GB ZX7 300 Welding Machine – Professional Portable ARC Inverter Welding Machine

The GB ZX7 300 Welding Machine is a powerful 300A MMA (Manual Metal Arc) inverter welding machine designed for fabrication workshops, construction sites, maintenance work, agricultural equipment repair, and industrial applications. Built with advanced IGBT inverter technology, it delivers stable arc performance, easy arc ignition, reduced spatter, and excellent power efficiency for smooth and reliable welding.

Operating on a 230V single-phase AC power supply, the GB ZX7 300 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 and lightweight design, combined with VRD safety, Hot Start, and Arc Force functions, makes it ideal for both workshop and field welding.

Features:

Brand: GB
Model: ZX7 300
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)
Hot Start Function
Arc Force Control
Easy Arc Ignition
Stable Arc with Low Spatter
Compact & Lightweight Design
Energy-Efficient Performance
Forced Air Cooling
Over-Voltage, Over-Current & Thermal Protection
Suitable for Continuous Workshop & Site Welding

Specifications:

Input Voltage: 230V AC, Single Phase
Rated Input 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 Welding Machine | 300A Single Phase IGBT MMA ARC Inverter Welder

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