The Eaton Cutler Hammer E57-18GS05-AAB is a reliable inductive proximity sensor designed for various industrial applications. Featuring an 18mm diameter and a 5mm sensing range, this sensor provides accurate detection of metallic objects. It operates on a 2-wire AC system, offering a robust solution for automation and control systems..This is a 2-wire AC inductive proximity sensor from Eaton Cutler Hammer, model E57-18GS05-AAB. It has an 18mm diameter housing and a sensing range of 5mm. The sensor is shielded, indicating it is designed for flush mounting. It operates on AC voltage.