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 |
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Box 14 | Energy input symbol e.g.: | ||
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| Input supply, number of phases (e.g. l or 3), symbol for |
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| alternating current |
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| and the rated frequency (e.g. 50 Hz or 60 Hz) |
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| Engine |
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| Motor |
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| Belt drive |
Box 22 | IP.. | Degree of protection, e.g. IP21 or IP23. | ||
Box 23 |
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| Symbol for protection class II, if applicable. |
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