Button PC1, PC2, PC19, PC22

Buttons are designed for switching electrical circuits of direct and alternating current in radio electronic equipment. PC1 - designation of the button type (PC1, PC2, PC19, PC22); letter C - version of the cover of the button (C - light composition, E - enamel, indicated only for the buttons PC1 and PC2); digit 1 - after the hyphen - the standard number that determines the electrical switching modes (1, 2 or 3, the nominal number 2 for the buttons PC19 - not specified, see more); letter B - climatic performance B;