Electromechanical Cycle Timer, Number of Poles 1, Contact Form SPST, Amps 20 A, Enclosure Type NEMA 3R, NEMA Rating 3R, Min. Time Setting 1 sec, Max. Time Setting 3 hr 52 min, Width 3 1/2 in, Depth 2.8 in, Number of Trippers Included 0, Standards cCSAus