Snap Action Twin-Coil 3-Wire System

snap_action_baseOperate your traditional 3-Wire Twin-Coil switch machines with Touch Toggles.

Our Snap-Action Base unit gives the Touch Toggle system the ability to control the traditional 3-wire twin-coil switches from BachmannPeco, and any of the N, HO, or O scale machines that operate on 12 volts. This base works with any style of our Touch Toggles.

We offer this base alone, or in a package with four Touch Toggles or Mini-Cup Toggles of your choice.

Precise timing and charging circuits ensure that every machine gets the exact power it needs, and no machine will be left on to overheat. The outputs should never overpower even a small switch machine. Each Snap Action Base will control up to four 3-wire switch machines, and will daisy-chain side by side with other 12v bases to share a common power supply.

The high-powered outputs can handle a 30 amp surge, so they are quite sturdy against all but the most hard wired direct shorts, so that users (like us) won’t ruin their investment or their fun by being too casual about connections. We couldn’t make the output truly short-proof and still give the Oomph needed to throw some of the more stubborn switch machines. We’re sure enough of our gear that if you promise to be careful when you connect your wires, we’ll cover the replacement of your investment the first time it fails from an accidental overload. (Note that we can’t warrantee boards against being hooked up with reversed polarity, so be careful) We really wanted to produce a board that could take any kind of abuse, but we found that every available twin-coil drivers could be damaged by a complete short, so we had to give up on that at least for now.

The Snap Action Base is approximately 2-3/4″ wide, 2-1/2″ deep, and 1-1/4″ tall. (70mm x 63mm x 32mm). Mount with four – #6 (5mm) screws.

Use an Input Splitter to operate two or more switches together

Each twin-coil machine should be connected to it’s own output for full power operation. Our Input Splitter lets you control 2 or 3 inputs from the same Touch Toggle.

You can also use an Input Splitter and a Relay Base to add contacts to any turnout!

The Snap Action Base works great at voltages up to 24 volts. Older Atlas, Bachmann, and LifeLike machines need 18 to 24 volts to operate. Order our Higher Voltage Supply to deliver a bit more punch.

We sell Terminal Power Adapters, so it’ll be easy enough to wire your own. Please read About Power for Touch Toggles for detailed information.

Please contact us about any special situation you have. kevin@berretthill.com

Kato and other Polarized Switching is here!

Two-wire polarized machines like Kato and Rapido Trains have special requirements. These machines use a similar design to the 3-wire boards, but have only two wires with reversing current. Read about them here.

Legal stuff: This product contains chemicals known to the state of California to cause cancer (lead). Unused or retired products should be recycled properly or may be returned to Berrett Hill for disposal in accordance with RoHS standards.

We manufacture our products in the USA. Orders over $100 include free shipping to US addresses.

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