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UHLENBROCK - 73400 - Mini decoder, Multi, DC, regulator


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73400 - Mini decoder, Multi, DC, regulator

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Multi-protocol decoder with load regulation for DC and Faulhaber motors


  • • Regulated Multi-protocol decoder for DCC, Motorola

  • • Suitable for DC and Bell armature motors up to 0.6A

  • • Quiet motor running with 18.75 KHz control frequency

  • • 14, 27, 28, 31 and 128 speed steps depending on the data format

  • • Short (1-127) and long (128-9999) addresses

  • • NMRA compatible

  • • Minimum, maximum and middle speeds adjustable

  • • Speed step table for 14, 28 and 31 speed steps

  • • Main line programming (DCC)

  • • Shunting speed (half speed) switched with F3

  • • Direction dependent, dimmable lighting switched via F0

  • • With solder pads for connecting Uhlenbrock IntelliSound modules or LISSY Mini transmitter

  • • Reacts to DCC brake signal (e.g. from Power 3) “Brake diode” or braking section in DC operation.

  • • All outputs have short circuit protection

  • • Conventional DC operation with automatic switching between DC and digital mode

  • • All CVs programmable by digital devices with DCC and Motorola formats

  • • Programmable via register, direct CV or page mode in DCC operation

  • • Updatable using Flash memory

  • • 6 pole NEM 651 connector


10.8 x 7.5 x 2.4mm

Locomotive decoder 73 400 is a small, efficient, multi-protocol decoder.

It can be operated in DCC and Motorola digital systems and also runs in DC analogue mode.

The operating mode will be detected automatically but can also be locked manually.

The decoder operates with a frequency of 18.75 KHz and is therefore well suited for DC and especially for Bell armature motors (e.g. Faulhaber, Maxon, Escap) up to a maximum power load of 0.6A.

Short burst start up currents are tolerated.

Motor characteristics can be controlled either by setting the minimum, maximum and middle speeds or via various CVs for individual speed steps.

Load regulation can be control via regulation parameters to a variety of individual motors.

The decoder provides two direction dependent lighting outputs.

Using F3 and F4 a shunting mode for slow speeds and Start/braking inertia can be activated.

The decoder can be programmed with the Intellibox, DCC and Märklin controllers.

CVs can be programmed with all devices.

UHLENBROCK - 73400 - Mini decoder, Multi, DC, regulator

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Product Description

73400 - Mini decoder, Multi, DC, regulator

10.8 x 7.5 x 2.4mm

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