The AIRPAX / SENSATA M39019/01-323 is a low-power, magnetic, trip-free, one-pole circuit breaker conforming to MIL-PRF-39019. Designed for use in military and industrial applications, this circuit breaker provides reliable overcurrent protection. It features a sealed construction to prevent contamination and a trip-free mechanism for quick response. The device's dimensions and configuration are detailed in Figure 1, with slight deviations acceptable as long as they don't affect functionality. Mounting hardware includes a hex nut and lockwasher, and terminals are designed for secure connections. The circuit breaker is rated for both DC and AC voltage and frequency, with varying current ratings and time delays depending on the dash number.