219-3-1REC5-65-5-8-25-AH-V is a hydraulic magnetic circuit protector from the AIRPAX 209/219 Series, designed for accurate and reliable circuit protection in branch circuit applications. This 3-pole unit features an auxiliary switch with .187 quick connect terminals (-1REC5 configuration) and operates with a 50/60Hz medium delay (high pulse) characteristic (delay code 65), providing minimum 25 times rated current pulse tolerance. The device is rated for 25 amps and includes 10-32 stud terminals (50 amps max) with back terminal connection and front panel mount. Common applications include EDP equipment, air conditioners, panel boards, and lighting controls where power switching combined with precise circuit protection is required.