Royce Mma 400s Welding Machine

The Royce MMA 400S is a Manual Metal Arc (MMA) welding machine, commonly used for heavy-duty welding tasks. It's a robust and portable inverter-based machine designed for stick welding (also known as shielded metal arc welding, or SMAW). Here's a breakdown of its key features and specifications:Feature Details Model Royce MMA-400S Input Voltage AC 220V or 380V (varies by model variant) Frequency 50/60 Hz Rated Input Power Around 7–10 kW (varies slightly) Output Current Range 20 – 400 Amps Duty Cycle 60% at 400A (may vary slightly) No-load Voltage ~65 – 75V