Previous page Next page AHL Starter Solenoid Relay Relay is an electrical control device When the input (excitation) reaches a specified requirement,the relay causes a predetermined step change in the controlled quantity in the electrical output circuit.It has an interactive relationship between the control system (input circuit) and the controlled system (output circuit), and is mainly used in automatic control circuits to control the operation of larger currents through smaller currents, thus realizing the functions of automatic regulation, safety protection,and circuit conversion The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. video Merchant Video