
Un-25 High Quality Wire Rod Butt Welding Machine. Wide Welding Range: Handles wire diameters from 4mm to 25mm effectively. Multi-Material Compatibility: Designed for joining steel, aluminium, and copper wires. Adjustable Power Levels: Features 7 adjustable levels for precise control. Dual Frequency Support: Operates at 50Hz and 60Hz for global compatibility. Enhanced Safety Design: Secondary conductive insulation prevents short circuits from iron scrap. Low Noise Operation: Adjustable pressurizing speed reduces impact noise during welding. High Efficiency Transformer: Low impedance design with high-quality materials reduces internal consumption. Robust Industrial Build: Compact and robust design suitable for wire-drawing mills and cable factories.