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Dual Frog Juicer - Automatic Frog Polarity Switcher
This product has been replaced by the new Universal Dual Frog Juicer that is compatible with all DCC systems including NCE PowerCab!
Click here to order the new Universal Dual Frog Juicer.
The Dual Frog Juicer
switches the polarity of the 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!
No Longer Available
Part No :
Each Dual Frog Juicer can control the polarity of DCC power for two frogs, a reversing loop, a turntable, a wye, or a crossing. It can also be used as a circuit breaker to control a power district (with the bonus it will reverse polarity if needed). It uses the same basic design as the hex frog juicer but has 33 Amp transistors so it can be used with multi-unit lashups and 10 Amp boosters. Setup is simple, connect the input to the DCC track bus, and connect the output wires either to two frogs or two rails.
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
If you have ever struggled with wiring up the frogs on a switch, then you will want to seriously consider using the Hex Frog Juicer. It is simple to use, and just plain works.
How The Dual Frog Juicer Works
The Frog Juicer consists of two microprocessor controlled SPDT electronic switches. Each switch can sense and control the polarity of one frog. A jumper controls whether the two outputs act as a pair (i.e. an auto-reverser) or independently (i.e. a pair of frog juicers). Another pair of jumpers controls the current set point for switching, either 2 Amps or 4 Amps. When used for frogs or crossings generally 2 Amps work best and for an auto-reversing application, 4 Amps generally works best. The frogs need to be electrically isolated and have no other connections to the track or DCC system.
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How The Frog Juicer Works
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Universal Hex Frog Juicer
Universal Dual Frog Juicer
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