ZX7 Series IGBT Manual Arc (MMA) Welding Machine – Compact High-Energy Inverter Welder (ZX7-250 / ZX7-315 / ZX7-400 / ZX7-1250)

ZX7 Series IGBT Manual Arc (MMA) Welding Machine

The ZX7 series is a range of professional IGBT inverter manual metal arc (MMA/stick) welding machines designed for structural steel fabrication, bridge construction, heavy industrial welding, and demanding site applications. Compact and high-energy, the ZX7 series delivers stable arc performance across a wide range of electrode sizes and materials. The ZX7-1250 is a heavy-duty industrial model proven in China Railway and bridge construction projects.

Model Options

• ZX7-250 – 250A output. Suitable for general fabrication, maintenance welding, and light structural work. Compact and portable.
• ZX7-315 – 315A output. Mid-range model for heavier structural steel, pipeline, and industrial fabrication.
• ZX7-400 – 400A output. Heavy-duty model for thick plate, structural steel, and continuous industrial welding.
• ZX7-1250 – 1250A output. Industrial-grade heavy-duty model for bridge construction, railway infrastructure, and large-scale structural welding projects.

Key Features

• ✅ IGBT inverter technology for stable arc, energy efficiency, and compact size
• ✅ Manual metal arc (MMA/stick) welding process
• ✅ High energy output with compact footprint
• ✅ Suitable for a wide range of electrodes and materials
• ✅ Proven in demanding infrastructure applications including railway and bridge construction
• ✅ Four output models: 250A, 315A, 400A, and 1250A

Ideal For

• Structural steel fabrication and construction
• Bridge and railway infrastructure welding
• Heavy industrial manufacturing and maintenance
• Pipeline and pressure vessel welding
• General workshop and site welding

What's in the Box

• 1x ZX7 Series IGBT MMA Welding Machine (model as selected)

Ensure adequate power supply capacity before connecting, particularly for the ZX7-1250 industrial model. Contact us to confirm electrode compatibility, duty cycle, and power requirements for your application.