Protection Products for Panels Safety, efficiency, and smart design are essential for panel designs. Littelfuse Protection Products for Panels feature a wide range of DIN-mountable control and circuit protection products designed for a variety of control product applications, including electrical control panels. Using quality parts within these control panels keeps equipment running longer, reducing maintenance repairs and downtime. Littelfuse Protection Products for Panels offer space-saving case sizes, plug-and-play setup, indication features on fuses and fuse holders, remote BLUETOOTH® communications, and more.