219-3-2988-968 is a hydraulic magnetic circuit protector from the 219 series, designed as a UL 508 recognized manual motor controller. This E-frame circuit breaker combines power switching with accurate, reliable circuit protection in a compact multi-pole configuration. The 219 series is available in one through six pole assemblies with various configurations including series trip and relay trip options, and offers multiple terminal styles including screw terminals, stud, or solderless connectors. Common applications include branch circuit protection for EDP equipment, air conditioners, panel boards, and lighting controls where precise overcurrent protection and ON-OFF switching functionality are required.