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Ultra Media Gallery 9
Power Distribution Unit
Applications :
Key features and design strategies :
Highly integrated designs for significant weight and volume savings
Relay and contactor power switching devices, featuring numerous mounting styles, ratings and voltage switching capabilities, for either AC or DC power distribution
AC abd DC current sensing devices for all types of required protection (such as over-current, under-and over-voltage, reverse polarity, etc.)
Contactor and current sensing device assemblies designed as Line Replaceable Units (LRU) for easy-change installation
Modular concepts for easy reconfiguration of future requirements
Distributed or integrated architecture for optimization of aircraft specificities
Plug-in module or articulated junctions to associate secondary distribution assemblies with primary distribution assemblies for enhanced troubleshooting and maintenance operations
Advanced electronic features include, upon request :
"Design-to-safety" electronics i.e., optimized architecture to achieve the safety objectives of the equipment specifications
BITE features such as Fully Automatic Power On Built-in-Test (PBIT) and Continuous Built-in-Test (CBIT)
Fully reprogrammable control logic
Over-current, short circuit, reverse current protection ; under-current indication
TRU and battery over-temperature protection
Under- and over-voltage protection
Internal or external automatic reconfiguration in case of failure
Source paralleling protection for AC distribution
Various communication buses (ARINC 429, CAN, RS422/485, MIL-STD-1553, Ethernet buses, etc.) for internal use and for communication with man/machine interface, aircraft central computer, and other aircraft equipment
Load reporting and management
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