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Function Decoders

Function decoders offer ONLY auxilliary/function outputs, and DO NOT have output for controlling motor or sound.

They have a wide variety of applications, but most commonly used to add lighting, smoke, or auto-coupling control to a vehicle that has no motor. For example, many modern steam locos have a DCC decoder socket in the tender, which gives control of the motor, so a separate function decoder can be added in the boiler of that loco to provide control of loco lamps, firebox glow and other special features.

Another common use is to provide DCC control of coach lighting, which is particularly effective where the decoder supports a stay-alive capacitor which helps eliminate flicker.

Zimo MX688N18 15x9.5x2.8mm
0.7A 8 Functions
Next18
£20
ECONOMY
MX688N18Next18Add to basket

Zimo MX681
12x8.5x2.2mm
0.6A 6 Functions
Available in 6pin direct version (N) or wires only version
£20
ECONOMY
MX681Wires-onlyAdd to basket

MX681N6pin DirectAdd to basket

temp out of stock

Zimo MX685 20x11x3.5mm
1A 8 Functions
wires-only version
£20
ECONOMY
MX685wires onlyAdd to basket

Zimo MX686 20.5x15.5x4mm
1.2A 8 Functions with stay-alive facility
wires-only version
£25
MX686wires onlyAdd to basket

Zimo MX687W 28x15.5x4mm
1.2A 8 Functions with stay-alive facility, full feature/power version of MX686
wires-only version
£34
MX687Wwires onlyAdd to basket



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