Rail socket for the high-voltage 3-phase rail system. The socket, which is available in several color versions, is suitable for connecting devices of protection class I (Schuko system) or protection class II. In addition to a slow-blow 6.3A fuse, the rail socket also has a feed-in option. Please note that the shade of white will change from RAL 9010 to RAL 9016 (traffic white) from April 1, 2018.