MMA300ST
One Welder. Two Voltages. Every Job Done Right.
Technical Specifications
| Input Voltage | 230V ±10% / 415V ±10% |
| Output Current | 20A - 200A |
| Duty Cycle | 60% @ 200A |
| Electrode Size | 1.6 - 4.0mm |
| Cooling | Dual Ball Bearing Fan |
| Protection | Overheat, Overcurrent |
| Weight | ~5.8kg |
| Dimensions | 280 x 120 x 220mm |
Key Features
- Dual voltage compatibility for global use (230V/415V)
- Advanced IGBT inverter technology for stable arc
- Built-in Hot Start, Anti-Stick, Arc Force functions
- Portable and compact design with easy-carry handle
- Rugged housing for harsh environments
Applications
Quick Facts
| Model | MMA300ST |
| Input Voltage | 230V ±10% / 415V ±10% |
| Output Current | 20A - 200A |
| Duty Cycle | 60% @ 200A |
| Weight | ~5.8kg |
| Application | Steel Fabrication |
| OEM Available | Yes (MOQ 50 units) |
Detailed Description
A versatile dual-voltage arc welder that adapts seamlessly to any power environment — from residential 230V outlets to industrial 415V three-phase supplies.
Built with advanced IGBT inverter technology for a stable, smooth arc across the full 20–200A range. The compact 5.8kg body with integrated carry handle makes transportation effortless.
Smart features like Hot Start, Anti-Stick, and Arc Force give both beginners and professionals the confidence to tackle any welding task.
Frequently Asked Questions
The MMA300ST supports 230V ±10% / 415V ±10%. This makes it suitable for various countries and power supply conditions.
The MMA300ST delivers 20A - 200A. This range provides flexibility for different welding/cutting requirements.
The MMA300ST has a duty cycle of 60% @ 200A. This means it can operate continuously at the rated current for the specified time before requiring cooling.
The MMA300ST is compatible with electrodes from 1.6 - 4.0mm. This covers most common welding applications.
The MMA300ST weighs approximately ~5.8kg, making it highly portable and easy to transport between job sites.
Yes, the MMA300ST is generator-friendly thanks to its dual voltage compatibility and IGBT inverter technology. It can operate reliably on generator power, which is ideal for field work and remote locations.
Yes, the MMA300ST features advanced IGBT inverter technology. This ensures stable arc performance, energy efficiency, and longer service life compared to traditional MOSFET-based machines.
Yes, the MMA300ST includes built-in Hot Start function. This provides additional current at the start of welding to help strike the arc easily, especially useful for beginners and with difficult-to-start electrodes.
Our standard MOQ is 10 units for the MMA300ST. For OEM/private label orders with custom branding, MOQ is 50 units. Contact us for detailed pricing and terms.
Standard delivery time is 7-15 days for in-stock models. For OEM orders with custom packaging or branding, delivery is 20-30 days. We ship from Qingdao Port, China.
We offer 2 years warranty for the MMA300ST. Spare parts and technical support are provided throughout the warranty period. We also maintain spare parts inventory for post-warranty service.
Related Products
MMA400ST
Power Up to 300A. Weld Heavy. Weld Anywhere.
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