KEMPPI Master MLS 3500 Specification MMA load capacity at 40 ° C At 40% duty cycle : 350 A / 15.0 KVA At 100% duty cycle : 220 A / 8.0 KVA mma welding range : 10 A / 20.5 V... 350 A / 34.0 V Weldable electrode : Ø 1.6... 6.0 mm TIG load capacity at 40< C At 40% duty cycle : 400 A / 13.8 KVA At 100% duty cycle : 270 A / 7.3 KVA TIG welding range : 5 A / 10 V... 400 A / 26.0 V Open circuit voltage, max : 80 V welding current adsjustment : Stepless Mains voltage : 3~ 400 V - 20% ...+ 20% Connection cable? fuse : 4 x 2.5 mm2 - 5 m / 16 A Efficiency for MMA : 86% Power factor : IP 23 C Degree of protection : 0.95 Dimensions ( L x W x H ) : 500 x 180 x 390 mm Weight : 21 Kg order # : 102.01.004