Product Model
WTB4FA-31A11120ZZZ

Selling Points
- 1Advanced Background Suppression: The WTB4FA-31A11120ZZZ offers robust background suppression for reliable object detection.
- 2Adjustable Sensing Range: With a sensing range of 7 mm to 150 mm, this sensor is versatile for various industrial applications.
- 3LineSpot Technology: Utilizes LineSpot technology for enhanced detection accuracy and reliability.
- 4High User-Friendliness: Quick and convenient commissioning and operation make it easy to integrate into your system.
- 5Durable Construction: Built with high-quality materials, ensuring long-lasting performance in challenging environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression, LineSpot technology |
Sensing range_Sensing range min. | 7 mm | Sensing range_Sensing range max. | 150 mm |
Sensing range_Adjustable switching threshold for background suppression | 15 mm ... 150 mm | Sensing range_Reference object | Object with 90% remission factor (complies with standard white according to DIN 5033) |
Sensing range_Minimum distance between set sensing range and background (black 6% / white 90%) | 1 mm, at a distance of 50 mm | Sensing range_Recommended sensing range for the best performance | 30 mm ... 80 mm |
Emitted beam_Light source | PinPoint LED | Emitted beam_Type of light | Visible red light |
Emitted beam_Shape of light spot | Line-shaped | Emitted beam_Light spot size (distance) | 1.4 mm x 19 mm (50 mm) |
Emitted beam_Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) | < +/- 1.5° (at Ta = +23 °C) | Key LED figures_Normative reference | EN 62471:2008-09 | IEC 62471:2006, modified |
Key LED figures_LED risk group marking | Free group | Key LED figures_Wave length | 635 nm |
Key LED figures_Average service life | 100,000 h at Ta= +25 °C | Adjustment_Teach-Turn adjustment | BluePilot: For setting the sensing range |
Indication_LED blue | BluePilot: sensing range indicator | Indication_LED green | Operating indicatorStatic on: power on |
Indication_LED yellow | Status of received light beamStatic on: object presentStatic off: object not present | Supply voltage UB | 10 V DC ... 30 V DC |
Ripple | ≤ 5 V | Usage category | DC-12 (According to EN 60947-5-2)#!#DC-13 (According to EN 60947-5-2) |
Current consumption | ≤ 25 mA, without load. At U#!#= 24 V | Protection class | III |
Digital output_Number | 1 | Digital output_Type | PNP |
Digital output_Switching mode | Light switching | Digital output_Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V |
Digital output_Output current Imax. | ≤ 100 mA | Digital output_Circuit protection outputs | Reverse polarity protected |
Digital output | Overcurrent protected | Digital output | Short-circuit protected |
Digital output_Response time | ≤ 500 µs2) | Digital output_Repeatability (response time) | 150 µs |
Digital output_Switching frequency | 1,000 Hz3) | Pin/Wire assignment_Function of pin 4/black (BK) | Digital output, light switching, object present → output Q HIGH |
Housing | Rectangular | Design detail | Flat |
Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm | Connection | Cable with connector M8, 3-pin, 110 mm |
Connection detail_Deep-freeze property | Do not bend below 0 °C | Connection detail_Conductor size | 0.14 mm² |
Connection detail_Cable diameter | Ø 3.4 mm | Connection detail_Length of cable (L) | 77 mm |
Material_Housing | Plastic, VISTAL® | Material_Front screen | Plastic, PMMA |
Material_Cable | Plastic, PVC | Material_Male connector | Plastic, VISTAL® |
Weight | Approx. 30 g | Maximum tightening torque of the fixing screws | 0.4 Nm |
Specifications may be subject to change without notice