Sensata - Airpax M39019/03-231Product Attribute Attribute Value Actuator Type Toggle Current Rating 5 A Number of Poles 1 Pole Type Hydraulic Magnetic Overview The Airpax AP MIL protectors are produced in accordance with MIL PRF 39019 and the pertinent specification sheets, are subjected to an exacting production and test program to maintain their Qualified Products Listing (QPL). One, two and three pole series trip units, with or without auxiliary contacts, have been accepted for