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1. Utilizes inverter technology with IGBT dual modules to save energy and improve efficiency.
2. Transformers and reactors are all made with copper wire for better performance and durability.
3. The actual input current meets the specified value, ensuring consistent performance.
4. Compact design, lightweight, high reliability, and excellent welding results.
5. All products can be customized for OEM branding.
6. Warranty: One year on the whole unit and PCB board, plus 4% of the total value in spare parts for maintenance.
Features:
1. Uses soft-switching technology for higher efficiency and lower power consumption.
2. Automatic protection against overcurrent, overheating, and voltage fluctuations.
3. Stable arc, quiet molten pool, and fine weld seams for superior quality.
4. Small size and lightweight for easy handling and mobility.
5. Equipped with adjustable switches for arc ignition and pushing current, improving welding performance and preventing electrode sticking.
6. Compatible with a wide range of welding electrodes up to 5.0mm in diameter.
7. Optional remote control box available for easier operation.
8. Operates efficiently even with ±20% voltage fluctuations.
Technical Parameters:
    Contents
ZX7-500
Power Supply
3-phase 380V 50Hz
Rated Input Power
23.7KVA
Rated Input Current
36A
Rated Welding Current/Voltage
500A/40V
Welding Current
500A @ 60% DE
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400A @ 100% DE
No-Load Voltage
70-80V
Current Adjustment Range
20-500A
Efficiency
≥85%
Weight
40Kg
Insulation Class
F
Protection Class
IP21S
Company Description:
Sichuan Morrow Welding Development Co., Ltd. (MORROW WELDING) is a high-tech enterprise specializing in research, development, production, and sales of IGBT-based inverter welding equipment.
We have established the Morrow Inverter Power Research Institute, focusing on advanced research, development, and regeneration of inverter welding machines.
We are capable of developing and manufacturing specialized products tailored to meet the unique requirements of different customers.
All our products are manufactured in accordance with the ISO9001:2000 quality management system and have obtained the "CCC" certification.
With a business philosophy centered on "Quality First, Performance First, and Service First," we strive to provide the best welding solutions for both domestic and international clients. 
Inverter IGBT MMA Welding Machine (MMA-500A)
Model NO.: ZX7-500
HS Code: 8515390000
Product Description: