The BCS M12B4G2-PSC40D-S04K part is a M12 Connectivity System Panel Mount online interface from Balluff that advises indented feeler contacts in order to make and break electrical circuits. This M12 directional connector was designed to accept standard 8-pin female M12 plugs, and contains a locking barb for a secure fit. The polyamide construction ensures excellent mechanical stability, resistance and durability, making it tolerant to a wide range of environmental conditions and vibration. This threaded connection can be used for Ethernet and Power applications, and is rated to IP 67/68 for protection against dust, moisture, vibration and temperature fluctuations.