Arc welding machine Fieldmann FDIS 20140-E, 20–140 A, 6.1 kVA, 230 V, 50 Hz

Fieldmann FDIS 20140-E is an arc inverter welder for manual MMA welding, designed for a 230 V, 50 Hz supply and a power consumption of 6.1 kVA. The unit delivers an operating current range of 20–140 A with continuously adjustable output, supporting electrodes starting from 1.6 mm diameter and up to a practical maximum electrode diameter of 3.2 mm. The package includes a welding shield, welding cable and grounding cable. The inverter design provides stable arc behaviour suitable for welding steel, stainless steel, galvanized surfaces and alloyed metals in light workshop, maintenance and construction settings.

Advantages

The Fieldmann FDIS 20140-E combines compact inverter technology with a wide current range and continuous current regulation to allow controlled starts and consistent arc performance. Its compatibility with common steel, cast iron and basic rod electrodes makes it versatile for different consumables. Supplied accessories reduce the need for immediate additional purchases, and the portable form factor supports easy transport and use at various sites. The machine’s electrical characteristics make it suitable for connection to standard single-phase mains.

Suitable for

• Light workshop welding and fabrication
• DIY metal repairs and home projects
• Maintenance and repair tasks on steel, stainless steel and galvanized parts
• On-site construction tasks requiring a portable welder

Key specifications

• Operating current range: 20–140 A with continuous regulation
• Maximum welding current: 140 A
• Supported electrode diameters: from 1.6 mm up to about 3.2 mm
• Supply voltage and frequency: 230 V, 50 Hz single-phase
• Power consumption: 6.1 kVA
• Inverter-based MMA (stick) welding technology
• Suitable for steel, stainless steel, galvanized metal and alloyed materials
• Included accessories: welding shield, welding cable, grounding cable

How to use

Connect the machine to a 230 V, 50 Hz single-phase power outlet and ensure correct earthing. Fit a compatible electrode into the electrode holder and attach the grounding cable to a clean, unpainted metal surface near the weld. Set the welding current within the 20–140 A range according to electrode diameter and material thickness, and strike the arc following standard MMA welding technique. Maintain proper safety procedures including wearing the supplied welding shield and appropriate protective clothing. Allow cooling intervals when performing longer welds and follow electrode manufacturer guidance for optimal results.

Usage recommendations

Use electrodes matched to the selected current and material; for thin sheets select lower currents and smaller diameter rods, while thicker sections require higher current and larger electrodes. Keep contact surfaces clean and free of rust, paint or oil to ensure sound welds. For prolonged or heavy-duty use, monitor duty cycle and allow the inverter to cool to prevent overheating. Store consumables and the unit in a dry environment when not in use.