Selling and Administrative Expenses, also called Selling, General and Administrative Expenses, are the net operating expenses of the business that are not part of the cost of goods sold. Examples of selling and administrative expenses include advertising and the salaries of people not directly related to manufacturing a product, as well as recurring expenses as insurance and rent.
For those of you wondering, what is a protection relay? Littelfuse has the answer. A protection relay is a smart device that receives inputs, compares them to set points, and provides outputs. Inputs can be current, voltage, resistance, or temperature.
Relays. The relay, in robotics, is almost always used to isolate the power meant for motors, from the power supply for computer function. Motors, because of their low impedance, make heavy current demands on power supplies and create multiple glitches that computers can not tolerate.