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Flight-Safety Critical SSPC Power Distribution Unit


Part Number(s): RP-2F241XXXX

The RP-2F241XXXX Series Solid State Power Controller (SSPC) Power Distribution Unit is based on DDC's latest generation multi-channel SSPC architecture and can distribute and control power to 24 independent 28Vdc loads. The PDU’s flight-safety critical architecture utilizes redundancy and fail-safe features to ensure reliable operation.


  • Solid state reliability and safety features offer enhanced mission safety and up-time compared to electromechanical breaker panels
  • Compact, light-weight construction enables increased mission duration and payload
  • Provides intelligent power management capability including remote operation and status reporting
  • Programmability allows PDU to be adapted to changing aircraft load profiles


  • Manned and Unmanned Aircraft
  • Aircraft Modifications
  • Airborne Mission Systems


  • Current Capacity
    • 24 Independent Load Channels
    • High-Side and Low-Side Switching
    • 20A, 10A and 5A Rated Channels with 10:1 Programmability
    • Total Current Capability of 200A
    • Channel Paralleling for High Current Loads
  • Protection & Control
    • Independent Remote Control of Individual Channels / Groups
    • Overload (I2T) and Short Circuit (Instant Trip) Protection with Thermal Memory
    • Controlled Rise and Fall Time
    • Redundant 10/100 Ethernet Interface
  • Status Reporting and Diagnostics
    • Continuous Built-In-Test (BIT)
    • Remote Load Current, Voltage and Temperature Monitoring Measurement Accuracy Within 5%
  • Form Factor/Environment
    • Approximately 3.2 lbs (1.45 kg)
    • MIL-STD-704E, MIL-STD-810, MIL-STD-461 and IP65 Ingress Protection
    • DO-160G
    • Flexible Mounting Options
    • EN4165 Series Aircraft Connectors
  • Safety
    • Redundant Interface Buses
    • Redundant Host Controllers
    • Load Channel, Autonomous Electronic Circuit Breaker (ECB) Architecture
    • Configurable Failsafe Mechanism per Load Channel
    • Dissimilar Internal Communication Buses



 Product Brief

RP-2F241XXXX Flight-Safety Critical SSPC Power Distribution Unit Product Brief


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

 Generic Document

28V Multi-Channel SSPC Flight Safety Critical PDU Product Description

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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