This article discusses an innovative device designed to determine the value of the steady-state current in the primary circuit of electrical installations using reed switches and a microprocessor without the use of current transformers. The typical structure of relay protection devices is considered. The main elements are presented. https://www.diegojavierfares.com/best-price-TaylorMade-P790-Aged-Copper-Irons-Steel-super-grab/