General Power Distribution Center

The 28V secondary power distribution system uses a circuit breaker for the distribution management of the aircraft’s internal electrical equipment. It is used to control the power supply of some of the aircraft’s DC load.


Main Function

Items Performance Remarks
Operating voltage range 18Vd.c.~32Vd.c. According to GJB181
Working/storage temperature range -40°C ~70°C/-55°C ~85°C  
Output load characteristics Multiple output, 1A~35A each way Customized
Protective function Overload protection according to circuit breaker specifications  
Environmental stress According to GJB1032  
Environmental adaptability High temperature, low temperature, low vacuum dry friction, temperature-altitude, shock, vibration, acceleration, noise, rain, mold, damp heat, salt spray, sand dust, etc. Test under GJB150, parameters customized
Electromagnetic compatibility Meet the related electromagnetic requirements of GJB151  
Life 10 years/1600 working hours.  
Structure / electrical interface Customized metal shell package/circular connector