waveform (AC Mode)

Sine wave

Output AC Waveform (Battery Mode)

PWM sine wave

Nominal Output Voltage(s) Supported

220V; 230V; 240V

Output Receptacles

(6) C13

Individually Controllable Load Banks  



Battery Type

Valve Regulated Lead Acid (VRLA)

Half Load Runtime (min.)  

5.1 min. (150w)

Expandable Runtime


DC System Voltage (VDC)


Battery Access

Battery access door

Internal UPS Replacement Battery Cartridge

IMPORTANT BATTERY REPLACEMENT INFORMATION > If the original battery inside your AVRX550U UPS has a rating of 12V 3.6AH, please order Tripp Lite  RBC36H  (quantity 1) replacement battery; If the original battery inside your AVRX550U UPS has a rating of 12V 5AH, please contact Tripp Lite for assistance

Battery Replacement Description

Hot-swappable, user replaceable batteries


Voltage Regulation Description

Automatic voltage regulation (AVR) maintains line power operation with an input voltage range of 159 to 282VAC

Overvoltage Correction  

Input voltages between 245 and 282 are reduced by 12%

Undervoltage Correction  

Input voltages between 159 and 205 are boosted by 14%



Combination switch controls on/off power status and self-test operation

Audible Alarm

Audible alarm indicates power-failure and overload status

LED Indicators

2 LEDs indicate power status and overload/check battery status


UPS AC Suppression Joule Rating


UPS AC Suppression Response Time


UPS Dataline Suppression

1 line TEL/DSL (1 in / 1 out)

EMI / RFI AC Noise Suppression  



Primary Form Factor


Installation Form Factors Supported with Included Accessories

Tower; Ultra-compact desktop; Wallmount

Primary UPS Depth (mm)


Primary UPS Height (mm)


Primary UPS Width (mm)


Shipping Dimensions (hwd / cm)

11.68 x 34.04 x 22.35

Shipping Weight (kg)


UPS Housing Material


UPS Power Module Dimensions (hwd, cm)

8.89 x 27.94 x 14.73

UPS Power Module Weight (kg)



Operating Temperature Range

+32 to +104 degrees Fahrenheit / 0 to +40 degrees Celsius

Storage Temperature Range

+5 to +122 degrees Fahrenheit / -15 to +50 degrees Celsius

Relative Humidity

0 to 95%, non-condensing

AC Mode BTU / Hr. (Full Load)  


AC Mode Efficiency Rating (100% Load)



PowerAlert Software

For local monitoring via the UPSs built-in communication ports, download PowerAlert Local software at

Communications Cable

USB interface cable included

WatchDog Compatibility

Supports Watchdog application, OS and hard-reboot restart options for remote applications

Network UPS Tools Compatibility

NUT compatible. See the full list of Tripp Lite NUT compatible UPS systems at Lite

Network Management Card Description

Network management not supported

Communications Interface

USB (HID enabled)


Transfer Time  

4 milliseconds

Low Voltage Transfer to Battery Power (Setpoint)


High Voltage Transfer to Battery Power (Setpoint)



Grounding Lug


Cold Start (Startup in Battery Mode During a Power Failure)

Cold-start operation supported

High Availability UPS Features  

Automatic Voltage Regulation (AVR); Hot swappable batteries; Surge/noise protection

Green Energy-Saving Features

Greater than 95% efficiency - GREEN UPS


UPS Certifications

CE; Tested to GOST (Russia); Tested to SASO (Saudi Arabia); Meets FCC Part 15 Category B (EMI); ROHS (Restriction of Hazardous Substances)

Certification Details



Product Warranty Period (International)

2-year limited warranty

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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