material : mineral insulated cable power : ca. 3 to 4 KW; 230 V, 50 Hz made as : spiral or as ring tube material : "Inconel" 600 1.4571 tube diameter : 4,1 mm = 1 Ohm/m 4,5 mm = 0,63 Ohm/m insulation : MgO internal resistance : 80/20...