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duty cycle 60 % 60 % 100% duty cycle at 250 A 270 A Mains fuse T 16 A T 20 A Cooling F F Insulation class H H Protection class IP 21 IP 21 IP 21 Wire feed - - 4 roller drive Dimensions (Ixwxh) 1080x423x533 1080x423x533 737x420x240 Weight (with SDV) 130.3 kg 144.1 kg 24 kg Temperature range: operation -10 to +40 °C -10 to +40 °C -10 to +40 °C storage -20 to +70 °C -20 to +70 °C -20 to +70 °C Operating conditions: relative humidity 10-80 % 10 - 80 % 10 - 80 % Recommended welding t