SSR-DD series of DC solid relay is vastly applied to output joggle of computer and external equipments, it is also appliDD系列直流固态继电器广泛应用于计算机与外部设备的输出接口，适用与控制或开关直流负载：直流继电，接触器、直流电动机、各类电热器具；直流电磁阀，电磁铁、螺线管、白炽灯、指示灯；PLC逻辑电器。