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DCC Specialties: PSXX-AR

Summary: This re-design is based on the new PSXX circuit breaker series which combines protection with the functionality of an automatic phase inversion device, block detector and accessory decoder.

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General information
DCC Category
Manufacturer DCC Specialties
MSRP 99.95 USD101.75 EUR <br />89.03 GBP <br />151.05 AUD <br />134.84 CAD <br />
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Manufacturer Part Number PSXX-AR
Common Name
UPC Number
Release information

Year Released 01/2023
Has computer interface
Firmware Upgrade Possible Yes
Misc Details


The PSXX-AR combines an accessory decoder, automatic phase inversion and power management into one device.


  • 100% Solid State
  • Automatic phase inversion for reverse sections such as loops, wyes and other situations
  • Automatically control turnouts at the entry to a reverse loop
  • Automatic Circuit breaker
  • Accessory decoder for turnout stall motors
  • Block detection
  • Network Status Feedback
    • Works with Digitrax LocoNet, NCE Cab Bus, ESU ECoS, and Lenz XpressNet interfaces.
  • Remote LEDs can be added for monitoring status.
  • Indicator LEDs on the board
  • Selectable Trip current using CV 49
  • Jumper Selectable limits of 1 – 4 amps
  • Control track power with the throttle
  • Manual or Automatic Reset
  • Adaptive Load Reset determines if overload is a real short or a result of inrush current charging vehicle mounted capacitors.
  • Auto Stop with DCC Reset with a photocell (optional)
  • Photo Cell Controlled Block Power Off: Stop position control and occupancy detection for hidden tracks.
  • Block Detection: Photo cell or block current draw can detect a train and to trigger an output. Trigger point is programmable.
  • Programmable Power Up State
  • Output for Audio Alert
  • Flash Programmable: The PSXX firmware can be updated

CV58 allows a delay to be set, preventing nuisance trips caused by energy storage devices. The inrush current is seen as a short circuit by the PSXX.

New Electronic Gadgets For Your Model Railroad, PSXX-AR at 11 minutes


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