Omron ultra-small timer for timing control; H3YN-4-B DC12Omron ultra small timer for timing control; H3YN 4 B DC12 About koeedmro At koeedmro. com, we are professionals in the field of industrial electronics. We specialize in the sales of industrial electronic PLCs, HMIs, Motors, Drives, Converters, and more. We proudly carry top brands including Siemens, Omron, FANUC, SCHNEIDER, Mitsubishi, Yaskawa, AB, and others. Our products are designed to help your business operate more efficiently and reliably. With