HELVI UNISTAR 528 MIG/MAG Welding Machine

The HELVI UNISTAR 528 is a powerful, three-phase MIG/MAG welding machine designed for demanding industrial applications. Equipped with advanced thyristor voltage control and a separate 4-roll wire feed unit, it ensures exceptional welding performance with precise arc control. This unit is perfect for heavy-duty fabrication, manufacturing, and large-scale welding projects.

• Thyristor Voltage Control – Provides stable and precise voltage regulation for optimal weld quality.
• 4-Roll Separate Wire Feed Unit – Ensures consistent and smooth wire feeding for reliable welding results.
• Complete Welding Accessories – Includes a 5m interconnecting cable, Euro/Binzel connection, pressure regulator, gas hose, earth cable, and clamp.
• Welding Current & Arc Voltage Display – Enables real-time monitoring for precision welding.
• Versatile Wire Spool Compatibility – Accepts 5 to 15 kg spools for extended welding operations.
• Cooling System Options – Available with air or water cooling (R.A. = water-cooled optional).
• Heavy-Duty Design on Wheels – Built for mobility and durability in industrial environments.

• Input Voltage: 3Ph/230-400V/50-60Hz
• Power at 60% Duty Cycle: 25 KVA
• No-Load Output Voltage: 16 ÷ 48 V
• Current Range: 70 ÷ 500 A
• Duty Cycle:
  • 500A @ 60%
  • 400A @ 100%
• Compatible Welding Wires:
  • Steel: 0.8 - 2 mm
  • Stainless Steel: 0.8 - 1.6 mm
  • Aluminum: 0.8 - 2 mm
• Insulation Class: H
• Protection Degree: IP23S
• Weight: 201 kg

The HELVI UNISTAR 528 is the ideal choice for welding professionals who require precision, power, and efficiency for intensive industrial applications. Its advanced control features and high-duty cycle make it a reliable workhorse for large-scale welding projects.