Product Model
WT34-B440

Key Features
- 1Compact design with dimensions 27 mm x 92 mm x 70 mm.
- 2Background suppression for enhanced detection accuracy.
- 3Switching output available in NPN and PNP configurations.
- 4Sensing range up to 1.2 meters with adjustable potentiometer.
- 5IP67-rated housing for robust and durable performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 27 mm x 92 mm x 70 mm | Housing design (light emission) | Rectangular |
| Sensing range max. | 100 mm ... 1,200 mm | Sensing range | 100 mm ... 1,200 mm |
| Type of light | Visible red light | Light source | LED |
| Light spot size (distance) | Ø 40 mm (1,200 mm) | Wave length | 660 nm |
| Adjustment | Potentiometer | Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 V | Current consumption | 50 mA |
| Switching output | NPN, PNP | Switching mode | Light switching, Dark switching |
| Switching mode selector | Selectable via PNP/NPN selector, selectable via light/dark selector | Output current Imax. | ≤ 100 mA |
| Response time | ≤ 500 µs | Switching frequency | 1,000 Hz |
| Connection type | Male connector M12, 4-pin | Circuit protection | A5)#!#C6)#!#D7) |
| Protection class | II | Weight | 140 g |
| Housing material | Plastic, ABS | Enclosure rating | IP67 |
| Test input sender off | TE to 0 V | Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C | UL File No. | NRKH.E181493 & NRKH7.E181493 |
Specifications may be subject to change without notice
