AICO PROFESSIONAL MMA-250 INVERTER WELDING MACHINE

Electrical & Power Specs

• Input Voltage: AC $220\text{V} – 240\text{V} \pm 15\%$, Single Phase

• Frequency: $50/60\text{ Hz}$

• Input Power Capacity: Approximately $8\text{ – }9\text{ kVA}$

• Current Output Range: $20\text{A} – 250\text{A}$ (fully adjustable via a front-facing stepless dial)

• Duty Cycle: 60% at 250A (allows for 6 minutes of continuous maximum-amperage welding out of a 10-minute cycle; can run continuously at lower amperages)

• No-Load Voltage ($U_0$): $\sim 60\text{V} – 70\text{V}$ (engineered for swift, effortless arc strike and anti-stick performance)

• Efficiency Rating: $\ge 85\%$

• Power Factor: 0.93

Welding Capabilities & Application

• Welding Process: MMA (Manual Metal Arc) / Shielded Metal Arc Welding (SMAW) / Stick Welding.

• Supported Electrode Sizes: Runs welding rods from 1.6mm up to 5.0mm thickness (most commonly handles 2.5mm, 3.2mm, and 4.0mm variants).

• Material Suitability: Highly effective for achieving strong, deep penetration on mild steel, stainless steel, carbon steel, and cast iron—even on rusted or painted metals.

• Common Use Cases: Ideal for structural steel framework, gates and grills fabrication, general automotive repairs, agricultural machinery maintenance, and on-site construction.

Interface & Built-In Safety

• Digital LED Panel: Front dashboard includes a bright digital meter displaying real-time current settings for precision heat management.

• Advanced Protection Core: Equipped with internal automatic sensors to mitigate risks from over-voltage, over-current, and thermal overload (overheating).

• Multi-Air Duct Cooling: A heavy-duty, built-in internal cooling fan matched with an optimized air duct design for rapid heat dissipation.

• Enclosure Protection: Built within an impact-resistant steel housing, typically rated at IP21 protection for reliable outdoor workshop utility.

Physical Attributes & Included Accessories

• Weight: $\sim 6\text{ to }8\text{ kg}$ (highly portable under-10kg footprint making it easy to haul for mobile field work).

• Handling: Outfitted with a non-slip, molded top handle.

• Standard Out-of-the-Box Kit:

  • 1 x MMA-250 Inverter Welding Machine

  • Heavy-duty electrode holder clamp and cable

  • Earth ground clamp and cable

  • Basic handheld welding face shield

  • Slag wire brush/chipping hammer