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Locomotive Decoder DH18A-4
for Selectrix®, Selectrix-2, DCC and analogue



Decoder Discount is available for this produkt!

Brief description

The DH18A-4 is a small Next18 locomotive decoder with dimensions 9 x 13,5 (mm) and SUSI for Selectrix, Selectrix-2, DCC and analogue with a maximum load of 1.0 A.


Instructions provided by Döhler und Haass


No. Mfr.No. Design Price** D* Amount
465 DH18A‑4
Next18, 1,0A, SX, SX2, DCC, Analog
30,90 €     
* delivery times, see notes on delivery time
** all prices incl. 16% VAT and plus shipping costs


The D&H decoder DH18A-4 is a locomotive decoder for Selectrix®, Selectrix-2 and DCC with a maximum load of 1,0 A.

The heart of this decoder is an ASIC chip with 28.000 devices, especially tuned for the high requirements of steering model railway locomotives.


The locomotive decoder DH18A-4 can be used in combination with all central units that support at least one of the data formats: Selectix®, Selectrix-2, DCC.

Here is an incomplete list: Professional Central Unit ZS1, Digital Central Unit ZS2, MÜT MC2004, Rautenhaus, Trix, Uhlenbrock Intellibox, Fleischmann Twin-Center.

Connectivity variants

The loco decoder DH18A-4 comes with Next18 connector.

The following table lists all D&H loco decoders of the DH series:

Connectivity variant DH05 DH10 DH12 DH16 DH18 DH21
Without connection wires DH05-0 DH10-0 - DH16-0 - DH21-0
With 6-pinned ribbon cable for interface per NEM651 DH05-1 DH10-1 - - - -
With 8-pinned connecting cable for interface per NEM652 - - - DH16-2 - DH21-2
With higly flexible stranded wires DH05-3 DH10-3 - DH16-3 - DH21-3
With PluX connector (or similar) - - DH12-4 (PluX12) DH16-4 (PluX16) DH18-4 (Next18) DH21-4 (MTC-21)
Technical specifications
  • Dimensions (mm): 13,5 x 9,0 x 2,8
  • Maximum motor current: 1,0 A
  • Maximum operating voltage: 30 V
  • Function outputs light (LV, LR): 150 mA each
  • Function outputs AUX1, AUX2: 300 mA each
  • Function outputs AUX3, AUX4: nicht vorhanden
  • Total load: 1,0 A
  • SUSI interface: available
Included in delivery
  • Locomotive decoder DH18A-4 with Next18 connector
  • User manual