The Royce MMA-300S is a stick welding machine designed for light to medium-duty welding jobs. It’s part of Royce’s line of inverter welding machines, known for being portable, efficient, and easy to operate. Here's a detailed overview of its specifications and features:Model Royce MMA-300S
Input Voltage AC 220V (single-phase)
Frequency 50/60 Hz
Rated Input Power Approx. 5.5 – 7.0 kW
Output Current Range 20 – 300 Amps
Duty Cycle 60% at 300A (higher with lower amps)
No-load Voltage Around 60 – 70V
Electrode Size Support 1.6mm – 4.0mm (commonly used: 2.5mm and 3.2mm)