Product Model
WTB12-3N1131

Key Features
- 1Advanced Sensing Range: Detects objects up to 350mm with high accuracy.
- 2Background Suppression: Minimizes false triggers from background reflections.
- 3NPN Output: Provides reliable digital output for easy integration.
- 4Visible Red Light: Uses a visible red light source for clear object detection.
- 5Durable Construction: Built with a metal housing and IP66/67/69K rating for harsh environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
| Sensing range max. | 20 mm ... 350 mm | Sensing range | 20 mm ... 350 mm |
| Emitted beam_Light source | LED2) | Emitted beam_Type of light | Visible red light |
| Emitted beam_Light spot size (distance) | Ø 6 mm (200 mm) | Key LED figures_Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns | Items supplied | 2 x clamps BEF-KH-W12, incl. screws |
| Supply voltage UB | 10 V DC ... 30 V DC | Ripple | < 5 V |
| Current consumption | 45 mA | Protection class | III |
| Digital output_Type | NPN | Digital output_Switching mode | Light/dark switching |
| Digital output_Signal voltage NPN HIGH/LOW | Approx. VS / < 2.5 V | Digital output_Output current Imax. | ≤ 100 mA |
| Digital output_Response time | ≤ 330 µs4) | Digital output_Switching frequency | 1,500 Hz5) |
| Output function | Complementary | Circuit protection | A6)#!#C7)#!#D8) |
| Housing | Rectangular | Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Cable, 4-wire, 2 m | Connection detail_Conductor size | 0.25 mm² |
| Connection detail_Length of cable (L) | 2 m1) | Material_Housing | Metal |
| Material_Front screen | Plastic, PMMA | Material_Cable | Plastic, PVC |
| Weight | 200 g |
Specifications may be subject to change without notice
