Carefully made, learn more about natural good Keyi electromagnetic stove, please visit the website:! Www.koedrdn.com information to understand electromagnetic stove rated power: 5kw Rated current: 22A Supply voltage / frequency: 220V/50Hz power wires cut Area selection (Reference): 4mm2 Meter Selection: ≥ 30A electrical protection class: 33IP electric efficiency: ≥ 98% shell heat: ≤ 2% thermal efficiency: 100% heating system maximum capacity (Reference): 331L heating system pressure: 0.3Mpa pump configuration minimum flow: 15L/min expansion tank capacity (optional): 4Mpa maximum heating water temperature: 80 ℃ low temperature protection freezing temperatures: 5 ℃ 65 ℃ hot Fisheries rate: 2.75L/min 55 ℃ hot Fisheries rate: * L / min 45 ℃ hot Fisheries rate: 7.3L/min Dimensions: 40 * 38 * 60 cm out of the water interface diameter: DN25 heating area: 70 to 130 square meters of heating space: 231 ~ 429m3