Kemppi RA 450 W Welding power: 450 amps at 45% duty 400Ampere at 60% duty cycle 310 amps at 100% duty cycle welding range 40-450 amps water cooling with acceptable wire feed Offer FU 20 with about 6meter intermediary cable + erxtra rolls for wire sizes 0.8 and 1.0 mm Weight approx 280kg