SmartPro 120V 500VA 300W Line-Interactive UPS, 1U, WEBCARDLX, USB, DB9,

When the power flickers, a conference room, control room or network closet shouldn’t go with it: the Eaton SMART500RT1UN is a 500 VA / 300 W line-interactive UPS in a rackmount; tower 1U format.

Backup power comes from a Valve Regulated Lead Acid (VRLA) battery, with about 3 min (300W) at full load and about 14 min (150W) at half load, and it delivers pwm sine wave output on battery. Request a quote for 5 or more units on multi-site and multi-rack rollouts.

Key Features

• Capacity: 500 VA / 300 W
• Topology: Line-Interactive
• Outlets: (6) 5-15R
• On-battery output: PWM sine wave
• Runtime: 3 min (300W) full load; 14 min (150W) half load
• Battery: Valve Regulated Lead Acid (VRLA)
• Form factor: Rackmount; Tower 1U

Ideal For

• Network closets: ride through outages
• AV control rooms: protect equipment
• Multi-site rollouts: quote 5+ units

Eaton 500VA 300W Line-Interactive UPS, Rackmount; Tower 1U Specifications

Eaton SMART500RT1UN technical specifications, grouped by feature

Specification	Details
Physical
Unit Dimensions (H x W x D, In)	1.000 x 17.320 x 11.260 in
Unit Weight (Lb)	17.600
Additional Features
UPS Type	Line-Interactive
Output Capacity (VA)	500
Output Capacity (W)	300
Nominal Output Voltage(s)	120V
Output Receptacles	(6) 5-15R
Output AC Waveform (Battery)	PWM sine wave
Battery Type	Valve Regulated Lead Acid (VRLA)
Runtime At Full Load	3 min (300W)
Runtime At Half Load	14 min (150W)
Primary Form Factor	Rackmount; Tower
Rack Height	1U
Minimum Rack Depth (In)	15
UPS Input Connection Type	5-15P
Transfer Time	4 milliseconds (AC to battery); 7 milliseconds (Battery to AC)
Audible Noise	45 dBA maximum, front side 1m
General
Brand	Eaton
Model	SMART500RT1UN
UPC	037332224170

Specifications are verified against the Eaton manufacturer data sheet (October 2026) and may change without notice. Confirm critical requirements with Eaton before ordering.

Warranty & Support

Planning a multi-room or multi-site install? Request a quote from Robertson AV for 5 or more units, or call us at 800-919-6548 or email orders@robertsonav.com. Free ground shipping on U.S. orders. Schools, businesses, government agencies and houses of worship: ask us about project and quantity pricing.