The Omron H3RN-1-B Relay and Base Unit is a time relay designed for industrial applications. Made in Japan by the reputable brand Omron, this product is a reliable choice for electrical equipment and supplies. The H3RN-1-B model is suitable for various control systems and offers accurate timing functions for efficient operations in both commercial and industrial settings. With its compact design and easy installation, this time relay is a versatile solution for automation and control systems.