Photoelectric Sensors (Background Rejection, Block Style): Type - Inductive Proximity, General Purpose; Sensing Range - 25 mm; Voltage Range - 10-30V DC; Output Configuration - N.O.; Connection Type - Connector, 4-pin; Connection Size - 7/8-16UN; Construction Style - Cube Style; Sensing Position - Side; Shielding - Unshielded; Wires - Voltage Type - 3-Wire DC; Material - Plastic; Enclosure Rating NEMA - NEMA 1, 3, 4, 6, 13; Enclosure Rating IEC - IEC IP67; Switching Frequency - 1500 Hz; Temperature Rating - -25 deg C (-13 deg F)-70 deg C (158 deg F); Load Current - max - 200 mA; Nominal Dimensions - 2.69x1.57x1.57" (68.5x40.0x40.0mm)