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Electronic Hobby Products and Custom Electronic Circuits

Updated 01/01/22.  Added to FAQ, Application Notes and Instruction Sheets.  Added ZipZ™.  Please check back soon.

Model Railroad Electronics

The Circuitron Catalog and Application Book is now 60+ pages long, weighs over half a pound and contains 12 pages of model railroad applications as well as complete descriptive information on all our grade crossing flashers, detection circuits, sound, block signal, special lighting and train control circuits. You may order our #302 Catalog through the mail (for US addresses) by sending a check or money order for $10.00 to the address below.  You will receive a 10% Discount Coupon along with the catalog that may be applied to your first order.  At this time we do not accept PayPal or credit cards.

The Divisions and Special Products of Circuitron, Inc.

Wide selection of ultra-high quality miniature and sub-miniature incandescent lamps and Hyper-Brite™ Light Emitting Diodes for use in models and signals.  Great for structure, locomotive and rolling stock lighting.

HO Scale styrene and white metal kits of construction and maintenance equipment.  Model detailing and Scratch-Building materials and supplies.

Simply…...The Best!

The TORTOISE™ Slow Motion Switch Machine is the most popular and respected switch machine in the US.

3 second throw, bulletproof stall motor design, DPDT contacts, simple under-layout installation.

And for the DCC user:

The SMAIL™ is a TORTOISE™ with a built-in DCC decoder that provides simplified wiring and control directly from your DCC cab.  Compatible with nearly all DCC systems.  Also has a DC mode for crossing gates and 3 position Semaphore signals.  No additional logic or drivers needed.

Progressive Model Design's extraordinary artists and model-makers specialize in designing and building custom model railroad layouts featuring flawless trackwork, unique scratch-built structures, remarkable custom painting and amazing scenery detail for Proto-Realistic™ miniature scenes.  Experts in Digital Command Control, custom signaling, detection circuits, animated details and control systems.  We can help with existing projects and work with you -- or we can start from scratch and do it all. 



211 RocBaar Drive

Romeoville, IL  60446-1163

(815) 886-9010   FAX: (815) 886-9076

E-Mail:  Info@Circuitron.com

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View our Complete Product Listing On-Line. Coming Soon!

Click Above to Download Catalog in Adobe Acrobat™ (PDF) format.

How to Place a Direct Order

FAQ, Instructions Sheets and Application Notes for all our Products. 

If you need further Information, here’s how to get in touch.