If the Hirschmann STAK3N and STAS3N plug-in device is available, no accessories are required. If the plug-in device is not from Hirschmann, you will need the following items:
STAK3 N coupling (black) Art. No. 70000083
Plug STAS3 N (black) Art. No. 70000084
The safety clip is also available as a spare part in the accessories:
STASI3 N fuse bracket - Art. No. 70000085