Distribution Network - Kemppi Kempact 251R Operating Manual

When locating and siting the machine prior to and during operation, it is important to
NOTE!
ensure that the metal chassis of the machine does not come into contact with the welding circuit,
and/or surfaces so connected.
Never aim metallic grinding spray/sparks towards the equipment.
NOTE!
2.3

Distribution network

All regular electrical devices without special circuits generate harmonic currents into
distribution network. High rates of harmonic current may cause losses and disturbance to
some equipment.
Kempact 181A, 251R, 251A:
Equipment complying with IEC 61000-3-12
Kempact 253R, 253A:
This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc
is greater than or equal to 2.7 MVA at the interface point between the user's supply and
the public supply network. It is the responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network operator if necessary, that the
equipment is connected only to a supply with a short-circuit power Ssc greater than or equal
to 2.7 MVA.
Kempact 323R, 323A:
This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc
is greater than or equal to 2.1 MVA at the interface point between the user's supply and
the public supply network. It is the responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network operator if necessary, that the
equipment is connected only to a supply with a short-circuit power Ssc greater than or equal
to 2.1 MVA.
Kempact 251 MVU:
This equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc
is greater than or equal to 1.1 MVA at the interface point between the user's supply and
the public supply network. It is the responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network operator if necessary, that the
equipment is connected only to a supply with a short-circuit power Ssc greater than or equal
to 1.1 MVA.
© Kemppi Oy / 1135
EN
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