elec ratings, ac, 250v max rated voltage, 5 amp res curr rating, 5 amp max res curr, 115v, dc, 28v max rated voltage, 2 amp res curr at max rated voltaged voltage; motor 26.5 vdc; 2 terminals for motor/6 for contacts; rated for actuation time, 10 sec to 4 min operating time; hermetically sealed; o/a dims. excl terminals 4-3/16 in. lg, 2-9/16 in. dia; mtd by 2-23/32 in. sq base plate, 1/16 in. thk w/four mtg holes on 2-5/32 x 2-5/32 in. mtg ctrs