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.
Impulse relays are a form of latching relay that transfers the contacts with each pulse. Many impulse relays are made up of a. magnetic latch relay and a solid state steering circuit that, upon application of power, determines which position the relay is. in and energizes the opposite coil. The contacts transfer and hold that position when power is removed.