R-K Electronics manufactures a wide variety of electronic automation control components for the electrical controls industry. We cover very low voltage intrinsically safe relays (no sparking in hazardous areas) up to 600 volt three phase monitoring controls. In addition to our standard line of products R-K also designs and manufactures custom processor based embedded controllers for our OEMs. These are dedicated PLCs with the hardware, programming and packaging that is specifically designed to what our OEMs need to operate their equipment.