JET 2T ET-1C Lifting Systems 2ET-1C, 2 Ton, 1Ph, 115/230V, Prewired 230V (272720) Designed to give single control convenience;Durability All models feature 230/460V, 3 Phase wiring (specify voltage when ordering) Solenoid operated traveling brake Adjustable to fit various size I-beams and wide flange beams Must be fitted with a JET 4 station 24V pushbutton control