Turck BI20U-CK40-AP6X2-H1141 Inductive Proximity Sensor

The Turck BI20U-CK40-AP6X2-H1141 inductive proximity sensor detects metal targets without contact, enabling long-range position sensing in conveyor systems, packaging machinery, and material handling equipment. Built on Turck's uprox+ technology, it delivers equal sensing distances for steel, aluminum, brass, and stainless steel and is resistant to magnetic fields. It operates from 10 to 30 VDC with a 3-Wire PNP normally Open output, draws up to 200 mA, and switches at about 0.25 kHz. The sensing distance is 20 mm, and it uses an M12 x 1 male connector with a rectangular PBT-GF30-V0 housing, rated IP68 for harsh industrial environments. Mounting is flush for surface-mounted installations, and the operating temperature range is -30°C to +85°C. Typical uses include long-range detection on conveyors, pallet handling lines, packaging machines, automotive manufacturing equipment, and other automated systems requiring reliable metal detection and PLC-controlled processes. Common replacements include BI15U-CK40-AP6X2-H1141, BI20U-QV40-AP6X2-H1141, and NI20-CK40-AP6X2-H1141.