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The DigitalBooster DB-4 provides 2.5 or 4.5 Ampere digital current and supports the digital formats Märklin-Motorola, mfx®, M4 and DCC. With the galvanic separated booster bus connection (5-poles-, CDE- and Roco-booster bus) is it possible to use it on several command stations.

DigitalBooster	DB-4	file	edition
Assembly instruction	Kit	PDF	09/2022
Manual	Kit and finished module in a case	PDF	09/2022

The DigitalBooster DB-4 does not get the power supply from a common model railway transformer but from the DB-4 PowerSupply on which the stabilized digital track voltage of 15, 16, 18, 19, 20, 22 and 24 Volt can be adjusted in accordance to the track gauge.

Switching Power Supply	DB-4 PowerSupply	file	edition
Operating instructions	Finished module in a case	PDF	09/2022

5-poles booster bus-cable with twisted wires and interference protected for the connection of digital control units (e.g. Control Unit, Central Station 2, Intellibox, TWIN-CENTER) with boosters (e.g. 6015 / 6017, Power 3, TWIN-BOOSTER, DB-2, DB-4) and for connecting boosters to each other.

Cable	Kabel Booster 1m	file	edition
Operating instructions		PDF	09/2022

Roco booster bus-cable for the connection of the DigitalBooster DB-4 with Roco 10761/10764 and Fleischmann 680801, multiZENTRALEpro, z21/Z21 and Digikeijs DR5000.

Cable	Kabel Roco 1m	file	edition
Operating instructions		PDF	09/2022

All examples are available on the following page: sample connections for DB-4

Subject to technical changes and errors.
© 2022 by LDT

_{Märklin and Motorola are registered trade marks.}