{"title":"Circuitron","description":"\u003cp\u003e\u003cstrong\u003eCircuitron\u003c\/strong\u003e belongs in a focused shelf, not buried inside a general catalog. This collection brings together model trains, rolling stock, track, controls, and railroad details from Circuitron so collectors and builders can compare the details that matter.\u003c\/p\u003e\u003cp\u003eCurrent listings include 0.040-Inch Fiber Optic Strand – 15 Feet, 0.060-Inch Fiber Optic Strand – 10 Feet, 1.4mm Mitey Lites Lamps – 12-Pack. Inventory changes, so use each product page to confirm scale, road name, finish, dimensions, and kit or ready-to-run format.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"\/collections\/model-trains\"\u003emodel trains and railroad supplies\u003c\/a\u003e at Muncle Mikes.\u003c\/p\u003e","products":[{"product_id":"circuitron-lt-1-logic-translator-5271","title":"Circuitron LT-1 Logic Translator","description":"\u003cp\u003eConnect Circuitron controls to equipment that needs the opposite signal polarity. The LT-1 converts a grounded negative output into a positive-voltage signal.\u003c\/p\u003e\u003cp\u003eFour independent inverter circuits share one board. Requires a 6–24V DC supply; the output voltage is approximately the supply voltage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5271\u003c\/li\u003e\n\u003cli\u003eScale: Multi-scale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045454569784,"sku":"CIR5271","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/800-5271b__83689.1741703923.jpg?v=1790527760"},{"product_id":"circuitron-lt-2-logic-translator-5272","title":"Circuitron LT-2 Logic Translator","description":"\u003cp\u003eThe Circuitron LT-2 converts a positive control signal into the grounded negative signal used by Circuitron electronics. It provides an interface for compatible controls from other manufacturers.\u003c\/p\u003e\u003cp\u003eFour independent inverter circuits are provided on a 1.5 × 3-inch circuit board. Consult the included wiring instructions for your installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5272\u003c\/li\u003e\n\u003cli\u003eScale: Multi-scale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045454766392,"sku":"CIR5272","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir800-5272b__73915.1741703830.jpg?v=1790527763"},{"product_id":"circuitron-gd-1-grade-crossing-gate-driver-5550","title":"Circuitron GD-1 Grade Crossing Gate Driver","description":"\u003cp\u003eGive model railroad crossing gates controlled, adjustable movement with the Circuitron GD-1. The circuit drives up to two Tortoise switch machines used as gate actuators.\u003c\/p\u003e\u003cp\u003eAn adjustable timer keeps the flashers operating while the gates rise. The 2 × 3-inch board requires 10–18V DC. Gate mechanisms, switch machines, detection circuits, and flashers are separate components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5550\u003c\/li\u003e\n\u003cli\u003eScale: Multi-scale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045454963000,"sku":"CIR5550","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/47d4f91f-3711-4d73-a4c6-f73cf5fede6e_d1d675fe_47d4f91f-3711-4d73-a4c6-f73cf5fede6e_2f76ef96_cir5550b__74298.1771272453.jpg?v=1790527766"},{"product_id":"circuitron-tortoise-slow-motion-switch-machines-6-pack-6006","title":"Circuitron Tortoise Slow Motion Switch Machines – 6-Pack","description":"\u003cp\u003eEquip six turnouts with Circuitron Tortoise slow-motion switch machines. Their geared mechanisms move the points gradually, taking approximately three seconds to complete a throw.\u003c\/p\u003e\u003cp\u003eThis 6006 value pack contains six machines. Mounting linkage and two sets of SPDT auxiliary contacts are provided. The close-up photo shows one machine from the pack.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6006\u003c\/li\u003e\n\u003cli\u003eScale: Multi-scale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045455028536,"sku":"CIR6006","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR-800-6006__60948.1671410940.jpg?v=1790527768"},{"product_id":"circuitron-tortoise-slow-motion-switch-machines-12-pack-6012","title":"Circuitron Tortoise Slow Motion Switch Machines – 12-Pack","description":"\u003cp\u003eInstall slow-motion turnout control across a larger layout with this twelve-machine Circuitron Tortoise pack. Each geared mechanism completes its throw in approximately three seconds.\u003c\/p\u003e\u003cp\u003eThe 6012 value pack contains twelve machines with mounting linkage and two sets of SPDT auxiliary contacts per machine. The close-up photo shows a single included machine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6012\u003c\/li\u003e\n\u003cli\u003eScale: Multi-scale\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045455061304,"sku":"CIR6012","price":324.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/ec428d92CIR-800-6006__60948__49514.1674015431.jpg?v=1790527771"},{"product_id":"circuitron-red-end-of-train-flasher-1302","title":"Circuitron Red End-of-Train Flasher","description":"\u003cp\u003eAdd a flashing red rear marker to a model freight car with this compact EOT circuit and LED. It requires 3V power from batteries or a suitable track-power adapter. Installation requires soldering. The photo shows an application; the freight car and power source are not included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 1302\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045626831160,"sku":"CIR1302","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR1302__14619.1671410939.jpg?v=1790530559"},{"product_id":"circuitron-ml-2-mars-light-with-two-lamps-1502","title":"Circuitron ML-2 Mars Light with Two Lamps","description":"\u003cp\u003eSimulate a Mars light with two included 1.7mm lamps that flash alternately. The ML-2 requires 2.4–3V DC and can be powered by batteries or a compatible Circuitron track-power adapter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 1502\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045627027768,"sku":"CIR1502","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-1502-ml-2-mars-light.png?v=1790530562"},{"product_id":"circuitron-tp-1-track-power-adapter-2001","title":"Circuitron TP-1 Track Power Adapter","description":"\u003cp\u003ePower compatible Circuitron LED strobes or end-of-train flashers from track power. This compact regulator supplies up to 35mA and works in either direction of travel with DC, AC, or carrier-control power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 2001\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045627257144,"sku":"CIR2001","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-2001-tp-1-track-power-adapter.jpg?v=1790530564"},{"product_id":"circuitron-tp-3-track-power-adapter-2003","title":"Circuitron TP-3 Track Power Adapter","description":"\u003cp\u003eSupply constant lighting in unpowered rolling stock with the TP-3 track-power adapter. It delivers up to 0.5A without ballast lamps or a motor and can power a compatible Mars flasher.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 2003\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045627453752,"sku":"CIR2003","price":23.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir2003__59798.1671410939.jpg?v=1790530566"},{"product_id":"circuitron-fl-2-alternating-flasher-5102","title":"Circuitron FL-2 Alternating Flasher","description":"\u003cp\u003eOperate crossing lamps or LEDs from a compatible detection circuit, a manual switch, or continuous control. The FL-2 provides two alternating outputs rated at 250mA each and requires 10–18V AC or DC. LEDs need suitable current-limiting resistors; signals are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5102\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045628305720,"sku":"CIR5102","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir5102__20959.1671410939.jpg?v=1790530568"},{"product_id":"circuitron-fl-3-three-output-alternating-flasher-5103","title":"Circuitron FL-3 Three-Output Alternating Flasher","description":"\u003cp\u003eControl flashing lights at up to three locations with independent inputs and outputs. The FL-3 powers lamps or suitably connected LEDs at up to 250mA per output and requires 10–18V AC or DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5103\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045628633400,"sku":"CIR5103","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5103-alternating-flasher-fl-3-3-output.jpg?v=1790530569"},{"product_id":"circuitron-dt-1-grade-crossing-detector-5201","title":"Circuitron DT-1 Grade Crossing Detector","description":"\u003cp\u003eDetect trains approaching a crossing on a DC-powered layout with four included Opto-Sensors. The DT-1 uses track polarity to select the sensors for the direction of travel. A separate flasher operates crossing lights. Short trains between sensors may not remain detected.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5201\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045628731704,"sku":"CIR5201","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir5201__51549.1671410939.jpg?v=1790530571"},{"product_id":"circuitron-dt-2-grade-crossing-detector-5202","title":"Circuitron DT-2 Grade Crossing Detector","description":"\u003cp\u003eControl a DC-layout crossing with four Opto-Sensors and logic that keeps the output active until the last car clears. The DT-2 handles either direction and detects a train backing away before the crossing. The 3 × 4-inch board requires 10–18V AC or DC; crossing accessories are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5202\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045629092152,"sku":"CIR5202","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir5202__84733.1671410939.jpg?v=1790530573"},{"product_id":"circuitron-dt-3-single-direction-grade-crossing-detector-5203","title":"Circuitron DT-3 Single-Direction Grade Crossing Detector","description":"\u003cp\u003eUse the DT-3 where trains approach a crossing in one direction. Its optical detection works independently of track power and accommodates different train lengths. Requires 10–18V AC or DC; use a separate compatible flasher, bell, or relay for the crossing accessory.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5203\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045629190456,"sku":"CIR5203","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR5203__94976.1671410939.jpg?v=1790530575"},{"product_id":"circuitron-df-1-crossing-detector-and-flasher-5250","title":"Circuitron DF-1 Crossing Detector and Flasher","description":"\u003cp\u003eCombine single-direction crossing detection and alternating light control on one board. The DF-1 works independently of track power and handles any train length. Requires 10–18V AC or DC and supports two 250mA loads; signals are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5250\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045629518136,"sku":"CIR5250","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5250-df-1-grade-crossing-detector-w-flasher.webp?v=1790530577"},{"product_id":"circuitron-snapper-switch-machine-power-supply-5303","title":"Circuitron Snapper Switch-Machine Power Supply","description":"\u003cp\u003eProvide a switching pulse for dual-coil turnout machines with the Snapper power supply. It protects coils against prolonged current caused by a stuck control. Connect to a suitable accessory supply up to 25V. A section of circuit-board mounting track is included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5303\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045629681976,"sku":"CIR5303","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5303-snapper-switch-machine-power-supply.png?v=1790530578"},{"product_id":"circuitron-ps-2a-adjustable-converter-and-regulator-5305","title":"Circuitron PS-2A Adjustable Converter and Regulator","description":"\u003cp\u003eConvert AC or unfiltered DC into an adjustable 1.25–12V DC supply for layout accessories. The PS-2A can provide over 1A under suitable input conditions. Input voltage should be about 5–6V above the selected output; higher input-to-output differences reduce available current.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5305\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045630042424,"sku":"CIR5305","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5305-ps-2a-converter-regulator.gif?v=1790530580"},{"product_id":"circuitron-ar-1-automatic-reversing-circuit-5400","title":"Circuitron AR-1 Automatic Reversing Circuit","description":"\u003cp\u003eAutomate polarity reversal on a point-to-point layout, test track, or suitable reverse-loop installation. The AR-1 uses optical sensors and switches loads up to 6A. It requires filtered 12V DC power and can also accept manual pushbutton control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5400\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045630206264,"sku":"CIR5400","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/e23d9884cir5400.jpg__10720.1787950816.png?v=1790530581"},{"product_id":"circuitron-ar-1cc-reverse-loop-controller-5410","title":"Circuitron AR-1CC Reverse-Loop Controller","description":"\u003cp\u003eControl polarity in a command-control reverse loop using optical sensors and a reversing section longer than the train. The AR-1CC switches up to 5A and requires filtered 12V DC power. Manual pushbuttons can be incorporated.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5410\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045630402872,"sku":"CIR5410","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5410-ar-1cc-reverse-loop-controller.jpg?v=1790530583"},{"product_id":"circuitron-bd-1-optical-block-occupancy-detector-5501","title":"Circuitron BD-1 Optical Block-Occupancy Detector","description":"\u003cp\u003eDetect an occupied block without modifying rolling stock. The BD-1 uses light-sensitive sensors between the rails and can directly drive two-color lamp or LED block signals. It operates independently of track power and requires 6–20V DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5501\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045630533944,"sku":"CIR5501","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5501-bd-1-optical-detector.webp?v=1790530584"},{"product_id":"circuitron-bd-2-current-sensing-block-detector-5502","title":"Circuitron BD-2 Current-Sensing Block Detector","description":"\u003cp\u003eDetect a locomotive or lighted car by its current draw with the BD-2. Unpowered cars require suitable resistor-equipped wheelsets for detection. The board can directly drive two-color signals and requires 10–18V DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5502\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045631025464,"sku":"CIR5502","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5502-bd-2-current-sensing-detection-unit.jpg?v=1790530590"},{"product_id":"circuitron-sd-1-three-aspect-signal-driver-5510","title":"Circuitron SD-1 Three-Aspect Signal Driver","description":"\u003cp\u003eControl a three-lamp red, yellow, and green signal from block detectors. The SD-1 supports lamps or common-anode LEDs and requires detection for at least three blocks to display all aspects. Requires 10–18V DC; signals and detectors are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5510\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045631254840,"sku":"CIR5510","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5510-sd-1-signal-driver.jpg?v=1790530592"},{"product_id":"circuitron-sd-2-three-position-semaphore-driver-5520","title":"Circuitron SD-2 Three-Position Semaphore Driver","description":"\u003cp\u003eDrive a semaphore to three positions using a Tortoise switch machine and block-occupancy detectors. At least two detected blocks are required for all three indications. The SD-2 needs 10–18V DC; the signal, actuator, and detectors are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5520\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045631811896,"sku":"CIR5520","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR5520-1__31861.1671410939.jpg?v=1790530593"},{"product_id":"circuitron-bd-1hd-heavy-duty-optical-block-detector-5521","title":"Circuitron BD-1HD Heavy-Duty Optical Block Detector","description":"\u003cp\u003eUse optical block detection with heavier signal loads. The BD-1HD provides 500mA capacity per output for large-scale signal lamps while detecting rolling stock through light-sensitive sensors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5521\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045632794936,"sku":"CIR5521","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5521-bd-1hd-optical-detectorBackgroundRemoved.png?v=1790530595"},{"product_id":"circuitron-bd-2hd-heavy-duty-current-sensing-detector-5522","title":"Circuitron BD-2HD Heavy-Duty Current-Sensing Detector","description":"\u003cp\u003eDetect occupied track blocks through current draw with the heavy-duty BD-2HD. This version supports 6A track-current capacity for larger loads. Unpowered rolling stock needs suitable resistor-equipped wheelsets to be detected.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5522\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633089848,"sku":"CIR5522","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5522-bd-2hd-current-sensing-detection-unit.png?v=1790530596"},{"product_id":"circuitron-sd-3-tri-color-signal-driver-5530","title":"Circuitron SD-3 Tri-Color Signal Driver","description":"\u003cp\u003eDisplay red, green, and adjustable amber with a compatible single-target tri-color LED signal. The SD-3 accepts manual three-position control or compatible detector outputs. Requires 10–18V AC or DC; automatic three-aspect operation needs at least three detected blocks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5530\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633351992,"sku":"CIR5530","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5530-sd-3-signal-detectorBackgroundRemoved.png?v=1790530598"},{"product_id":"circuitron-td-1-time-delay-circuit-5602","title":"Circuitron TD-1 Time-Delay Circuit","description":"\u003cp\u003eAdd an adjustable pause to an automatic station stop or other detected action. The TD-1 provides a relay output and a delay adjustable from zero to more than one minute. Requires 12V DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5602\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633581368,"sku":"CIR5602","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5602-td-1-time-delay-circuit.gif?v=1790530599"},{"product_id":"circuitron-tc-3-automatic-tortoise-control-5615","title":"Circuitron TC-3 Automatic Tortoise Control","description":"\u003cp\u003eOperate a Tortoise switch machine from momentary detector or pushbutton inputs. Two control inputs select the direction, making the TC-3 suitable for panel or matrix control. Requires 12–18V DC; the switch machine is separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5615\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633679672,"sku":"CIR5615","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5615-tc-3-automatic-tortoise-controlBackgroundRemoved.png?v=1790530601"},{"product_id":"circuitron-tc-4-tortoise-direction-alternator-5616","title":"Circuitron TC-4 Tortoise Direction Alternator","description":"\u003cp\u003eUse Circuitron’s TC-4 direction alternator to control a Tortoise switch machine. The board requires 12–18V DC. The Tortoise machine and external control components are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5616\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633712440,"sku":"CIR5616","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5616-tc-4-tortoise-direction-alternator.png?v=1790530602"},{"product_id":"circuitron-er-2-external-relay-5624","title":"Circuitron ER-2 External Relay","description":"\u003cp\u003eSwitch loads that exceed a detection circuit’s direct output capability with the ER-2 external relay. Its DPDT relay contacts provide an interface for higher-current or AC-powered layout accessories. Follow the supplied wiring instructions for the connected load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5624\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633810744,"sku":"CIR5624","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5624-er-2-external-relay.png?v=1790530604"},{"product_id":"circuitron-br-1-bell-ringer-circuit-with-bell-5700","title":"Circuitron BR-1 Bell-Ringer Circuit with Bell","description":"\u003cp\u003eAdd a crossing-bell effect using the BR-1 circuit and included 2.5-inch bell. Both ringing rate and volume are adjustable. The assembly mounts beneath the layout and requires 10–18V AC or DC with suitable detection or control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5700\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045633843512,"sku":"CIR5700","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5700-br-1-bell-ringer-circuit_2.gif?v=1790530605"},{"product_id":"circuitron-br-3-digital-grade-crossing-bell-with-speaker-5703","title":"Circuitron BR-3 Digital Grade Crossing Bell with Speaker","description":"\u003cp\u003eProduce a digital crossing-bell sound with this compact module and speaker. The BR-3 has adjustable volume and works from a compatible grounded detection output or manual switch. Requires 8–18V AC or DC, with DC preferred.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5703\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045634007352,"sku":"CIR5703","price":42.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/2fa0a132cir5703__46266.1761855855.jpg?v=1790530607"},{"product_id":"circuitron-tl-1-traffic-light-controller-5820","title":"Circuitron TL-1 Traffic-Light Controller","description":"\u003cp\u003eSequence model road signals with six red, yellow, and green outputs. All four timing intervals are adjustable, and each output handles up to 250mA. Requires 10–18V AC or DC; LED signals must use a common-anode arrangement. Signals are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5820\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045634203960,"sku":"CIR5820","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-5820-tl-1-traffic-light-controller.webp?v=1790530609"},{"product_id":"circuitron-aw-1-arc-welder-circuit-with-micro-bulbs-5841","title":"Circuitron AW-1 Arc-Welder Circuit with Micro-Bulbs","description":"\u003cp\u003eCreate a welding effect with random flickering from yellow and blue micro-bulbs. The AW-1 version is intended for direct viewing in a model scene and requires 10–18V AC or DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5841\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045634236728,"sku":"CIR5841","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir5841__79318.1671410940.jpg?v=1790530609"},{"product_id":"circuitron-aw-2-arc-welder-circuit-with-lamps-5842","title":"Circuitron AW-2 Arc-Welder Circuit with Lamps","description":"\u003cp\u003eSimulate welding inside a model building with alternating random flashes from yellow and blue lamps. The AW-2 uses larger bulbs to illuminate a window from within and requires 10–18V AC or DC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 5842\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045634335032,"sku":"CIR5842","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir5842__62967.1671410940.jpg?v=1790530611"},{"product_id":"circuitron-tortoise-slow-motion-switch-machine-6000","title":"Circuitron Tortoise Slow-Motion Switch Machine","description":"\u003cp\u003eMove turnout points gradually with a Tortoise geared switch machine. The throw takes about three seconds, and the adjustable linkage accommodates Z through G scale applications. Includes mounting linkage and two sets of SPDT auxiliary contacts. One machine is supplied.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6000\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045634859320,"sku":"CIR6000","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/Circuitron-800-6000__75186.1671410940.jpg?v=1790530618"},{"product_id":"circuitron-remote-tortoise-mount-6100","title":"Circuitron Remote Tortoise Mount","description":"\u003cp\u003ePosition a Tortoise up to 18 inches from a turnout using this mounting bracket and linkage. It supports mounting above or below the benchwork. The Tortoise switch machine shown in the application illustration is sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6100\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635121464,"sku":"CIR6100","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR6100-1__97733.1671410940.jpg?v=1790530619"},{"product_id":"circuitron-extra-cable-and-actuator-for-remote-tortoise-mount-6101","title":"Circuitron Extra Cable and Actuator for Remote Tortoise Mount","description":"\u003cp\u003eExtend a Remote Tortoise Mount installation with this extra cable and actuator. It allows two sets of turnout points to be operated together by one Tortoise. The remote mount and switch machine are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6101\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635219768,"sku":"CIR6101","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR6101__90894.1671410940.jpg?v=1790530621"},{"product_id":"circuitron-tortoise-drilling-template-6190","title":"Circuitron Tortoise Drilling Template","description":"\u003cp\u003eMark mounting holes for standard under-layout Tortoise installations with this thin laser-cut plastic template. Reuse it when installing multiple switch machines; machines and drilling tools are separate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6190\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635449144,"sku":"CIR6190","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR6190__46827.1671410940.jpg?v=1790530622"},{"product_id":"circuitron-smail-slow-motion-actuator-with-decoder-6200","title":"Circuitron Smail Slow-Motion Actuator with Decoder","description":"\u003cp\u003eControl turnout movement through an internal DCC decoder and a geared stall motor. Smail combines slow motion with integrated logic and can also operate compatible accessories in DC mode. Includes mounting linkage. This is the standard single-unit version without the factory terminal-block option.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6200\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635678520,"sku":"CIR6200","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/CIR6200__51550.1671410941.jpg?v=1790530624"},{"product_id":"circuitron-smail-actuator-with-terminal-blocks-6200tb","title":"Circuitron Smail Actuator with Terminal Blocks","description":"\u003cp\u003eInstall a single Smail slow-motion actuator with factory-fitted screw terminal blocks for wire connections. The integrated decoder supports DCC control and compatible accessory applications. This is the terminal-block version, part 6200TB.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6200TB\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635842360,"sku":"CIR6200TB","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir6200tb__69684.1671410941.jpg?v=1790530625"},{"product_id":"circuitron-smail-actuators-with-decoders-6-pack-6206","title":"Circuitron Smail Actuators with Decoders – 6-Pack","description":"\u003cp\u003eEquip six turnouts with Smail slow-motion actuators and integrated decoders. The units connect to a compatible DCC accessory-control bus and offer adjustable throw speed. This pack contains six standard units without the factory terminal-block option.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6206\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045635907896,"sku":"CIR6206","price":272.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir6206__64741.1671410941.jpg?v=1790530627"},{"product_id":"circuitron-smail-actuators-with-terminal-blocks-6-pack-6206tb","title":"Circuitron Smail Actuators with Terminal Blocks – 6-Pack","description":"\u003cp\u003eEquip six turnouts with Smail actuators featuring integrated decoders and factory-installed screw terminal blocks. The units support compatible DCC accessory control and adjustable throw speed. Six terminal-block units are supplied.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6206TB\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636038968,"sku":"CIR6206TB","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/cir6206tb__33551.1671410941.jpg?v=1790530628"},{"product_id":"circuitron-smail-terminal-block-set-6301","title":"Circuitron Smail Terminal Block Set","description":"\u003cp\u003eAdd screw-terminal wire connections to a compatible Smail circuit board. These terminal blocks require soldering to the board before use. The Smail actuator is sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6301\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636137272,"sku":"CIR6301","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-6301-smail-terminal-block.webp?v=1790530630"},{"product_id":"circuitron-zipz-connector-for-tortoise-or-smail-6601","title":"Circuitron ZipZ Connector for Tortoise or Smail","description":"\u003cp\u003eConnect layout wiring to a Tortoise or Smail with one preassembled ZipZ edge connector. Screw terminals allow removal of the switch machine without unsoldering its wiring. Compatible with current units and older Tortoise machines with tan circuit boards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6601\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636333880,"sku":"CIR6601","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-zipz-connection-system-kit-for-tortoise-or-smail.jpg?v=1790530631"},{"product_id":"circuitron-zipz-connectors-for-tortoise-or-smail-6-pack-6606","title":"Circuitron ZipZ Connectors for Tortoise or Smail – 6-Pack","description":"\u003cp\u003eWire six Tortoise or Smail switch machines with preassembled ZipZ connectors. Each fits the machine’s circuit board and provides screw terminals. Compatible with current units and older tan-board Tortoise machines. The photo shows one connector from the six-pack.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6606\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636530488,"sku":"CIR6606","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-zipz-connection-system-kit-for-tortoise-or-smail_6d1e6662-626b-4eeb-a26e-54ca36be916c.jpg?v=1790530632"},{"product_id":"circuitron-zipz-connector-kits-6-pack-6616","title":"Circuitron ZipZ Connector Kits – 6-Pack","description":"\u003cp\u003eBuild six ZipZ connectors for Tortoise or Smail switch machines. These kits require assembly and a small amount of soldering; once assembled, screw terminals simplify later wiring changes. The image shows an assembled example, not the kit’s supplied assembly state.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 6616\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636628792,"sku":"CIR6616","price":33.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-zipz-connection-system-kit-for-tortoise-or-smail_a7ac4a45-cb57-4686-83ce-dc62c92cdea4.jpg?v=1790530634"},{"product_id":"circuitron-12v-dc-500ma-power-adapter-7212","title":"Circuitron 12V DC 500mA Power Adapter","description":"\u003cp\u003ePower Tortoise switch machines or suitable layout accessories from this wall-plug adapter. It accepts 110V AC and supplies filtered 12V DC at up to 500mA, sufficient for up to thirty Tortoise machines under the manufacturer’s stated conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 7212\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636792632,"sku":"CIR7212","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-7212-ac-adapter-for-tortoise-switch-machines-other-uses.webp?v=1790530635"},{"product_id":"circuitron-1-4mm-mitey-lites-lamps-12-pack-7411-12","title":"Circuitron 1.4mm Mitey Lites Lamps – 12-Pack","description":"\u003cp\u003eInstall miniature lighting with twelve 1.4mm lens-end lamps. These 1.5V, 13mA lamps have 8-inch black wire leads and are intended for compatible model-lighting circuits. The illustration shows one lamp; the package contains twelve.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 7411-12\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045636890936,"sku":"CIR741112","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-high-output-lamps.png?v=1790530637"},{"product_id":"circuitron-1-7mm-high-output-mitey-lites-6-pack-7421-06","title":"Circuitron 1.7mm High-Output Mitey Lites – 6-Pack","description":"\u003cp\u003eLight model headlights or compatible effects with six 1.7mm lens-end lamps. Each is rated 1.5V at 75mA and has 8-inch black leads. The illustration shows one lamp from the six-pack.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Circuitron\u003c\/li\u003e\n\u003cli\u003ePart number: 7421-06\u003c\/li\u003e\n\u003cli\u003eApplication: Model railroad electronics and accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":53045637022008,"sku":"CIR742106","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/circuitron-800-742106-7mm-diameter-lens-end-w-8-black-wire-leads-1-5v-75ma.png?v=1790530638"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/collections\/circuitron.png?v=1790535834","url":"https:\/\/munclemikes.com\/collections\/circuitron.oembed","provider":"Muncle Mikes","version":"1.0","type":"link"}