WTB4SL-3N3261
Product ID:57977
Updated: 2026/7/8
Key Features
- 1High-Precision Laser Light Spot: Detects tiny objects like syringe needles and wires with precision.
- 2Background Suppression: Reduces incorrect switching due to ambient light, ensuring reliable operation.
- 3Robust Design: Durable housing with IP66 and IP67 ratings for harsh industrial environments.
- 4Adjustable Sensitivity: Offers flexibility with teach-in button, 5-turn potentiometer, or cable adjustment.
- 5Long Service Life: Average service life of 50,000 hours at +25°C ambient temperature.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
| Sensing range max. | 25 mm ... 300 mm | Sensing range | 25 mm ... 300 mm |
| Emitted beam_Light source | Laser2) | Emitted beam_Type of light | Visible red light |
| Emitted beam_Light spot size (distance) | Ø 1 mm (170 mm) | Key laser figures_Normative reference | EN 60825-1:2014, IEC 60825-1:2014 / CDRH 21 CFR 1040.10 & 1040.11 |
| Key laser figures_Laser class | 1 | Key laser figures_Wave length | 650 nm |
| Adjustment | Potentiometer, 5 turns | Special applications | Detecting small objects |
| Mounting hole | M3 | Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 V | Current consumption | 30 mA |
| Protection class | III | Digital output_Type | NPN4) |
| Digital output_Switching mode | Light/dark switching4) | Digital output_Output current Imax. | ≤ 100 mA |
| Digital output_Response time | ≤ 0.5 ms5) | Digital output_Switching frequency | 1,000 Hz6) |
| Output function | Complementary | Circuit protection | A7)#!#B8)#!#C9) |
| Housing | Rectangular | Design detail | Slim |
| Dimensions (W x H x D) | 12.2 mm x 41.8 mm x 17.3 mm | Connection | Cable with M8 male connector, 4-pin |
| Connection detail_Conductor size | 0.14 mm² | Connection detail_Length of cable (L) | 120 mm1) |
| Material_Housing | Plastic, Novodur | Material_Front screen | Plastic, PMMA |
| Material_Cable | Plastic, PVC | Weight | 57 g |
Specifications may be subject to change without notice
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