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Last update 5/9/2021


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Lenz Decoders
Lenz Elektronik, GmbH
Lenz Power 3 USP Modules for Gold Decoders
Item Item Details
Lenz Power 3 USP Modules for Gold Decoders
Item Name:
Lenz Power 3 USP Modules for Gold Decoders
Item #:
Power 3
$77.50  $59.95
Average Rating:

Power 3 USP Modules for Gold Decoders

POWER-3 is an energy storage module for use with GOLD Series decoders. USP means "uninterruptable signal processing. " This storage unit supplies the decoder and the locomotive with power when there is an interruption of electrical connection to the track (e.g. dirty tracks).

The USP circuit of the GOLD decoders allows the decoder to receive the DCC signal without a direct electrical connection to the track. During the period where track electrical power is not present the USP circuit switches to the backup power provided from the POWER-1 storage module to ensure continued control of the motor. If digital information is no longer transmitted, the motor will be deactivated. This prevents the locomotive wheels from continuing to turn, for example: in the case of a derailment.

POWER-3 is like an "electronic flywheel", but thanks to the USP technology the stored energy is used only when necessary.

Current in amps

Time until the POWER-3 output voltage is less then 5V


8 Seconds


4 Seconds


2.6 Seconds




POWER- 3 storage devices can be used with Gold-JST and Gold MAXIs (large scales). The POWER-3 devoce is rather large for HO and S, but can be fitted into some tenders. Typically it is used for Large-Scale. POWER-3 measures 1.3" x .42" x x .98" (32 x 10.6 x 25mm) which can be used in S-scale and O-Scale and  Large-Scale.

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Power 3 USP Modules for Gold Decoders
Lenz Power 3 USP Modules for Gold Decoders

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