Airpax M39019-01-254 is a 1-pole hydraulic-magnetic circuit breaker rated for 15 A at 250 VAC and 50 VDC, with a 400 Hz variant commonly used in aerospace and other high-frequency power systems. It uses hook terminals for panel mounting and measures 40.77 mm long, 39.67 mm wide, and 16.66 mm high, with a typical unit weight of 51 g. As part of the AP Series, these breakers are fully sealed hydraulic-magnetic protectors featuring inverse-time delay and trip-free action, built with an O-ring seal and silicone gland to maintain waterproof panel integrity, and are suitable for avionics, radar, navigation, power supplies, and related equipment.
