219-3-1-63F-5-9-80 is a hydraulic magnetic circuit protector from the 209/219/229 series, designed to combine power switching with accurate, reliable circuit protection. This 3-pole unit features a 63F delay characteristic (50/60Hz long delay with "F" option), series trip configuration (-1), and 1/4-20 stud terminals with back connection and front panel mount (-9) rated for up to 100 amps maximum. The unit dimensions include a width of 3.108 inches (78.94 mm) maximum for the 3-pole configuration. Ideal for branch circuit applications such as EDP equipment, air conditioners, panel boards, and lighting controls where compact, multi-pole circuit protection is required.