Turck
Turck Bi20U-CK40-AN6X2-H1141 inductive sensor NPN 20 mm 10-30 VDC M12 connector
Rectangular inductive sensor detects all metals at 20 mm with NPN output, 10–30 VDC supply, IP68 rating and M12 connector
- TypeTest Equipment
- Item Count1 pack
- Selling UnitBox
- Parts3 Years
- Labor1 Year
- 20 mm sensing range detects all metals at equal distance
- IP68 protection withstands harsh industrial environments
- Magnetic field resistance ensures reliable operation near welding equipment
- M12 connector enables quick installation and replacement
- 10–30 VDC supply voltage suits standard automation systems
Industrial inductive sensor
The Turck Bi20U-CK40-AN6X2-H1141 is a rectangular inductive sensor rated for a 20 mm switching distance on all metals. It operates on 10 to 30 VDC and provides an NPN normally-open output through an M12 × 1 male connector. The Factor 1 design gives identical sensing range on ferrous and non-ferrous targets.
Sealed housing and magnetic immunity
The PBT-GF20-V0 housing meets IP68 protection class and resists magnetic fields, making it suitable for harsh industrial environments. High-luminance corner LEDs show supply voltage and switching state from any viewing angle. A high switching frequency supports fast automation cycles without overheating.
Flexible mounting and wiring
The active face can be oriented in five directions and the sensor mounts flush in a 65 × 40 × 40 mm footprint. A 3-wire DC connection simplifies installation in control cabinets. The unit weighs 184 g and carries order number 1627231 for easy reordering.
Highlights
- 20 mm sensing range detects all metals at equal distance
- IP68 protection withstands harsh industrial environments
- Magnetic field resistance ensures reliable operation near welding equipment
- M12 connector enables quick installation and replacement
- 10–30 VDC supply voltage suits standard automation systems
Specifications
| Brand | TURCK |
|---|---|
| Model | Bi20U-CK40-AN6X2-H1141 1627231 |
| Type | Test Equipment |
| Item Count | 1 pack |
| Selling Unit | Box |
| Parts | 3 Years |
| Labor | 1 Year |
Questions about this item
How do I install the sensor and orient the active face, and what step do people often miss?
Mount the rectangular CK40 housing flush using the 65 x 40 x 40 mm footprint, then rotate the active face to one of its five selectable directions before tightening; the step often missed is confirming the face orientation after the housing is secured.
What maintenance or replacement will this inductive sensor need over time?
The sensor has no moving parts or user-serviceable components; under normal conditions it requires only periodic visual checks of the PBT-GF20-V0 housing and M12 connector for damage or contamination.
At what switching frequency does the 20 mm rated distance start to degrade under sustained operation?
The sensor is rated for high switching frequency with Factor 1 on all metals, and the 20 mm switching distance remains valid across the full 10…30 VDC range; the first limit under sustained use is thermal, governed by the IP68-sealed housing.
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