The ConMed ABC Waterproof Footswitch (#130146) is designed for use with the System 7550 ABC ESU (#60-7550-120) and older ConMed and Bircher ABC electrosurgical units. It includes a 10' (3.05 m) cable.
ABC = Argon Beam Coagulation.
ConMed System 7550 Electrosurgical Generator + ABC Modes Service Manual
ConMed System 7550 Electrosurgical Generator with Argon Beam Coagulation Brochure