4521017 is a type of Lapp Kabel cable used in automation systems. It is a single-conductor, rubber-insulated and stranded copper conductor cable. It has a black PVC outer sheath, as well as a temperature resistance of up to 90°C. In addition, it is oil resistant, halogen free, light weight and UV resistant. This cable can be used in a variety of applications, including motor control, lighting circuits, and signal transmission.