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28V, 400A, 4-Channel, High-Power Solid-State Power Controller


Part Number(s): RP-26311000NX

DDC's 4-channel high-power solid state power controller (SSPC) board controls, protects, and continuously monitors up to 100A per channel to four independent electrical system loads.


  • High Reliability
    • 25x Improvement in MTBF, Compared with Mechanical Switches, Breakers, and Relays
    • Very Rapid Short Circuit Deactivation Protects Wires, Loads, and SSPCs
    • Improved Mission Safety and Longevity
  • Greater System Protection
    • I²T Overload Protection Avoids Nuisance Trips
    • Greater Controlled Rise/Fall Time for EMI Reduction, Reduced Inrush Currents
    • Provides Prognostics/Diagnostics Data
    • Enables Preventive and Automated Maintenance
    • Power Profiling and Analysis
  • More Efficiency
    • Reduced Weight and Volume
    • Low Power Dissipation
    • Crew Off-loading
    • Energy Savings Through Load Shedding and Load Prioritization
    • Programmability Allows for Increase in Up-time and Mission Readiness
  • Cost Savings
    • Weight and Integration Savings
    • Programmability Allows for Minimum Inventory
    • Minimized Maintenance and Support
    • Field Upgradability Provides Protection from Obsolescence


  • Military Land Vehicles
  • Commercial Trucks
  • Industrial Controls
  • Military/Commercial Ships
  • Weapon Systems
  • Unmanned Vehicles



  • 4 Independent Load Channels
  • Instant Trip and I²t Protection / Thermal Memory
  • Continuous Built-In Test (BIT)
  • Trip Override (Battle) Mode
  • Discrete Control Options
    • Discrete Control Interface(DCI)
    • Trip Status Output(TSO)
    • Reset-All-Trip Input (RAT)
    • Auxiliary Channel Reset
    • Discrete Channel ON/OFF control
  • SAE J1939 compatible CANbus Interface (250K, 500K, 1MBaud)


  • 100A Channels with 4:1 Current Programmability
  • Channel Paralleling for High Current Loads


  • Low Power Dissipation Across Channels
  • Measurement Accuracy better than 5%
  • Total Module Continuous Current of 400 amps
  • Nominal 28V Operation, MIL-STD-1275C, MIL-STD-704, Def Stan 61-5 Compliant
  • Controlled Rise/Fall Times
  • Monitoring
    • Load Currents
    • Input Voltage
    • Channel Output Voltages
    • On-Board and External Temperatures
  • Low Power ‘SHUTDOWN’ Mode Input


  • Ruggedized Conduction Cooled Form Factor



 Product Brief

RP-26311000NX 28V 4-Channel, High-Power Solid-State Power Controller Product Brief


Performance Comparison: Solid State Power Controllers vs. Electromechanical Switching
Japanese Translation:

 Generic Document

DDC Corporate Overview

DDC Product Catalog

Solid-State Power Control Solutions Brochure

Solid-State Power Controllers Flyer

DDC Custom Solutions Brochure


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