... . Versatile For Use in *Shops, homes, restaurants, offices, factories (single phase), etc. Technical Parameters *Voltage Range: 90 - 250 Vac, 50Hz/60Hz ... to 60°C or 5°F to 140°F *Single Phase Model *Use one Power Saver for every 50,000 watts ... has started saving electricity. *Install one power saver to each phase. Notes *Reduces wave form distortions. *Surge protecion. *No movable parts ...