Assured Automation R600B R Series Electric Valve Actuator G3415587 Height 12 in Height 12 in Material Copper Type Clamp Characteristics High Quality Copper Alloy with High Strength Ball Point Connection Amps 300 A Features Insulated Spring Cable Connection Type Ball Point Screw Compatible Cable Gauge Range 3 0 AWG Compatible Cable Gauge 3 0 AWG Compatible with Brand ESAB Screw Material Steel Clamp Connection Material Copper Alloy Compatible Cable Gauge (Maximum) 3 0 AWG Clamp Type Ground Clamp Maximum Jaw Opening 1 1 2 in Clamp Body Material Copper Maximum Current 300 A Compatible with Surface Type Flat Plates Handle Material Copper Electrical Connection: One 1 2" Voltage: 24vDC