... parameters ITEMGW-4-3000/0.5JRated Power3000 KWNamed capacity of the furnace4 TInput Voltage and Power Frequency690V/950V,50HZ ... rate, no shock; 3. Automatic resistance adjustment, permanent power output, 10-20% energy saved in comparison with domestic traditional ... (for over current, over voltage, insufficient water pressure, power failure, or phase absence), and mishandling will not cause ...