Rocker Arm Foot Operated Spot Welder FEATURE Heavy Duty Welded Steel Frame. Air Operated up to 150 KVA. Foot Operated up to 50 KVA. Operator selectable Single/Double Stage Footswitch. Heavy Duty, Self Aligning Pillow Blocks with large bearings that provide positive alignment. Solid Copper Arms with Steel End Caps. Ejector-type water-cooled Electrode Holders with Tips. Wide range of Standard and Optional Controls. SPECIFICATION Model Input Voltage Input Power