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**Product Specifications:**
- **Model No.:** ZX7-315A
- **Current Type:** Inverter Current
- **Certification:** CE
- **HS Code:** 8515390000
- **Type:** Arc Welders
- **Brand:** K. Lida
- **Origin:** Zhejiang, China
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**Product Categories and Keywords:**
TIG Welding Machine, MMA Welding Machine, MIG Welding Machine, Inverter Welding Machine, Portable Welding Machine, DC Inverter Welder, AC/DC Welding Machine, Digital Inverter Welding Machine, Arc Welding Equipment, TIG Welding Equipment, Automatic Welding Machine, Gas Welding Machine, IGBT Inverter Welder, Solar Welding Machine, Orbital Welding Machine, Plasma Cutter, CNC Welding Machine, Submerged Arc Welding Machine, Laser Spot Welding Machine, CO2 Welder, Aluminum Welding Machine, Welding Accessories, Welding Torch, Earth Clamp, Electrode Holder, Welding Mask, Brush.
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**Performance Characteristics:**
1. Superior control panel design for easy operation.
2. Digital display with precise current adjustment (1A step).
3. Adjustable arc current for better arc stability and performance.
4. Adjustable thrust current for improved welding quality.
5. Comprehensive safety features including temperature protection, overcurrent protection, short circuit protection, and phase loss indication.
6. High-quality key components designed for long-lasting durability.
7. Compact and lightweight, ideal for mobile or on-site use.
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**Features and Applications:**
This inverter welding machine raises the frequency from standard 50/60Hz to high-frequency levels (e.g., 50kHz), allowing for more efficient power conversion. By reducing voltage and using PWM technology, it delivers a powerful DC output while significantly reducing the size and weight of the main transformer. This results in an efficiency increase of over 30%.
Key features include:
- Auto-compensation against power fluctuations for stable welding output.
- Over-voltage and over-current protection for enhanced safety.
- Strong arc force for consistent and reliable welding performance.
- Compact and lightweight design with high efficiency.
- Suitable for welding both basic and acidic electrodes, ideal for low carbon steel, medium carbon steel, and alloy steel.
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**Technical Parameters:**
- **Type:** IGBT / ZX7-250A
- **Rated Input Voltage/Frequency:** Three-phase 220/380V ±15%, 50/60Hz
- **Rated Input Current (A):** 30–315A
- **Output Voltage (V):** 67V
- **Rated Duty Cycle (%):** 60%
- **No-load Voltage (V):** 67V
- **Output Current Range (A):** 30–250A
- **Efficiency:** 85%
- **Power Factor:** 0.93
- **Shell Protection Grade:** IP21S
- **Insulation Class:** F
- **Overall Dimensions (mm):** 350 × 150 × 235
- **Weight (kg):** 5.6
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**Main Markets:**
Europe, South America, Southeast Asia, Middle East, North America.
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**Accessories Included:**
Welding torch, earth clamp, electrode holder, welding mask, and brush.
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**Certifications:**
CE, ROHS, GS, ISO9001.
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This inverter welding machine is ideal for both professional and DIY users who require a reliable, efficient, and portable solution for various welding applications. Its advanced technology and user-friendly design make it a top choice in the welding industry. Whether you're working on small projects or large-scale industrial tasks, this machine offers excellent performance and versatility.