Designed to operate electrical devices in car, boat and caravan. 15 A current-carrying capacity based on a cable cross section of 1.5 mm. 20 A current-carrying capacity based on a cable cross section of 2.5 mm. With protective cap, easy to mount, interior diameter 22 mm, panel thickness 0.8 ± 0.1 mm without lid, panel thickness 2 ± 0.1 mm with lid. Opening for insertion: 28 mm.