The A712-7.K03.941.101 is a Sensor Connector Insert manufactured by Hummel. It is a M12 plug with 4-pin contacts, plus PE (protective earth). The connector is especially designed for applications where extreme conditions such as under-water submersion, high temperature and pressure are present. The connector is constructed of a low weight and reliable high-performance plastic construction. It features a self-cleaning, circular cross-section and features a pushed in sealing sealing plug. Additionally, it provides excellent protection against vibration, shock, extreme weather, and saltwater, providing an excellent electrical connection.