Tripp Lite SmartPro USB UPS System


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Tripp Lite's SMART550USB line interactive UPS system offers voltage regulation, surge suppression and long lasting battery support for personal computers, internetworking equipment and other sensitive electronics.  Internal UPS circuits support entry level PC systems for up to 30 minutes during power failures so that connected equipment can be shutdown without data loss.  Automatic Voltage Regulation (AVR) circuits regulate brownouts as low as 83 volts back to normal 120V levels without using battery power.  The SMART550USB offers complete desktop power protection in an black tower configuration.  Includes 3 battery supported outlets for computer, monitor and one vital system peripheral, plus 3 additional surge suppression-only outlets for printers and other system accessories not requiring battery support. 

Tripp Lite SMART550USB Features:
  • SMART550USB line interactive UPS system offers voltage regulation and battery support, plus complete AC and dialup/DSL modem line surge suppression
  • Supports entry level PC systems for up to 30 minutes during power failures to enable a safe system shutdown
  • Supports a max load of 550VA/300 watts for 5 minutes and a half load of 275VA/150 watts for 17 minutes
  • Automatic Voltage Regulation (AVR) circuits correct brownouts as low as 83 volts without using battery power
  • Attractive stealth black tower configuration
  • Includes 3 battery supported outlets, plus 3 additional surge suppression-only outlets, 6 foot AC line cord (all NEMA 5-15)
  • USB port enables unattended shutdown without data loss during extended power failures, includes USB cable
  • PowerAlert software available via free download from
  • Built-in RJ11 phone suppression jacks protect modem, fax machine or other peripheral with a dialup or DSL line phone connection
  • Built-in audible alarm and 4 front panel LEDs indicate UPS system and line power status
  • 550VA / 300 watt power handling ability supports a variety of computer, internetworking, telecom and consumer electronics equipment
  • Supports battery replacement via built-in access panel
  • Compatible with 120V / 60Hz applications for USA, Canada, Mexico and more
  • 2 year manufacturers warranty
  • $50,000 connected equipment Insurance (USA & Canada Only)
Tripp Lite SMART550USB Application:
  • Entry-level PCs, networked workstations, point-of-sale equipment, small business phone systems, audio/video equipment and home theater systems. Ideal for sensitive electronic applications in areas where brownout conditions are common.
Tripp Lite SMART550USB Package Includes:
  • SMART550USB UPS System
  • USB and Telephone interconnection cables
  • Instruction manual with warranty information

Tripp Lite SMART550USB Specifications:

Height 8.5 in. (21.6 cm.)
Width 5 in. (12.7 cm.)
Depth 6.5 in. (16.5 cm.)
Weight 14.4 lbs. (6.5 kg.)
Shipping weight 16 lbs. (7.3 kg.)
Material of construction PVC
Form factors supported Tower
Cooling method Convection
Battery Access Battery access door allows user replacement of UPS batteries
Operating Temperature +32 to +104 F (0 to +40 C)
Storage Temperature +5 to +122 F (-15 to +50 C)
Relative Humidity 0 to 95%, non-condensing
Volt amp capacity 550 VA
Watt capacity 300 watts
Nominal voltage 120V AC
Voltage regulation Battery Mode: PWM sine wave 120V +/-10%
Frequency regulation LINE MODE: Passes line frequency of 60Hz +/-10%
BATTERY MODE: Inverter output regulated to 60Hz +/-0.5Hz
Quantity/type 6 NEMA 5-15R
Maximum input amps 10A/1200 watts
Connection type NEMA 5-15P
Cord length 6 ft., 16 gauge
Recommended electrical service 15A 120V
Full load runtime 5 minutes (550VA)
Half load runtime 17 minutes (275VA)
DC system voltage 12V DC
Typical battery lifespan 3-6 years, depending on usage
Battery recharge rate 2-4 hours to 90%
Replacement battery cartridge RBC51
Voltage Regulation  
Voltage regulation description Line interactive voltage regulation corrects brownouts as low as 83V back to 120V nominal values
Direct pass through Voltages of 106V and greater are passed through to connected equipment unchanged
Brownout correction Input voltages between 83 and 105 are boosted by 14%
LEDs Alarms & Switches  
Front panel LEDs 4 LEDs indicate performance conditions: GREEN "online" / GREEN "voltage regulation enabled" / RED "on battery" / YELLOW "battery low/replace"
Alarms Audible alarm with 15 second delay sounds to indicate loss of utility power. Alarm can be silenced by pressing front panel alarm cancel button. Once silenced, alarm will re-sound when approximately 2 minutes runtime remain.
Switches Includes 2 front panel switches - one main on/off power switch and one dual function "alarm cancel" / "self test" button
Surge/Noise Suppression  
AC surge suppression 480 joules
AC suppression response time Instantaneous
Dataline suppression Tel/DSL
EMI/RFI AC noise suppression Yes
Network monitoring port USB
Cabling included USB
WatchDog compatibility Yes, compatible with 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
Line/Battery Transfer  
Transfer time from line power to battery power 2-4 milliseconds
Low voltage transfer to battery power Switches to battery power as line voltage decreases to 83 volts or less. Resets to line power mode as line voltage increases to 87V or higher.
High voltage transfer to battery power Switches to battery power as line voltage increases to 147 volts or higher. Resets to line power mode as line voltage decreases to 143V or less.
Certifications UL1778 (USA), cUL (Canada), Class B (emissions), NOM (Mexico), FCC Part 68 / Industry Canada (Telecommunications)
UPC / EAN Barcode icon
UPC 0037332116192
EAN 00037332116192