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A. The 69939 supports ARC/MMA stick welding. Output spans 70-180A across all modes. Suitable for mild steel.
A. The 69939 requires a 230V supply. If you are unsure whether your supply is adequate, consult a qualified electrician before installation.
A. The 69939 has a duty cycle of 10% @180A / 60% @73A. Duty cycle is measured over a 10-minute period — a 60% duty cycle means 6 minutes of continuous welding followed by a 4-minute cool-down. Operating at lower amperages increases available run time.
A. The 69939 is supplied with Electrode holder, 200A, Earth clamp, 300A, Chipping hammer/wire brush, Face mask. Additional consumables are available separately through PartsForMachines.com.
A. The 69939 weighs 17.5kg and includes a carry handle for transport between locations. It can be moved by a single person and is suited to workshop use.
A. The 69939 is primarily suited to mild steel.
A. Yes. The 69939 is fitted with automatic thermal overload protection that cuts output if the machine exceeds safe operating temperature. It will restart automatically once it has cooled. Operating within the rated duty cycle minimises the frequency of thermal interruptions.
A. The 69939 is primarily designed for workshop use. For outdoor or site use, protect the machine from rain and dust. IP21S rating provides limited splash resistance but not weatherproofing.
A. Match electrode diameter to material thickness and the machine's output range. As a guide: 1.6 mm electrodes suit sheet up to ~2 mm; 2.5 mm for 3–5 mm plate; 3.2 mm for 5–8 mm; 4.0 mm for 8 mm and above. Start at the lower amperage end of the electrode's range and increase until the arc runs smoothly.
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