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.

What it includes
- 400 V three-phase
- Internal or external batteries
- Modular frame to 250 kW
- Start-up service included
Overview
Three-phase, without the complexity
The Easy UPS three-phase family covers 10 kVA to 600 kVA at 400 V: the 3S for compact rooms with internal or external batteries, the 3M for mid-sized sites, the 3L for large loads, and a modular system that scales from 50 kW to 250 kW.
Key models
| Part number | Model | Rating |
|---|---|---|
| E3SUPS20KHB | Easy UPS 3S, 3:3, internal batteries | 20 kVA |
| E3SUPS40KH | Easy UPS 3S, 3:3, external batteries | 40 kVA |
| E3MUPS120KHS | Easy UPS 3M, 3:3, external batteries | 120 kVA |
| E3MUPS200KHS | Easy UPS 3M, 3:3, external batteries | 200 kVA |
| E3LUPS400KHS | Easy UPS 3L, 3:3 | 400 kVA |
| EMUPS50K250PBHS | Easy UPS 3-Phase Modular, scalable to 250 kW | 50 kW |
Related
All products
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Galaxy VS, VM, VL & VX
High-efficiency three-phase UPS for data centres, buildings and industry — from the compact Galaxy VS to the 1.5 MVA Galaxy VX.

Three-phase UPS
Symmetra PX
Modular three-phase UPS with integrated distribution, hot-scalable power and run-time, built for data centres from 16 kW to 500 kW.

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.