62
Technical data
Operating envi-
ronments
Explanation of
the term "duty cy-
cle"
Duty cycle (D.C.) is the proportion of time in a 10-minute cycle at which the device may be
operated at its rated output without overheating.
Example: Welding at 150 A at 60% D.C.
- Welding phase = 60% of 10 minutes = 6 minutes
- Cooling phase = remaining time = 4 minutes
- After the cooling phase, the cycle begins anew.
If the device is to be continuously operated without stopping:
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.
Transport, storage or operation of the charger outside the stipulated area will
be deemed improper. The manufacturer shall not be held liable for any dam-
age arising from such usage.
Ambient temperature range:
- during operation: -10 °C to +40 °C (14 °F to 104 °F)
- during transport and storage: -20 °C to +55 °C (-4 °F to 131 °F)
- recommended temperature range during charging: + 4 °C to + 40 °C (+
39,2 °F to + 104 °F)
Relative humidity:
- up to 50 % at 40 °C (104 °F)
- up to 90 % at 20 °C (68 °F)
The surrounding air must be free from dust, acids, corrosive gases or sub-
stances, etc.
Can be used at altitudes up to 2000 m (6561 ft.)
NOTE! 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 out-
put must be reduced accordingly.
10 Min.6 Min.
150 A
0 Min.
0 A
4 Min.6 Min.
60 %
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