Modern HO locomotive motors, on the other hand, typically require. Consequently, if you have a collection of older locomotives or model in scales larger than HO, motors may require as much as 1.5 amps, each. Motors have changed a lot over the last 30 years, and the amount of current they require has decreased greatly. First, consider the locomotives and scale. So how many boosters do you need? That depends on how many locomotives, lighted cars, and accessories you plan to operate using track power. In most cases both boosters’ self-protection circuits would kick in, but it’s best to plan for the worst-case scenario. This is especially true if the boosters are from different manufacturers. In some circumstances, such as when a locomotive derails and shorts out across track gaps powered by two different boosters, it’s possible for a higher-powered booster to feed current back into the lower-powered unit, possibly causing it to fail. Instead, several smaller units or power managers may be a better option.Īlso, mixing units with different output capabilities isn’t a good idea. It’s important to realize it isn’t necessarily better to use the highest amperage unit available. The new Digitrax command stations and boosters allow this adjustment using an advanced throttle.īoosters are available in various amperages. However, some boosters and command stations have external switches ❶ for broad adjustments and internal potentiometers that allow fine tuning of this setting. Some command stations and boosters are voltage followers – in other words, their output is close to the input voltage. First, make sure you can easily adjust the output voltages to match. When adding boosters to your existing command station, there are a few considerations to be aware of.
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