CN N scale decoder

TCS:1278 TCS CN The Classic N is a revolutionary new type of N-Scale decoder.

Price: $96.80
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TCS 1278 – CN - N scale decoder for Atlas, Kato and Intermountain Locomotives


The Classic N is a split type of N-Scale decoder. It is a lighting board replacement decoder for "classic" split lighting board locomotives. It requires a small amount of soldering, but it circumvents the need for milling. The CN comes with onboard sunny white, super-bright, forward and reverse LEDs.

The "Classic N" decoders also include: 

  • ·         Back EMF Load Compensation: Provides superior slow speed control and high performance under load.
  • ·         Quiet Drive: Super-quiet motor control for "buzz" free motor performance.
  • ·         DC Mode: Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.
  • ·         Variable Momentum: Allows you to make custom acceleration and deceleration curves.
  • ·         Function Remapping: Buttons 0 through 12 may be used to control the lighting functions of this decoder.
  • ·         Programmable Lighting Effects: Choose from 20 separate user-programmable lighting effects!
  • ·         Dimmable Brightness: Configure multiple different brightness levels for your LED's or incandescent bulbs.
  • ·         Decoder Lock: Feature which prevents accidental/unwanted programming while activated.
  • ·         Airwire™ Compatible: Fully compatible with Airwire™ operation.
  • ·         User-Loadable Speed Tables: Configure custom speed curves and set speed limits.

Currently confirmed positive CN installations are:  


GP7/GP9 Old Style, GP30/GP35 Old Style, SD35/SD50/SD60/SD60M, 



GP40 DCC Ready

GP9 DCC Ready


GE  C30-7, U30C


SD40T-2 and others

See the installation pages for a full list of compatible locomotives.


Dimensions:               19.9mm x 9.17mm x 2.6mm

or 0.78" x 0.36" x 0.1"

Functions:                 2

Function rating:         80mA (each output)

Continuous/Peak:       1.0/2.0 Amp

Onboard LEDs:          2

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