Lincoln Electric CLASSIC III SVM 137-A - Manual (Page 18)

WELDING CAPABILITY
The Classic III and Classic IIID are rated 300 amps, 32
volts constant current DC at 50% duty cycle based on
a ten minute time period. Longer duty cycles at lower
output currents are possible.
The current is continuously variable from 40 to 350
amps DC.
LIMITATIONS
The Classic III and Classic IIID are not recommended
for any processes besides those that are normally per-
formed using DC stick welding (SMAW) and DC TIG
welding.
Specific limitations on using the Classic III
and Classic IIID for these processes are described in
the
Welding Operation section of this manual.
Constant voltage welding is available with the optional
Wire Feed Module.
OPERATION
B-4 B-4
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