Line-Interactive UPS Comparison for Office and Edge Applications
The S71-1500 and PSA5-1500MT120 are 1500VA / 900W line-interactive UPS systems for desktop and network protection.
The S71-1500 delivers faster recovery, full battery-backed outlets, higher surge protection, and TAA compliance.
UPS Comparison
| Feature | S71-1500 | PSA5-1500MT120 | S71 Advantage |
| Capacity | 1500VA / 900W | 1500VA / 900W | Equal |
| Output Waveform | Sine (normal), simulated (battery) | Simulated sine | Cleaner utility power |
| Transfer Time (typical) | 4 ms | 6 ms (10 ms max) | Faster transfer |
| Receptacles | 6 (all battery) | 10 (5 battery + 5 surge) | All outlets backed |
| Recharge Time | 4–6 hr to 90% | 12 hr to 90% | Faster recovery |
| Dimensions | 5.1 × 12.6 × 7.1 | 3.9 × 16.2 × 11.0 | Smaller footprint |
| Weight | 23 lbs | 26.5 lbs | Lighter |
| Surge Protection | 465 J | 316 J | Higher protection |
| TAA Compliance | Yes | No | Gov approved |
| Warranty | 3 years | 3 years | Equal |
Download One-Page PDF Comparison
https://xpcc.com/wp-content/uploads/Xtreme-S71-1500-Vertiv-Liebert-PSA5-1500MT120-Comparison.pdf
Key Takeaways
- Faster recharge improves availability
- All outlets battery-backed simplifies deployment
- Higher surge protection
- TAA compliance for regulated buyers
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