Specifications: 440V input, 3-phase power, 315A maximum output, adjustable Hot Start, Anti-Stick, and Arc Force functions, 85% efficiency. Advanced Features: Built-in IGBT technology for stable and reliable performance, voltage compensation, VRD for safety, and thermal protection. Electrode Compatibility: Supports welding rods from 1mm to 5mm (E6013, E7018, etc.) for versatile applications. Heavy-Duty Use: Continuous welding at 315A, ideal for professional workshops and industrial environments. Cooling System: Fan-cooled for optimal performance and prolonged usage during long work sessions.