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Column a)
need not be used if the duty cycle (duty factor) for the rated maximum welding
current is 60 % or 100 %.
Column b)
need not be used if the duty cycle (duty factor) at the rated maximum welding current is 100 %.
c) Energy input
Box 14
Energy input symbol e.g.:
Box 22
IP..
Degree of protection, e.g. IP21 or IP23.
Box 23
Symbol for protection class II, if applicable.
Input supply, number of phases (e.g. l or 3), symbol for alternating current
and the rated frequency (e.g. 50 Hz or 60 Hz)
Engine
Motor
Belt drive
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