The BKL Electronic 072311 is a grey, fully insulated vertical jack socket with a 4 mm pin diameter. It is typically used in laboratory environments and safety applications for secure and reliable connections. This single-piece connector is designed for integration with Hirschmann components and other compatible systems. https://elecena.pl/product/28314630/bkl-072311-jack-socket-4mm-pin-grey-w-insulation-cap-m6-nut 2025-04-10 https://elecena.pl/product/28314630/bkl-072311-jack-socket-4mm-pin-grey-w-insulation-cap-m6-nut 2026-06-24