DN2-16X DN2-25X DN2-25C DN2-31X DN2-31C DN2-40X DN2-40C DN2-63X Fixedinputvoltage(V) 1 380 1 380 1 380 1 380 1 380 1 380 1 380 1 380 Frequency(Hz) 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 Rateddutycycle(%) 50 50 50 50 50 50 50 50 Fixedinputcapacity(KVA) 16 25 25 31 31 40 40 63 Secondaryunloadvoltage(V) 3.65 4.75 4.75 5.58 5.58 6.8 6.8 7.9 Max.shortcircuitcurrent(KA) 12 15 15 18 18 20 20 22.5 Typeofweldingarm X X C X C X C X Maxweldingthickness(mm) 2+2 3+3 2.5+2.5 3.5+3.5 3.5+3.5 4+4 4+4 5+5 Waterconsumption(L/Min) 4 4 4 5 5 7.5 7.5 7.5 Compressedairsupply(MPa) 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.6 Weldingspeed(points/Min) 80 80 60 80 60 100 80 100 Spot Welding Machine