Btmax/Mkt Mma-300 Welding Machine, 300A DC Inverter

The BTMAX/MKT MMA-300 is a powerful, portable DC inverter stick welder for workshops, fabrication jobs and site repairs. IGBT inverter technology gives a smooth, stable arc and clean welds, and it runs on standard 220V power. It comes with an electrode holder, earth clamp and face shield, so you can start welding as soon as it’s unboxed.

Key Features & Benefits

• IGBT inverter technology: Delivers a stable, smooth arc with less spatter, so your welds look cleaner and finish faster.
• Wide current range of 20–250A: Weld thin sheet metal at low settings and thicker steel at high settings with one machine.
• Runs on 220V AC: Works on standard single-phase power, with no special setup needed.
• Handles 2.5–3.2mm electrodes: Covers the most popular rod sizes for general welding and repairs.
• Class F insulation: Built to withstand heat during long, demanding jobs.
• Compact and portable: Inverter design is easy to carry between the workshop, yard and job site.
• Energy efficient: Inverter technology uses less power than traditional transformer welders, which helps keep running costs down.
• Complete starter package: The electrode holder, earth clamp and welding face shield are all included.

Why Choose the BTMAX MMA-300?

• Strong 300A-class machine at a practical price
• Modern IGBT inverter for a smooth, steady arc
• Suits both beginners and experienced welders
• Everything you need to start welding is in the box
• Light and portable compared with old transformer welders
• Works on standard 220V supply

Applications

• Metal Fabrication: Builds gates, grills, window frames, doors and steel structures.
• Workshop Welding: Handles everyday jobs such as brackets, frames, tables and custom metalwork.
• Repair and Maintenance: Repairs broken machinery, farm equipment, trailers and vehicle parts.
• Construction Sites: Welds steel beams, trusses, rebar and structural components on site.
• Agriculture: Fixes ploughs, implements, tanks and farm gates.
• DIY and Home Projects: Suits garage projects, furniture making and small metal repairs.