300 kVAEXL S1 300 kVA
- Efficiency
- Up to 97% VFI · 99% Dynamic Online · >99% ECO
- Input
- 400 V 3Ph (or 3Ph+N)
- Output
- 400 V 3Ph (or 3Ph+N)
Full specsDetails
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Vertiv · Series
Monolithic transformer-free large UPS for AI and data centres - up to 97% double conversion, 99% Dynamic Online, Dynamic Grid Support, parallel up to 8 units.
300 kVA · 600 kVA · 1200 kVA
Range
USA
Origin
3
Models
Configurations
3 configurations
300 kVA
600 kVA
1200 kVAOverview
Vertiv™ Liebert® EXL S1 is a monolithic, transformer-free UPS with full IGBT three-level topology for medium-to-large data centres and AI loads. It delivers premium protection with high efficiency and a compact footprint.
Dynamic Online mode reaches up to 99% efficiency without sacrificing availability. Dynamic Grid Support enables fast frequency regulation via battery charge/discharge, while intelligent paralleling optimises efficiency at partial load.
| Type | Monolithic transformer-free 3-phase UPS |
| Topology | Full IGBT three-level (NPC2) |
| Capacity range (CE) | 300–1250 kVA / kW |
| Input voltage | 400 V (280–460), 3Ph or 3Ph+N |
| Output voltage | 400 V (380/415 selectable), 3Ph or 3Ph+N |
| Power factor | Unity (kVA = kW) |
| Parallel | Up to 8 units |
Featured configurations on this site: 300 kW, 600 kW and 1200 kW. Full EXL S1 CE range below - contact us for other ratings.
| Model | Rating (kVA / kW @ 35°C) | Active Power @ 40°C (kW) | Height (mm) | Width (mm) | Depth (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| EXL S1 300 | 300 / 300 | 270 | 1950 | 1000 | 900 | 725 |
| EXL S1 400 | 400 / 400 | 360 | 1950 | 1000 | 900 | 725 |
| EXL S1 500 | 500 / 500 | 450 | 1950 | 1250 | 900 | 990 |
| EXL S1 600 | 600 / 600 | 540 | 1950 | 1600 | 900 | 1135 |
| EXL S1 800 | 800 / 800 | 720 | 1950 | 2000 | 900 | 1550 |
| EXL S1 1000 | 1000 / 1000 | 900 | 1950 | 2650 | 900 | 2275 |
| EXL S1 1200 | 1200 / 1200 | 1080 | 1950 | 3250 | 900 | 2625 |
| EXL S1 1250 | 1250 / 1250 | 1125 | 1950 | 3250 | 900 | 2625 |
Same brand
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High-capacity modular 3-phase UPS for large data centres and AI-up to 99% Dynamic Online efficiency, unity power factor, scalable architecture.
Monolithic mid-size 3-phase UPS (100–250 kVA/kW) with three operating modes, intelligent paralleling, and up to 98.8% Dynamic Online efficiency.
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