The CM3589-5 is an electrical breaker (circuit breaker) used in Cessna aircraft electrical systems. It is designed to protect aircraft wiring and electrical components by automatically interrupting current flow when an overload or short circuit occurs.

Key features include:

OEM Cessna aircraft circuit breaker
Thermal or magnetic trip protection (depending on configuration)
Resettable push/pull breaker design
Used for electrical load protection in aircraft systems
Rated for aircraft DC electrical systems (exact amperage depends on dash number specification)
Panel-mounted aviation breaker construction
Designed for vibration-resistant operation in aircraft environments
FAA-approved aircraft electrical protection component
This breaker is commonly used in Cessna aircraft electrical distribution panels, protecting avionics, lighting, and auxiliary electrical systems from overload conditions.