電線許容電流ブレーカー接触器開閉器選定Breaker is an Android app that allows you to select breakers, contactors, and openers for three-phase motors. The app also provides information about the permissible current and wiring size of the ground wire for different types of wires on a separate screen.

The selection process for breakers, openers, and contactors is straightforward. By selecting the manufacturer, motor voltage, and motor capacity on the spinner, the app displays the equipment and wiring size selected based on the conditions. The app provides information such as rated current, breaker capacity, direct-on-line opener, wires, and contactors. Note that the results are for reference only, and appropriate considerations must be made based on usage conditions.

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