... appliances. Versatile For Use in *Shops, homes, restaurants, offices, factories (single phase), etc. Technical Parameters *Voltage Range: 90 - 250 Vac, 50Hz/60Hz ... °C to 60°C or 5°F to 140°F *Single Phase Model *Use one Power Saver for every 50,000 watts ... electricity supply so as to detect all loads before the meter and adjust the power factor accordingly, If it is installed ...