The SICK WTB12-3P2431, WTB12-3P2433, WTB12-3P2441, and WTB12-3N2431 are advanced photoelectric proximity sensors designed for demanding contrast detection applications. Featuring background suppression technology, these sensors reliably detect objects regardless of color or texture, ensuring consistent performance in packaging, labeling, and material handling systems. With a visible red LED light source and a sensing range from 20 mm to 350 mm, they provide exceptional accuracy for high-speed automation lines.
| Parameter |
Specification |
| Sensor / Detection Principle |
Photoelectric proximity sensor, Background suppression |
| Dimensions (W x H x D) |
15.6 mm x 48.5 mm x 42 mm |
| Housing Design (Light Emission) |
Rectangular |
| Sensing Range Max. |
20 mm … 350 mm |
| Sensing Range |
20 mm … 350 mm |
| Type of Light |
Visible red light |
| Light Source |
LED |
| Light Spot Size (Distance) |
Ø 6 mm (200 mm) |
| Wavelength |
640 nm |
| Adjustment |
Potentiometer, 5 turns |
| Supply Voltage |
10 V DC … 30 V DC |
| Ripple |
≤ 5 Vpp |
| Power Consumption |
45 mA |
| Switching Output |
PNP |
| Output Function |
Complementary |
| Switching Mode |
Light/dark switching |
| Signal Voltage PNP HIGH/LOW |
> Uv – 2.5 V / ca. 0 V |
| Output Current Imax. |
100 mA |
| Response Time |
≤ 330 µs |
| Switching Frequency |
1,500 Hz |
| Connection Type |
Male connector M12, 4-pin |
| Circuit Protection |
A, C, D |
| Protection Class |
III |
| Weight |
120 g |
| Housing Material |
Metal |
| Optics Material |
Plastic, PMMA |
| Enclosure Rating |
IP66, IP67, IP69K |
| Items Supplied |
2 x clamps BEF-KH-W12, incl. screws |
| Ambient Operating Temperature |
–40 °C … +60 °C |
| Ambient Storage Temperature |
–40 °C … +75 °C |
| UL File No. |
NRKH.E181493 & NRKH7.E181493 |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22