Sick WSE12-3V1131S02 Photoelectric Sensor
The Sick WSE12-3V1131S02 photoelectric sensor provides 15 m sensing range, 640 nm light source, and PNP output for industrial automation detection applications, while the Sick WSE12-3V1131S02, known as the Sick 640 nm Through-beam Sensor, belongs to Sick photoelectric sensors and the W12 series, featuring through-beam principle, visible red LED light, 10–30 V DC supply, 330 µs response time, cable connection, IP66/IP67/IP69K protection, and rectangular metal housing.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WSE12-3V1131S02 |
Sick WSE12-3V1131S02 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Through-beam photoelectric sensor |
| Functional principle detail | - |
| Sensing range max. | 0 m ... 20 m |
| Sensing range | 0 m ... 15 m |
| Polarisation filters | - |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 220 mm (15 m) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | Approx. 1.5° |
| Special applications | - |
| Items supplied | - |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | ≤ 30 mA |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Dark switching |
| Signal voltage PNP HIGH/LOW | > Uv - 2,5 V / ca. 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 330 µs 4) |
| Switching frequency | 1,500 Hz 5) |
| Output function | Complementary |
| Special feature | - |
| Housing | Rectangular |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Cable, 4-wire, 2 m |
| Housing material | Metal |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67, IP69K |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 200 g |
The Sick WSE12-3V1131S02 photoelectric sensor, also referred to as the Sick 640 nm Through-beam Sensor, is designed for long-range detection in industrial automation systems. It offers a 15 m sensing range, 640 nm light source, and PNP output for stable performance. As part of the W12 series, the Sick WSE12-3V1131S02 uses a through-beam principle to ensure consistent detection across industrial environments.
The Sick WSE12-3V1131S02 photoelectric sensor is used in conveyors, packaging systems, assembly lines, and material handling applications. Its sensing capability allows reliable detection over extended distances. The sensor ensures stable switching output, supporting precise automation control. With its compact rectangular design and cable connection, the Sick WSE12-3V1131S02 integrates effectively into industrial installations.
The Sick WSE12-3V1131S02 photoelectric sensor combines extended sensing capability with durable industrial construction. With features such as fast response time, stable output, and IP69K protection, it supports continuous operation in demanding environments. As part of the Sick W12 series, it ensures compatibility with standard automation systems. The Sick WSE12-3V1131S02 is suitable for applications requiring consistent detection, reliable switching, and dependable performance.

