− 2 −
clka0de1
RATING PLATE
The rating plate is secured to the back of the machine. The plate is shown below, with an
explanation of how it should be read and interpreted.
1. LKA 150 is the type designation for this power source. The first letter, L, indicates that
the LKA 150 is a rectifier, while K indicates Compact (Kompakt in Swedish) and A indi-
cates the design generation.
The 150 indicates the maximum welding current.
2. These symbols indicate that the LKA 240 incorporates a transformer and rectifier.
3. This section indicates the voltage/current characteristic for MMA welding and a current
range of 20 − 100 A.
The voltage values of 15 and 19 V in the heading indicate that we comply with the in-
ternational arc characteristic as defined in IEC 974−1.
X = The duty cycle, indicating for how long a time welding can be carried out at the
specified welding data, expressed as a percentage of a ten−minute period.
I
2
= The current at the respective duty factors.
U
2
= The arc line characteristic voltage.
U
o
= The open−circuit voltage.
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