GB ZX7 250 Welding Machine – Professional Portable ARC Inverter Welder
The GB ZX7 250 Welding Machine is a powerful 250A MMA (Manual Metal Arc) inverter welding machine designed for fabrication workshops, construction sites, maintenance work, agricultural repairs, and general engineering applications. Built with advanced IGBT inverter technology, it delivers excellent arc stability, fast arc ignition, low spatter, and energy-efficient operation, ensuring smooth and reliable welding performance.
Operating on a 230V single-phase power supply, the GB ZX7 250 provides an adjustable welding current from 30A to 250A, making it suitable for welding mild steel, carbon steel, stainless steel, and alloy steel using various coated electrodes. Its compact and lightweight design, combined with VRD safety protection and Arc Force control, makes it an excellent choice for both workshop and on-site welding.
Features:
- Brand: GB
- Model: ZX7 250
- Product Type: MMA ARC Inverter Welding Machine
- Technology: Advanced IGBT Inverter Technology
- Input Voltage: 230V AC, Single Phase
- Frequency: 50/60Hz
- Output Current Range: 30–250A
- Maximum Output Current: 250A
- VRD (Voltage Reduction Device)
- Arc Force Control
- Easy Arc Start
- Stable Welding Arc
- Low Spatter Welding
- Compact & Lightweight Design
- Digital Current Display
- Energy-Efficient Performance
- Forced Air Cooling
- Over-Voltage, Over-Current & Overheat Protection
- Suitable for Continuous Workshop & Field Welding
Specifications:
- Input Voltage: 230V AC, Single Phase
- Rated Input Capacity: 9.2kVA
- Rated Input Current: 14A
- Output Current: 30–250A
- No Load Voltage: 60V
- 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














