The M12A-04BFFB-SR7001 part is an Amphenol M12 Connector with a size of 4-pin. It has an A-coded (screw-locking) receptacle with a shielded shell and reverse gender. It is approved to UL, CSA, and IEC standards. The connector has an IP67/IP69K rating, meaning that it is waterproof and able to withstand humidity and dust. It is suitable for use in industrial applications where high shock and vibration resistance is necessary, such as in automotive, marine and machinery automation.