Makita MMA-400 Portable IGBT Inverter Welding Machine
KSh8,500.00
| Feature | Specification Details |
| Full Product Name | Makita MMA-400 Portable IGBT Inverter ARC Welding Machine (Model: RAC-400 / MK MMA-400) |
| Welding Process | MMA (Manual Metal Arc) / Stick Welding |
| Current Output Range | 20A to 400A (Stepless adjustable knob with digital LED readout) |
| Input Voltage | 220V–240V AC (Single Phase, 50/60Hz) |
| Input Power Capacity | 8.7 KVA |
| Usable Electrode Sizes | 1.6 mm to 5.0 mm rods (Handles standard 6013 and 7018 rods cleanly) |
| Insulation & Protection | Class F Insulation, IP21 Housing Grade |
| Cooling System | Internal forced-air fan cooling |
| Net Weight | ~11 lbs (5.0 kg) — highly portable compared to old transformer units |
The Makita MMA-400 Portable IGBT Inverter Welding Machine is an incredibly popular, lightweight DC arc welder designed for light-to-medium fabrication, repairs, and DIY workshop use.
(Note: While branded as Makita in various global retail markets, this is a specialized aftermarket inverter tool line utilizing modern IGBT transistor technology to achieve an ultra-portable footprint.)
Technical Specifications
| Feature | Specification Details |
| Full Product Name | Makita MMA-400 Portable IGBT Inverter ARC Welding Machine (Model: RAC-400 / MK MMA-400) |
| Welding Process | MMA (Manual Metal Arc) / Stick Welding |
| Current Output Range | 20A to 400A (Stepless adjustable knob with digital LED readout) |
| Input Voltage | 220V–240V AC (Single Phase, 50/60Hz) |
| Input Power Capacity | 8.7 KVA |
| Usable Electrode Sizes | 1.6 mm to 5.0 mm rods (Handles standard 6013 and 7018 rods cleanly) |
| Insulation & Protection | Class F Insulation, IP21 Housing Grade |
| Cooling System | Internal forced-air fan cooling |
| Net Weight | ~11 lbs (5.0 kg) — highly portable compared to old transformer units |
Key Performance Features
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IGBT Inverter Technology: Upgrades the primary power frequency up into the kilohertz range. This delivers an exceptionally smooth, stable arc, lowers power consumption, and reduces the overall machine footprint to a handheld size.
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Anti-Stick & Smart Protection: Built-in circuitry cuts down the current if your welding rod accidentally fuses directly to the metal sheet. This prevents the electrode holder from overheating and makes it significantly easier to break the rod free.
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Multi-Metal Capability: Primarily engineered for carbon steel and structural ironworks, but can easily weld stainless steel and specialized alloys if paired with the correct corresponding electrode rod.
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Safety Overload Tripping: Features internal thermal sensors that trigger an automatic shutdown if the unit breaches safe temperature limits or encounters high voltage surges.
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