Standard Model
Input Voltage
200-208 230-240 480 200-208 230-240 400 480 600
Input Current at 12kw Output
70 60 30 40 36 21 17 16.5
Input Current during Arc
Stretch
10096485656342827
Single Phase
Three Phase
CE Model
Input Voltage
230 400
Input Current at 12kw Output
36 21
Input Current during Arc
Stretch
56 34
Three Phase
Power connection
The Powermax1250 is a universal power supply that can configure itself to operate with AC
voltages from 200 to 600 (230-400 3PH for CE model). Use a line disconnect switch for each
power supply so that the operator can turn off the power supply quickly in an emergency.
Locate the switch so it is easily accessible to the operator. The interrupt level of the switch
must be equal to or exceed the continuous rating of the fuses. Use slow-blow fuses rated per
local and national electrical codes.
Three-phase power cord – plug installation
The Powermax1250 power supplies are shipped with an 8 AWG 4-wire power cord on
standard models. A 6 mm2, 4-wire HAR power cord is provided on CE models. To operate the
Powermax1250, use a plug that meets national or local electrical codes. The plug must be
connected to the power cord by a licensed electrician.
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