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Created on 05.24
ZX7-255G Pulse MMA Welding Machine Dual Voltage 220V/380V Portable IGBT Welder
ZX7-255G is a lightweight portable pulse MMA welding machine designed for household and field industrial welding scenarios. Adopting advanced IGBT single-tube multi-board main circuit design, the machine realizes small size with strong power output. It supports universal dual voltage of 220V single-phase, 380V single-phase and 380V three-phase power supply, perfectly adapting to different power environments. With stable current output, excellent arc resistance and full-range high-speed heat dissipation system, it delivers deep welding penetration, neat weld seam and high working efficiency. Super compact and ultra-light design makes it the best choice for mobile operation, high-altitude construction and daily maintenance welding.
Core Technical Features
- Advanced IGBT Single-tube Design: Multi-board circuit structure, safe, stable, and reliable, ensuring long-term stable operation.
- Universal Dual Voltage Compatibility: Freely compatible with 220V single-phase, 380V single-phase, and 380V three-phase power supply, no need to modify the machine for different working sites.
- Full Protection System: Built-in overheating, over-current, over-voltage, and under-voltage multi-protection functions, effectively avoid machine damage and ensure operation safety.
- Efficient Heat Dissipation: Full-duct high-speed fan design, rapid heat circulation, effectively reduce temperature rise and extend equipment service life.
- Excellent Welding Performance: Stable current output, strong arc resistance, deep welding penetration, bright and easy-to-clean welding slag, greatly improve welding efficiency.
- Humanized Display Function: One-key preheating display and working hour recording function, convenient for working status observation and equipment management.
- Ultra-portable Design: Mini body and light weight, easy to carry and move, suitable for high-altitude operation and mobile field welding.
Technical Parameters
Parameter Item | ZX7-255G Specification |
Input Power Voltage | 220V / 380V Universal |
Rated Input Power | 4.5KVA |
No-load Voltage | 70V-80V |
Output No-load Voltage | 20V-25.6V |
Output Current Range | 20A-140A |
Insulation Grade | F |
IP Protection Class | IP21S |
Rated Duty Cycle | 60% |
Net Weight | 3.45KG |
Dimensions | 245*162*355mm |
Applicable Electrode Size | Φ1.6mm – Φ3.2mm |
Cooling Method | Air Cooling |
Output Type | DC Output |
Core Functions | Portable, Temperature Control, Multi-safety Protection |
Application Scope
- This ZX7-255G pulse MMA welding machine is widely applicable for welding carbon steel, alloy steel and common metal materials. It is perfect for home maintenance, factory equipment repair, outdoor field construction, high-altitude operation and small-scale steel structure welding, covering most daily and light industrial welding needs.
Installation & Usage Precautions
- Power Cable Specification: Input power cable: 2.5mm²
- Welding Cable Specification: Output cable: 16-25mm²
- Matching Switch: 40A power distribution switch
- Working Ambient Temperature: -10℃ ~ +40℃
- Safety Notice: Correctly connect the ground wire and power cable before starting the machine to ensure safe operation
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