Procurement managers rarely finalize WL12G-3V2572 without reviewing Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor, ensuring that the chosen component meets budget, compliance, and delivery conditions.
Sick WL12G-3V2572 Photoelectric Sensor
The Sick WL12G-3V2572 Photoelectric Sensor offers a Photoelectric retro-reflective sensor , 0 m ... 4 m sensing range, PinPoint LED light source, - output, and Male connector M12, 4-pin connection. Manufactured by Sick under the Sick Photoelectric Sensor category, this model belongs to the W12 Series.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WL12G-3V2572 |
Sick WL12G-3V2572 Photoelectric Sensor โ Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Autocollimation |
| Sensing range max. | 0 m ... 4 m |
| Sensing range | - |
| Polarisation filters | Yes |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | ร 25 mm (1.5 m) |
| Wave length | 660 nm |
| Adjustment | Single teach-in button |
| Angle of dispersion | - |
| Special applications | Detecting transparent objects |
| Items supplied | - |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 40 mA |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | Approx. VS โ 2.5 V / 0 V |
| Output current Imax. | โค 100 mA |
| Response time | โค 333 ยตs 4) |
| Switching frequency | 1,500 Hz 5) |
| Output function | - |
| Special feature | Detecting transparent objects |
| Housing | Rectangular |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Male connector M12, 4-pin |
| Housing material | Metal, zinc diecast |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67 |
| Ambient operating temperature | โ40 ยฐC ... +60 ยฐC |
| Ambient temperature, storage | โ40 ยฐC ... +75 ยฐC |
| Weight | 120 g |
The Sick WL12G-3V2572 Photoelectric Sensor is engineered with autocollimation optics to achieve accurate and reliable retro-reflective object detection at distances of up to 4 meters. Its PinPoint LED light source emits a visible red beam at 660 nm wavelength, creating a sharp ร 25 mm light spot at 1.5 meters for precise object alignment. This makes it especially effective in applications involving transparent materials such as glass bottles, plastic films, or reflective packaging.
The sensor operates within a standard supply voltage of 10 to 30 V DC and consumes just 40 mA, making it energy efficient. It supports both light and dark switching modes with a PNP digital output, capable of handling signal currents up to 100 mA. With a fast response time of โค 333 ยตs and switching frequency of 1,500 Hz, the WL12G-3V2572 excels in high-speed automation tasks. Its robust metal housing (15.6 mm ร 48.5 mm ร 42 mm) ensures durability, while its IP66/IP67 enclosure rating provides protection against water, dust, and cleaning processes. The M12, 4-pin male connector simplifies integration with industrial control systems. Trusted across logistics, bottling, and food processing lines, this sensor consistently delivers high performance with minimal maintenance.
The Sick WL4S-3F2130 Photoelectric Sensor is widely used for detecting small objects at close range with high accuracy. Its compact size allows it to be installed on tight conveyor lines, robotic arms, or compact machinery. Maintenance engineers often use this sensor in parts counting, object positioning, or jam detection systems where traditional sensors fail due to space or speed constraints.
In applications like pharmaceutical filling machines or PCB assembly lines, where components are tiny and fast-moving, the WL4S-3F2130 offers fast response and dependable detection. It adapts to different surface colors and materials, reducing false detections. This makes it useful not just for experienced engineers, but also for students learning about modern automation systems.
With this sensor, teams can increase line efficiency, minimize downtime, and improve overall system accuracyโwithout complex setup. Itโs a practical choice for smart factories seeking low-maintenance, high-performance sensing solutions.
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