Circuitron
Circuitron is a U.S. company specializing in electronic control systems and accessories for model railroads, founded in 1976 and based in Illinois. The company is best known for its Tortoise™ slow-motion switch machine, which has become an industry standard for reliable turnout control. Circuitron products emphasize durability, precision, and ease of integration, making them a trusted name among hobbyists who want dependable electronic solutions for their layouts. By focusing on turnout control, detection systems, and automation accessories, Circuitron has established itself as a leader in model railroad electronics.
The company’s product line includes the Tortoise™ switch machine, Snapper capacitive discharge units, detection modules, signal control systems, and accessories designed to automate and enhance layout operations. Their electronics are compatible with HO, N, O, and larger scales, offering hobbyists flexibility across different layouts. Circuitron’s Tortoise™ machines are celebrated for their quiet, slow-motion operation, prototypical realism, and long-term reliability, while their detection and signaling systems allow hobbyists to add operational authenticity to layouts. By blending practicality with prototypical fidelity, Circuitron appeals to modelers who value both realism and dependable performance in their projects.
Circuitron continues to resonate with hobbyists worldwide by offering products that combine affordability, authenticity, and fine craftsmanship. Their Tortoise™ switch machines, detection modules, and signal systems are celebrated for their ability to replicate real-world railroad operations with unmatched reliability. With a strong emphasis on prototypical accuracy, operational realism, and hobbyist-focused usability, Circuitron remains a top choice for modelers searching for electronic accessories that balance realism with practicality. By providing versatile, historically grounded, and hobbyist-focused products, Circuitron has secured its place as a respected name in the global model railroading community.
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Vendor:Circuitron
Circuitron 5501 All Scale BD-1 Optical Detector
Regular price $34.84Sale price $34.84 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5601 All Scale AS-1 Automatic Slowdown
Regular price $17.40Sale price $17.40 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5201 All Scale DT-1 Grade Crossing Detection Unit
Regular price $34.84Sale price $34.84 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9206 All Scale Opto-Sensor pkg(6)
Regular price $17.40Sale price $17.40 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6212 All Scale Smail(TM) 12-Pack
Regular price $427.33Sale price $427.33 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5102 All Scale Alternating Flasher Circuit Board Only -- FL-2
Regular price $21.76Sale price $21.76 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5204 All Scale DT-4 Rolling Stock Detector
Regular price $51.41Sale price $51.41 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6012 All Scale The Tortoise(TM) Switch Machine pkg(12)
Regular price $248.55Sale price $248.55 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 8100 All Scale Gate/Semaphore Actuator Drive Mechanism
Regular price $17.40Sale price $17.40 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 8706 All Scale Heat Shrink Tubing -- 3/32 x 36" 2.381mm x 0.9m
Regular price $6.94Sale price $6.94 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 744106 All Scale 7441 General Purpose Lamps High Output 60ma/6
Regular price $9.55Sale price $9.55 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 1601 HO Scale Basic Flasher for LED's
Regular price $14.78Sale price $14.78 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5301 All Scale PS-1 Converter
Regular price $17.40Sale price $17.40 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9999 All Scale Circuitron Catalog & Application Book
Regular price $8.72Sale price $8.72 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6301 All Scale Smail(TM) Terminal Block
Regular price $5.19Sale price $5.19 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6206 All Scale Smail(TM) 6-Pack
Regular price $218.03Sale price $218.03 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6312 All Scale Smail(TM) Terminal Block -- pkg(12)
Regular price $40.94Sale price $40.94 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 744125 All Scale 7441 General Purpose Lamps -- High Output 60ma (25)
Regular price $26.12Sale price $26.12 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9506 All Scale Printed Circuit Mounting Track
Regular price $6.94Sale price $6.94 Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 8700 All Scale Heat Shrink Tubing Assortment
Regular price $6.94Sale price $6.94 Regular priceUnit price / per
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