The Fuseholder R3-11 is a mountable plastic fuse holder for 5 × 20 mm fuses rated at 250 V and 10 A. It uses a threaded mounting design with nut and provides a solder-tail connection. The slotted bayonet cap can be removed with a screwdriver. The black housing has a mounting diameter of 1.25 cm and overall dimensions of 3.5 cm length and 1.5 cm diameter.