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.
-
Vendor:Circuitron
Circuitron 6501 All Scale Tortoise(TM) Switch Machine Parts -- Spring Wires (12)
Regular price $3.18 USDSale price $3.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6606 All Scale ZipZ(TM) Solderless Connection System - Kit pkg(6)
Regular price $32.22 USDSale price $32.22 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6500 All Scale Tortoise(TM) Switch Machine Replacement Parts
Regular price $10.44 USDSale price $10.44 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6601 All Scale ZipZ(TM) Solderless Connection System Kit For Tortoise
Regular price $5.61 USDSale price $5.61 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5401 All Scale AR-2 Automatic Reverse -- With Adjustable Delay
Regular price $56.41 USDSale price $56.41 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5520 HO Scale SD-2 3-Position Semaphore Driver
Regular price $28.18 USDSale price $28.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5303 All Scale Snapper Switch Machine Power Supply
Regular price $36.25 USDSale price $36.25 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 8040 HO Scale Fiber Optics -- .04" Diameter, 15'
Regular price $8.02 USDSale price $8.02 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9202 All Scale Opto-Sensor -- pkg(2)
Regular price $6.05 USDSale price $6.05 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9602 All Scale Solderless Connectors -- Non-Insulated pkg(8)
Regular price $3.18 USDSale price $3.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6616 All Scale ZipZ(TM) Solderless Connection System - Kit pkg(6)
Regular price $27.38 USDSale price $27.38 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6504 All Scale Tortoise(TM) Switch Machine Parts -- Fulcrums (12)
Regular price $12.06 USDSale price $12.06 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6006 All Scale The Tortoise(TM) Switch Machine pkg(6)
Regular price $134.40 USDSale price $134.40 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 7212 HO Scale AC Adapter -- For Tortoise Switch Machines & Other Uses
Regular price $15.28 USDSale price $15.28 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6000 All Scale The Tortoise(TM) Switch Machine
Regular price $23.16 USDSale price $23.16 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 5204 All Scale DT-4 Rolling Stock Detector
Regular price $48.34 USDSale price $48.34 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9999 All Scale Circuitron Catalog & Application Book
Regular price $8.06 USDSale price $8.06 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6312 All Scale Smail(TM) Terminal Block -- pkg(12)
Regular price $48.34 USDSale price $48.34 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9612 All Scale Battery Holder -- AA, 2-Cell, 3V
Regular price $3.99 USDSale price $3.99 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9613 All Scale Battery Holder -- AAA, 1-Cell, 1.5 Volts
Regular price $3.18 USDSale price $3.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9302 All Scale LEDS .125" Diameter -- Red
Regular price $3.18 USDSale price $3.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 9322 All Scale LEDs - .075" .19cm Diameter pkg(2) -- Red
Regular price $3.18 USDSale price $3.18 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 743106 All Scale 7431 Very High Output Lamps
Regular price $14.47 USDSale price $14.47 USD Regular priceUnit price / per -
Vendor:Circuitron
Circuitron 6503 All Scale Tortoise(TM) Switch Machine Replacement Fulcrums (6)
Regular price $8.02 USDSale price $8.02 USD Regular priceUnit price / per