EN5. maintenanCe5.1 regular maintenanceCheck regularly the electrical connections of the machine. Clean any oxidised connections,and tighten the loosened cable connections.Let authorised Kemppi service workshop make periodic service to your machine. Appropriateuse and regular service guarantee trouble-free use of the machine. This allows you to avoidinterruptions and increase the productivity of the machine.NOTE! Remember that the machine may be repaired only by an electrical contractor or installerauthorised to perform such operations.5.2 disposal of the machineDo not dispose of electrical equipment with normal waste!Electrical equipment that has reached the end of its life must be collected separately andtaken to an appropriate environmentally responsible recycling facility.The owner of the equipment is obliged to deliver a decommissioned unit to a regionalcollection centre, per the instructions of local authorities or a Kemppi representative. Byapplying this you will improve the environment and human health.6. teCHniCal dataHiArc M 400R M 500RConnection voltage 3~, 50/60 Hz 380 – 440 V (-10 %…+10 %) 380 – 440 V (–10 %…+10 %)Rated power at max. current 60 % ED 17.6 kVA 24.5 kVA100 % ED 12.5 kVA 17 kVASupply current I1max 27 A 37 AI1eff 19 A 29 AOutput at 40 °C 60 % ED 400 A / 34 V 500 A / 39.0 V100 % ED 310 A / 29 V 390 A / 33.5 VFuse (delayed) 25 A 35 AOpen circuit voltage 60 – 70 V 60 – 70 VPower factor at 60 % 0.90 0.92Efficiency at 100 % 87 % 87 %Welding range 13 – 39 V 13 – 50 VExternal dimensions L x W x H 647 x 385 x 485 mm 716 x 385 x 485 mmWeight 36 kg 41 kgEMC class A ADegree of protection IP23S IP23SGas heater connection 110 V/150 W 110 V/150 WStandardsIEC 60974-1IEC 60974-10HiArc M 400R, M 500R16