Eaton Iprox Series Tubular Inductive Proximity Sensor Enclosure, 0.71 dia, Sensor dist 8 mm, 300 mA max AC, 2 - Wire AC, NC, 300 mA at 132 Vac, 3 Pin Dual Key Micro Connector, 20-132 Vac input, < 1 of sensing dist. accuracy, Shielded