Need Analysis: The Triad of Power Application Selection! These are the three key items one will need to know before selecting a power product. We call this the "triad" in power. There is something going IN, something going OUT and how MUCH of the something in all systems. A system designer can evaluate a detailed wish list of parameters, once each point in the triad is defined. Consider the following: Voltage Input: This is a number and type. Examples like 240Vac or 130Vdc Voltage...