🏭 Industrial UPS Designer (Online)
Calculator
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Device name
Watts
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Topology
Online — Transformerless
Online — Transformer-based
Phase
3Φ in / 3Φ out
3Φ in / 1Φ out
Battery strings (series)
16 × 12V → 192 Vdc
20 × 12V → 240 Vdc
32 × 12V → 384 Vdc
40 × 12V → 480 Vdc
Battery Chemistry
Lead-Acid (k=1.20, H=20h)
AGM / Gel (k=1.15, H=20h)
LiFePO₄ (k=1.05, H=1h)
Target Backup (minutes)
PF
η (efficiency)
Headroom
None (×1.00)
Electronics (×1.25)
Motor (×2.0)
Motor (×2.5)
Motor (×3.0)
Tip:
Use ×1.25 for electronics and ×2.0–3.0 for motor loads (inrush).
Calculate
Headroom presets: None (×1.00), Electronics (×1.25), Motor (×2.0–3.0).