Mono Frog Juicer - Automatic Frog Polarity Switcher

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Mono Frog Juicer - Automatic Frog Polarity Switcher

The Mono Frog Juicer automatically and instantly switches the polarity of a single frog as the engine passes over the turnout. No more complicated wiring or electro-mechanical switches are needed. Instead you simply connect power to the Frog Juicer and a single wire to the frog. The Frog Juicer takes care of the rest!

Regular Price: $13.99

Quantity in Stock :28
Availability : Additional stock - 3 to 5 days.
Part No : MFJ001

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Description

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Mono Frog Juicers automatically control the polarity of a single isolated frog in DCC powered trackwork. These units are ideal for automating single turnouts and wyes. Multiple units can be used to automate pieces of trackwork with multiple isolated frogs such as double slips switches, three ways, double crossovers and crossings.

Mono Frog Juicers function the same as the Hex Frog Juicer, but instead of controlling up to 6 frogs, Mono Frog Juicers control a single frog.

Eliminates the need for mechanical switches to switch the frog polarity when the turnout is switched
Instant switching means no interruption to the engine or loss of sound
Significantly simplifies frog wiring - especially for crossings and double crossovers
Compatible with any DCC system (It will not work with DC)
Simple to connect
An economical alternative to using a Hex Frog Juicer if only a single frog needs to be controlled.
Can be installed close to the trackwork being controlled, no need for long feeders.

If you have ever struggled with wiring up the frogs on a switch, then you will want to seriously consider using the Mono Frog Juicer. It is simple to use, and just plain works.

How The Mono Frog Juicer Works

The Mono Frog Juicer consists of a microprocessor controlled SPDT electronic switch. This switch can sense and control the polarity of an isolated DCC controlled frog. When the circuit detects a short greater than about 1.7 amps (plus/minus 10% with 2 amps the upper limit), it instantly switches the polarity of the frog. Two amps is below the reverse polarity detection point for most DCC circuit breakers and booster units so that the Frog Juicer will react before a fault is detected. In addition, the Frog Juicer switches so quickly that the brief current pulse will go unnoticed by the DCC system. Two amps is also enough current to power a single locomotive, and since only one locomotive can be on a frog at a time it is all the power that you need. The frog needs to be electrically isolated and have no other connections to the track or DCC system.

Dimensional Diagram (Click to Enlarge)