Kemppi Kempact 251R Operating Manual

Also see for KEMPACT 181A: Quick guide Service manual

ENNOTE! When locating and siting the machine prior to and during operation, it is important toensure that the metal chassis of the machine does not come into contact with the welding circuit,and/or surfaces so connected.NOTE! Never aim metallic grinding spray/sparks towards the equipment.2.3 Distribution networkAll regular electrical devices without special circuits generate harmonic currents intodistribution network. High rates of harmonic current may cause losses and disturbance tosome equipment.Kempact 181A, 251R, 251A:Equipment complying with IEC 61000-3-12Kempact 253R, 253A:This equipment complies with IEC 61000-3-12 provided that the short-circuit power Sscis greater than or equal to 2.7 MVA at the interface point between the user’s supply andthe public supply network. It is the responsibility of the installer or user of the equipmentto ensure, by consultation with the distribution network operator if necessary, that theequipment is connected only to a supply with a short-circuit power Ssc greater than or equalto 2.7 MVA.Kempact 323R, 323A:This equipment complies with IEC 61000-3-12 provided that the short-circuit power Sscis greater than or equal to 2.1 MVA at the interface point between the user’s supply andthe public supply network. It is the responsibility of the installer or user of the equipmentto ensure, by consultation with the distribution network operator if necessary, that theequipment is connected only to a supply with a short-circuit power Ssc greater than or equalto 2.1 MVA.Kempact 251 MVU:This equipment complies with IEC 61000-3-12 provided that the short-circuit power Sscis greater than or equal to 1.1 MVA at the interface point between the user’s supply andthe public supply network. It is the responsibility of the installer or user of the equipmentto ensure, by consultation with the distribution network operator if necessary, that theequipment is connected only to a supply with a short-circuit power Ssc greater than or equalto 1.1 MVA.5© Kemppi Oy / 1135