Flange with push-pull closure according to ISO/IEC 24702, IEC 61076-3-106 Var. 4 and in accordance with standards EN 50173-1 and EN 50173-3, easy to install using round wall cutouts with inserts for hole punching pliers available on the market, central screw fastening type, alternative fastening with 4 screws (M3), not included in delivery, can be mounted on the front and rear, industrial-grade housing with increased robustness, flammability class according to UL 94V-0, better chemical resistance, grounding via 2.8 mm flat plug on the RJ45 insert possible, one version for all flange inserts, suitable inserts: E-DAT Industry RJ45 field jack insert (T568A, T568B or Profinet), E-DAT Industry RJ45 coupler insert, E-DAT Industry USB coupler insert, OpDAT Industry SC-RJ/2SC adapter insert or OpDAT Industry LC-D adapter insert