EATON Cutler-Hammer Series Proximity Sensor, 2-Wire Straight Unshielded, Series: E57 Premium+, Inductive Sensing Method, 8 mm Sensing Distance, End Sensing Position, <3 % Accuracy, 1NO Contact Configuration, 20 to 250 VAC, 250 mA, 3-Pin Dual Key Micro AC Connection, 2.74 x 0.71 x 0.71 in Size, NEMA 4/4X/6/6P/12/13/IP67 Enclosure, -13 to 158 deg F, Non-Flush Mounting, 303 Stainless Steel, Environmental Conditions: 10 to 55 Hz, 1 mm Amplitude Vibration