GB ZX7 300 L Welding Machine – Heavy-Duty Portable ARC Inverter Welder

The GB ZX7 300 L Welding Machine is a high-performance 300A MMA (Manual Metal Arc) inverter welding machine designed for professional fabrication, construction, maintenance, and industrial applications. Built with advanced IGBT inverter technology, it delivers excellent arc stability, easy arc ignition, low spatter, and high energy efficiency for smooth and reliable welding performance.

Operating on a 230V single-phase AC power supply, the GB ZX7 300 L provides an adjustable welding current from 20A to 300A, making it suitable for welding mild steel, carbon steel, stainless steel, and low-alloy steel. Its compact design, digital display, VRD safety function, and Arc Force control make it ideal for both workshop and on-site welding jobs.

Features:

Brand: GB
Model: ZX7 300 L
Product Type: MMA ARC Inverter Welding Machine
Technology: Advanced IGBT Inverter Technology
Input Voltage: 230V AC, Single Phase
Frequency: 50/60Hz
Output Current Range: 20–300A
Maximum Output Current: 300A
Digital Current Display
VRD (Voltage Reduction Device)
Arc Force Control
Hot Start Function
Easy Arc Ignition
Stable Arc with Low Spatter
Compact & Lightweight Design
High Power Saving Efficiency
Forced Air Cooling
Over-Voltage, Over-Current & Thermal Protection
Suitable for Continuous Workshop & Site Welding

Specifications:

Input Voltage: 230V AC, Single Phase
Input Power Capacity: 8.9kVA
Rated Input Current: 36A
Output Current: 20–300A
No Load Voltage: 56V
Duty Cycle: 60%
Efficiency: 85%
Power Factor: 0.93
Electrode Diameter: 2.5–4.0mm
Protection Class: IP21
Insulation Class: F
Dimensions: 450 × 160 × 303mm

GB Kore ZX7 300 L Welding Machine | 300A Single Phase IGBT MMA ARC Inverter Welder

Have a question?