Heavy Duty Block occupancy detector

This is the HO Scale Block occupancy detector from Circuitron.

Circuitron Heavy Duty Block occupancy detector Model Railroad Electrical Accessory #5521
 Circuitron # ctn5521
$31.79
 
Retail $39.95  SAVE 20% !
Circuitron Item # ctn5521
  IN STOCK
906 Rewards Points
Website security verified by GoDaddy.

You Might Also Like

Circuitron BD-1 Optical Detector Model Railroad Electrical Accessory #5501
Circuitron BD-1 Optical Detector Model Railroad Electrical Accessory #5501
Circuitron BD-2 Block Occupancy Detector for Current Sensing Model Railroad Electrical Accessory #5502
Circuitron BD-2 Block Occupancy Detector for Current Sensing Model Railroad Electrical Accessory #5502
Circuitron DT-4 Rolling Stock Detector Model Railroad Electrical Accessory #5204
Circuitron DT-4 Rolling Stock Detector Model Railroad Electrical Accessory #5204
Circuitron DF-1 Grade Crossing Detector with Flasher Model Railroad Electrical Accessory #5250
Circuitron DF-1 Grade Crossing Detector with Flasher Model Railroad Electrical Accessory #5250
Circuitron TD-1 Time Delay Circuit Model Railroad Electrical Accessory #5602
Circuitron TD-1 Time Delay Circuit Model Railroad Electrical Accessory #5602
Circuitron BD-2HD 6 amp Heavy Duty Block occupancy detector Model Railroad Electrical Accessory #5522
Circuitron BD-2HD 6 amp Heavy Duty Block occupancy detector Model Railroad Electrical Accessory #5522
NCE BD20 Block Detector Model Railroad Electrical Accessory #205
NCE BD20 Block Detector Model Railroad Electrical Accessory #205
Circuitron Opto-Sensor pkg(6)
Circuitron Opto-Sensor pkg(6)
PI RailDriver Desktop Cab Controller Model Railroad Electrical Accessory #120
PI RailDriver Desktop Cab Controller Model Railroad Electrical Accessory #120
Circuitron FL-2 Alternating Flasher Circuit Board Model Railroad Electrical Accessory #5102
Circuitron FL-2 Alternating Flasher Circuit Board Model Railroad Electrical Accessory #5102
Circuitron DT-3 Single-Direction Grade Crossing Detection Unit Model Railroad Electrical Accessory #5203
Circuitron DT-3 Single-Direction Grade Crossing Detection Unit Model Railroad Electrical Accessory #5203
Circuitron AR-1 Automatic Reversing Circuit Model Railroad Electrical Accessory #5400
Circuitron AR-1 Automatic Reversing Circuit Model Railroad Electrical Accessory #5400
Circuitron External relay with DPDT relay Model Railroad Electrical Accessory #5624
Circuitron External relay with DPDT relay Model Railroad Electrical Accessory #5624
Circuitron DT-2 Grade Crossing Detection Unit Model Railroad Electrical Accessory #5202
Circuitron DT-2 Grade Crossing Detection Unit Model Railroad Electrical Accessory #5202
NJ Automatic Block Signaling (ABS) Master Model Railroad Electrical Accessory #8005
NJ Automatic Block Signaling (ABS) Master Model Railroad Electrical Accessory #8005
Circuitron PS1 Filtered AC to DC Converter 2-22v HO Scale Model Railroad Electrical Accessory #5301
Circuitron PS1 Filtered AC to DC Converter 2-22v HO Scale Model Railroad Electrical Accessory #5301
MRC Prodigy Express Squared Model Train Power Supply Transformer #0001420
MRC Prodigy Express Squared Model Train Power Supply Transformer #0001420
Digitrax Auto reverser
Digitrax Auto reverser
Brawa Plug & socket strip 12 positions Model Railroad Electrical Accessory #3093
Brawa Plug & socket strip 12 positions Model Railroad Electrical Accessory #3093
Ngineering Super Flashers Variable Rate Alternating Flasher Model Railroad Electrical Accessory #n8015
Ngineering Super Flashers Variable Rate Alternating Flasher Model Railroad Electrical Accessory #n8015
Circuitron AR-1CC Reverse Loop Controller Model Railroad Electrical Accessory #5410
Circuitron AR-1CC Reverse Loop Controller Model Railroad Electrical Accessory #5410
Circuitron TC-1 Automatic Turnout Control twin coil Model Railroad Electrical Accessory #5605
Circuitron TC-1 Automatic Turnout Control twin coil Model Railroad Electrical Accessory #5605
Circuitron AW-2 Arc welder circuit with GOW lamps Model Railroad Electrical Accessory #5842
Circuitron AW-2 Arc welder circuit with GOW lamps Model Railroad Electrical Accessory #5842
Circuitron End-Of-Train Flasher Red Light Model Railroad Electrical Accessory #1302
Circuitron End-Of-Train Flasher Red Light Model Railroad Electrical Accessory #1302
Circuitron Gate/Semaphore Actuator Drive Mechanism w/Cable and Actuator
Circuitron Gate/Semaphore Actuator Drive Mechanism w/Cable and Actuator
Circuitron AR-2 Automatic Reverse with Adjustable Delay Model Railroad Electrical Accessory #5401
Circuitron AR-2 Automatic Reverse with Adjustable Delay Model Railroad Electrical Accessory #5401
Digitrax BDL168 LocoNet Occupancy Detector Model Railroad Electrical Accessory #10011
Digitrax BDL168 LocoNet Occupancy Detector Model Railroad Electrical Accessory #10011
Circuitron AC Adapter - HO-Scale
Circuitron AC Adapter - HO-Scale
Circuitron The Tortoise(TM) Switch Machine Model Railroad Electrical Accessory #6000
Circuitron The Tortoise(TM) Switch Machine Model Railroad Electrical Accessory #6000
Circuitron The Tortoise(TM) Switch Machine 6 pack Model Railroad Electrical Accessory #6006
Circuitron The Tortoise(TM) Switch Machine 6 pack Model Railroad Electrical Accessory #6006
Atlas Pier Set N Scale Model Railroad Pier Set #2541
Atlas Pier Set N Scale Model Railroad Pier Set #2541
Atlas Code 80 Standard Switch Remote RH N Scale Nickel Silver Model Train Track #2701
Atlas Code 80 Standard Switch Remote RH N Scale Nickel Silver Model Train Track #2701
Bachmann Block Signals (4) HO Scale Model Railroad Trackside Accessory #42101
Bachmann Block Signals (4) HO Scale Model Railroad Trackside Accessory #42101
Model-Power Target Signal N Scale Model Railroad Operating Accessory #8572
Model-Power Target Signal N Scale Model Railroad Operating Accessory #8572
Atlas Code 55 Under Table Switch N Scale Nickel Silver Model Train Track #2065
Atlas Code 55 Under Table Switch N Scale Nickel Silver Model Train Track #2065
Atlas Code 55 #5 Right Trnout N Scale Nickel Silver Model Train Track #2051
Atlas Code 55 #5 Right Trnout N Scale Nickel Silver Model Train Track #2051
Bachmann E-Z Crossing Gate N Scale Model Railroad Operating Accessory #44879
Bachmann E-Z Crossing Gate N Scale Model Railroad Operating Accessory #44879
Woodland Splicer Plugs
Woodland Splicer Plugs
Bachmann Dual Crossing Gates N Scale Model Railroad Accessory #46720
Bachmann Dual Crossing Gates N Scale Model Railroad Accessory #46720
Miniatronics Train Detection Reed Switch w/Magnet (5) N Scale Model Railroad Electrical Accessory #32n5805
Miniatronics Train Detection Reed Switch w/Magnet (5) N Scale Model Railroad Electrical Accessory #32n5805
← Swipe To View More →

Specs

  • Circuitron Product Number: 5521
  • Walthers Product Number: 800-5521
  • Walthers Catalog: 2015 HO, page 268

Product Rank

Reviews