Essential details
Package Description:Cardboard box
Product Introduction
New generation of Maxtesa MMA inverter welding machines (manual and semi-automatic type)
The Maxtesa MMA line of inverter and semi-automatic welding machines is developed based on modern IGBT power module technology, equipped with an optimized ventilation cooling system, has a stylish industrial housing, and depending on the modification, supports different welding modes.
Strict quality control is carried out at all stages of production, and all main components and welding characteristics of the finished equipment undergo comprehensive testing. Key components are purchased from certified manufacturers in China and Japan, which guarantees high basic reliability of the product.
Maxtesa MMA140 is a compact inverter MMA welding machine for domestic use, combining practicality and reliability. It is suitable for both home repairs and small professional tasks, characterized by clear functionality and ease of operation, and easily handles most common welding operations.
The device is lightweight and has a folding handle for carrying, convenient for transportation and storage, ideal for home welding and repair. Equipped with a digital display and a smooth current regulator, it provides precise adjustment and constant control of welding current, ensuring comfortable operation even for beginner welders.
Built-in hot start function improves the reliability of welding arc ignition and enhances the quality of weld initiation. A dual system for protection against electrode sticking and overheating prevents breakdowns and damage to internal components. The equipment is adapted to standard household mains voltage, has low power consumption, and is designed for long-term stable operation.
The printed circuit boards inside the housing are treated with a special protective compound against moisture and dust. The optimized design with vertical board mounting and an efficient three-dimensional air duct system significantly improves heat dissipation, maintains stable output parameters, and increases the operational lifespan of the device.
Product advantages
- Modern IGBT power modules: high efficiency, stable reliable operation
- Digital display for visual monitoring of welding current values
- Stepless current adjustment for different welding conditions
- Dual protection: automatic shutdown for overheating and overcurrent
- Adaptation to network voltage surges, stable current output with unstable power supply
- Easy arc ignition, minimal electrode sticking, simple control mastery
- Thoughtful cooling system with large air ducts, excellent heat dissipation
- Smooth stable output current and continuous arc, stable weld seam quality
Package contents
Welding machine, electrode holder with 1.8 m cable, ground clamp with 1.2 m cable, operating manual, cardboard packaging.
Application area
Manual arc welding MMA with any fusible coated electrodes.
*The appearance of the product and the packaging may be adjusted depending on the production batch.
Model | MMA140 |
| Power supply voltage, V | 220-230 |
| Frequency, Hz | 50 |
| Electrode diameter (MMA), mm | 1.6 - 3.2 |
Maximum MMA welding current, A | 140 |
MMA welding current adjustment range, A | 20-140 |
No-load voltage, V | 75±5 |
MMA operating voltage, V | 10.4-25.6 |
Duty Cycle (40 °C) | 70% |
Efficiency, % | 80% |
| Protection class, IP | IP21 |
Insulation class | H |
Power, W | 4600 |
Electrode anti-stick function (Anti-Stick) | yes |
Hot Start function | yes |
Adjustable Arc Force | yes |
Set of basic elements | IGBT |
Power Type | inverter |
Package dimensions, mm | 330x140x184 |
| Weight, kg | 4.15 |