MMA-250D
A compact inverter welder built with mature IGBT inverter technology, 220V / 380V dual voltage input, and 4.0 mm electrode diameter compatibility for maintenance work, fabrication workshops, installation projects, and general steel welding.
Classified as an inverter type welder with dual voltage input and 4.0 mm electrode diameter compatibility. The IGBT inverter platform supports compact size, practical energy efficiency, and dependable daily welding performance.
MMA-250D Technical Specifications
Classification and core technical data for the MMA-250D inverter type (IGBT inverter) DC arc welding machine.
| Parameter | MMA-250D |
|---|---|
| Technology | Inverter type (IGBT inverter) |
| Product Type | Inverter DC Arc Welding Machine |
| Input Power | 220V / 380V |
| Input Configuration | Dual voltage input |
| Electrode Diameter Compatibility | 4.0 mm electrode |
| Supply Voltage | 220V/380V ±10% (Dual voltage input) |
| Rated Frequency | 50/60 Hz |
| Rated Supply Energy | 12.7 KVA |
| No-Load Voltage | 72 V |
| Current Range | 30-240 A |
| Duty Cycle | 35% |
| Exterior Dimensions (L×W×H) | 376×202×336 mm |
| Weight | 10.4 kg |
| Certification | CE |
| Compliance | LVD 2014/35/EU, EMC 2014/30/EU |
Portable inverter efficiency, stable arc performance, and flexible dual-voltage deployment.
MMA-250D belongs to the inverter type (IGBT inverter) range and combines dual voltage input, compact construction, and stable arc output for maintenance work, fabrication workshops, installation projects, and general steel welding.
Mature IGBT inverter design with fast dynamic response
The inverter platform uses mature IGBT technology to deliver fast response, stable output, and practical reliability for everyday stick welding work.
Stable arc performance with low spatter
Advanced IGBT power components help maintain a stable arc, cleaner weld formation, and lower spatter during regular workshop and site operation.
High-frequency inverter operation for lower no-load loss
High-frequency inverter control helps reduce no-load loss and supports more energy-efficient welding compared with traditional transformer type welders.
Compact lightweight body for mobile use
Compact overall dimensions and practical weight make MMA-250D easier to carry, position, and deploy for repair, fabrication, and installation work.
Standardized product classification
- Technology: Inverter type (IGBT inverter)
- Input power: 220V / 380V
- Input configuration: Dual voltage input
- Electrode diameter compatibility: 4.0 mm electrode
- Product type: Inverter DC Arc Welding Machine
Built-in protection for daily operation
Integrated overheat and overcurrent protection help extend service life and improve operating confidence during continuous site work and workshop use.
Configured for repair, fabrication, and general steel work
- Suitable for medium-low carbon steel and cast iron
- Used in maintenance work, fabrication workshops, and installation projects
- Practical for hardware, decoration, and agricultural machinery repair
- Well suited to general steel welding in mixed power environments
Select mini inverter, portable MMA, industrial DC stick, or transformer and SCR arc welders by input supply, duty cycle, and job demand.
This arc-welding lineup covers compact ARC mini inverters, standard MMA inverter models, high-output IGBT and SiC industrial power sources, SCR heavy-duty DC machines, and BX1 or transformer T-series AC welders for structural steel, repair work, and workshop production.
Compact stick welders for repair, installation, maintenance, and lighter workshop fabrication
- ARC120, ARC140, ARC160, and ARC180 cover portable DC inverter arc welding for mobile service and everyday repair work.
- MMA 3.2, MMA 4.0, MMA 5.0, MMA 160, and MMA-160H extend portable MMA coverage for general electrode welding tasks.
- Choose this group when easy transport, simple setup, and routine stick-welding flexibility matter most.
Inverter and SiC platforms for wider supply flexibility, higher output, and longer-duty welding
- MMA-160D, MMA 200, MMA-200D, MMA 250 1-PH, MMA 250 3-PH, and MMA-250D serve workshop and site welding with broader output and input options.
- MMA-400IGBT, MMA-500IGBT, MMA-630IGBT, MMA-400SiC, and MMA-500SiC support heavier DC arc welding for fabrication, production, and industrial work.
- Select this group when higher current reserve, longer duty performance, or generator-friendly industrial inverter capability is required.
Conventional heavy-duty machines for structural steel, thicker sections, and large-workshop applications
- BX1-400, BX1-500, BX1-630, MMA-400T, MMA-500T, and MMA-630T represent transformer AC arc welding for durable heavy fabrication use.
- MMA-500SCR and MMA-630SCR add higher-output SCR-controlled DC arc welding for demanding industrial steel applications.
- These models fit buyers who prioritize robust machine construction, stable high-current output, and conventional heavy-duty workshop layouts.
Verify package scope and application suitability before order confirmation.
Published specifications, standard delivery scope, and accessory ratings are for reference only and may change without notice. Included electrode holders, work clamps, welding leads, input cables or plugs, shoulder straps, remote controls, Dinse-style connectors, and other accessories may vary by model, package, and destination market. Before supply, confirm the required arc-welding process, AC or DC output type, input power, output current, duty cycle, supported electrode size, cable length, and applicable local compliance requirements for the intended application.
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