• English (United States)
 
 
 
 

Applications : 

 

Key features and design strategies :

 

  • Highly integrated designs for significant weight and volume savings.
  • AC and DC secondary distribution utilizing electromechanical and/or solid state power switching devices
  • High integration of current sensing functions
  • Assemblies and subassemblies designed as LRUs for ease of replacement
  • Modular concepts for flexibility, reduced cost, easy reconfiguration and future requirements
  • Distributed or integrated architecture to optimize electrical power system performance, safety and reliability
  • Strategically integrated connections to associate secondary distribution assemblies with primary distribution assemblies
  • Choice of technical solutions based on standard circuit breakers or solid state power controllers

 

Advanced features for relay panels include :

 

  •  Full integration of hermetically sealed relays onto a PCB
  • 2A-, 5A-, 10A- and 25A- ratings ; low level to 110VDC network voltage
  • 1-, 2-, 3-, 4-, or 6-pole relays
  • Sockets available for easy relay removal
  • Use of separated transient suppression devices (PCB mounting or plug-in sockets) and other electronic components (e.g. diodes)
  • Time delay relay integration (PCB mounting or plug-in sockets)
  • Flexible technical approach allows for easy change or modifications of schematics
  • Relay panels designed as LRUs for ease of replacement

 

Additional features for circuit breaker panels include :

 

  • Fully integrated circuit breakers on panels for space and weight savings
  • Panel plug-in concept to the primary distribution or separated panels for cockpit installation
  • PCB plug-in circuit breakers for cost reduction and easy maintenance
  • Circuit breaker status reporting using communication buses such as CAN, ARINC, or others

 

Advanced electronic features for SSPCs include :

 

  • "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), Continuous Built-in-Test (CBIT) and Initiated Built-in-Test (IBIT)
  • Accurate I²t over-current and short circuit protection with thermal memory and fully compliant (or better than) thermal circuit breaker trip curve
  • Reprogrammable trip curves
  • 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 such as load shedding, soft start for specific loads (light), and current measurement
  • Zero voltage turn-on and turn-off (AC device)
  • Synchronization between 3 phases for AC SSPCs (any phase trip will trip all phases)
  • Current threshold and delay for actuator overload protection
  • Programmable time delay on operate or release
  • Fail-safe functions
  • Optional arc fault detection
  • Very low heat dissipation using solid state technology
This site uses cookies to help deliver an engaging user experience.
To learn more about what cookies are and how to manage them visit AboutCookies.org