Sick WFS3-40N115 Fork Sensor
The WFS3-40N115 Sick Fork Sensor provides 3 mm fork width, 42 mm fork depth, and NPN switching output for label detection. This Sick WFS3-40N115 Sick Fork Sensor detects 2 mm minimum label gaps, supports plus/minus button adjustment, operates in light/dark switching mode, delivers 100 mA output current, uses 2 m 4-wire cable connection, and features glass-fiber reinforced PA housing with integrated circuit protection.

| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFS3-40N115 |
Sick WFS3-40N115 Fork Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 25 mm x 64.3 mm |
| Fork width | 3 mm |
| Fork depth | 42 mm |
| Minimum detectable object (MDO) | Gap between Labels / Size of labels: 2 mm 1) |
| Adjustment | Plus/minus button, cable (Teach-in, sensitivity, light/dark switching, Teach-in dynamic) |
| Switching output | NPN |
| Switching output (voltage) | NPN: HIGH = approx. UV / LOW β€ 2 V |
| Switching mode | Light/dark switching |
| Output current Imax. | 100 mA |
| Connection type | Cable, 4-wire, 2 m |
| Circuit protection | UV connections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression |
| Weight | Approx. 36 g |
| Housing material | Plastic, PA (glass-fiber reinforced) |
The WFS3-40N115 Sick Fork Sensor is designed for narrow-label and gap detection in industrial automation systems. The WFS3-40N115 Sick Fork Sensor features 3 mm fork width, 42 mm fork depth, NPN switching output, and 2 mm minimum detectable object capability. It belongs to the WFE series and operates using an optical detection principle with plus/minus teach-in adjustment. This configuration supports stable signal output for PLC-controlled processes.
In packaging equipment, labeling machines, and conveyor-based assembly lines, the WFS3-40N115 ensures accurate detection of small label gaps. Light/dark switching mode allows flexible installation orientation. The 100 mA output current supports direct interface with industrial controllers, while the 2 m 4-wire cable simplifies electrical integration. Integrated reverse polarity and short-circuit protection enhance operational stability in industrial environments.
The WFS3-40N115 Sick Fork Sensor combines compact fork geometry and NPN output for precise sensing tasks. With dimensions of 10 mm x 25 mm x 64.3 mm and reinforced PA housing, this Sick Fork Sensor model WFS3-40N115 integrates into compact automation assemblies. As part of the Sick sensing portfolio, it provides dependable performance for industrial labeling and material handling applications.




