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Technical data
Special voltages
For devices designed for special voltages, the technical data on the rating plate applies.
For all machines with a permitted mains voltage of up to 460 V: The standard mains plug
allows the user to operate with a mains voltage of up to 400 V. For mains voltages up to
460 V fit a mains plug permitted for such use or install the mains supply directly.
Explanation of
Duty cycle (D.C.) is the proportion of time in a 10-minute cycle at which the device may be
the term "duty cy-
operated at its rated output without overheating.
cle"
The D.
C. values specified on the rating plate are based on an ambient temperature of 40°C. If the
ambient temperature is higher, either the D.C. or output must be reduced accordingly.
Example: Welding at 150 A at 60% D.C.
-
-
-
If the device is to be continuously operated without stopping:
1
2
TSt 3500
Mains voltage (U
Max. effective primary current (I
Max. primary current (I
Mains fuse
54
NOTE!
Welding phase = 60% of 10 minutes = 6 minutes
Cooling phase = remaining time = 4 minutes
After the cooling phase, the cycle begins anew.
150 A
0 A
0 Min.
look in the technical data for a D.C. value of 100% for the reigning ambient tempera-
ture.
Reduce the output or amperage in line with this value so that the device can remain in
use without observing a cooling phase.
)
1
1max
60 %
6 Min.
6 Min.
)
1eff
)
4 Min.
10 Min.
3 x
380 V
400 V
15.0 A
14.4 A
23.6 A
22.7 A
35 A slow-blow
460 V
12.6 A
19.8 A
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