219-3-2600-402 is a hydraulic magnetic manual motor controller from the AIRPAX 209/219 E-Frame series, designed for accurate and reliable circuit protection combined with power switching capability. This 3-pole unit is UL 508 recognized and features series trip configuration where the sensing coil and contacts are in series with the load, providing conventional overcurrent protection while functioning as an ON-OFF switch. The E-Frame design offers multiple terminal style options including screw terminals, stud, or solderless connectors with front or back connection configurations. Common applications include branch circuit protection for EDP equipment, air conditioners, panel boards, lighting controls, and motor control applications where precise overcurrent protection is required.