LK Reverse Loop Module. The problem with reversing loops: Every user of 2- rail DC knows the ‘reversing loop’ blues: Including a reversing loop in a 2-rail. LENZ LK Digital reverse loop module. The LK requires no end user adjustment and is designed to handle the most complex of reverse loop situations. Reverse Loop Module – Lenz – LK Lenz Elektronik GmbH RailCom Address Display — (Use Only w/Gold Decoders, and RailCom Enabled Systems).

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Lenz 12200 Reversing Loop Module Lk200

This newly developed LK module was designed to fully automate the operation of both simple and complex reversing sections Wiring is very simple.

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Therefore, the track has to be gapped on both sides of the reversing loop. While the train is in the loop, the polarity is changed, so that there is lrnz short circuit at the exit of the loop. In any case, the train has to be stopped while traversing the loop. Including a reversing loop in a 2-rail DC layout leads to a short where the reversing loop ties into the main line.


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Maximum Load is 5 Amp

Usually, the polarity is selected such that there is no short circuit upon entry into the loop. All other marks are own by their respective owners. This newly developed LK module was designed to fully automate the operation of both simple and complex reversing sections.

Get in Touch with us Socially. On NMRA DCC digitally operated layouts, the direction of the train is independent from the polarity on the track, therefore, the polarity of the reversing loop can be changed without stopping the train or changing it’s direction.

Every user of 2-rail DC knows the ‘reversing loop’ blues: Customer Reviews Create your own review. Or go to the cookie policy for more information and preferences. To accept llk200 continue browsing as normal.

One still has to ensure that the rails are not short circuited upon entry or exit of the reverse loop. On conventional layouts, this leads to a problem: Changing lk00 polarity in the reversing loop will change the direction of the train, since it lk020 dependent on the polarity.


Wiring is very simple. The LK works according to the fault current principle, with track polarity reversal occurring at mA fault current. Therefore, the direction has to be changed at the power pack, too, so that the train keeps moving in the same direction.

Lenz Reversing Loop Module Lk | eBay

They are stored locally on your computer or mobile device. They help us to know a little bit about you and how you use our website, which improves the browsing experience and marketing – both llenz you and for others. There is no need for additional control connections, sensor tracks or user adjustments. Two wires connect into the track in the loop and two wires go to the main line, before the gaps.

Basic Reversing Loop The only way to prevent this short circuit is to insulate both sides of the track. A single two-rail gap is not enough, since a passing engine will short the rail through the electrical pick-up on both sides of the gap.