Mercateo electrical components German Mercateo models Mercateo prices

Mercateo electrical components refer to electronic components that can open a circuit, interrupt current flow, or direct it to other circuits. The most common switches are manually operated electromechanical devices with one or more electrical contacts. "Closed" contacts indicate conduction, allowing current to flow; "open" switches indicate non-conduction, forming an open circuit and preventing current flow. The simplest switch consists of two metal pieces called "contacts"; when they touch, current forms a loop, and when they do not, the current path is open. When selecting contact metals, consider