Single-phase UPS
Smart-UPS On-Line
High-density online UPS for servers, storage and network equipment, with extended run-time, network management and lithium-ion options.

What it includes
- Double-conversion online
- Extended run-time
- Network management slot
- Rack/tower convertible
Overview
The workhorse of the server room
Smart-UPS On-Line protects servers, storage and network equipment with double-conversion power, extended run-time options and a SmartSlot for network management — in tower and rack/tower models from 1 kVA to 20 kVA.
Key models
| Part number | Model | Rating |
|---|---|---|
| SRT1000XLI | Smart-UPS On-Line, tower | 1 kVA / 1 kW |
| SRT3000XLI | Smart-UPS On-Line, tower | 3 kVA |
| SRTL5KRM2UI | Smart-UPS Ultra On-Line, lithium-ion, rack/tower 2U | 5 kVA |
| SRTG6KXLI | Smart-UPS On-Line, rack/tower | 6 kVA |
| SRTG10KXLI | Smart-UPS On-Line, rack/tower | 10 kVA / 10 kW |
| SRTG20KXLI | Smart-UPS On-Line, rack/tower | 20 kVA / 20 kW |
Related
All products
Single-phase UPS
Easy UPS On-Line
Double-conversion online protection for small server rooms, branches and sensitive equipment, in tower and rack-mount formats with lithium-ion options.

Single-phase UPS
Symmetra LX
Modular, scalable single-phase UPS with N+1 redundancy: add power and battery modules as the load grows, without taking it offline.

Three-phase UPS
Easy UPS 3S, 3M, 3L & Modular
Three-phase protection that is simple to choose and simple to run — compact 3S, mid-range 3M, large 3L and a modular frame that scales from 50 kW to 250 kW.