Sick WF2-40B41CA70 Fork Sensor
The WF2-40B41CA70 is a Sick Fork Sensor featuring 2 mm fork width and 0.2 mm minimum detectable object precision. As part of the Sick portfolio and categorized under Sick Fork Sensor, this model belongs to the WFE series with 42 mm fork depth, push-pull PNP/NPN switching output, IP65 enclosure rating, 1-point and 2-point dynamic teach-in modes, 20 mA current consumption, 100 mA output current, M8 4-pin connector, aluminum housing, optical detection principle, protected outputs, and 17 µs jitter.

| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WF2-40B41CA70 |
Sick WF2-40B41CA70 Fork Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 32 mm x 57 mm |
| Fork width | 2 mm |
| Fork depth | 42 mm |
| Minimum detectable object (MDO) | 0.2 mm |
| Adjustment | Teach-in button, cable (Teach-in, sensitivity, light/dark switching, key lock, Teach-in dynamic) |
| Teach-in mode | 1-point teach-in2-point teach-inTeach-in dynamic |
| Current consumption | 20 mA 1) |
| Switching output | Push-pull: PNP/NPN |
| Switching output (voltage) | Push-pull: PNP/NPN High = UV - < 2 V/Low: ≤ 2 V |
| Switching mode | Light/dark switching |
| Output current Imax. | 100 mA |
| Connection type | Male connector M8, 4-pin |
| Circuit protection | UV connections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression |
| Enclosure rating | IP65 |
| Weight | Approx. 36 g ... 160 g 2) |
| Housing material | Aluminum |
| Functional principle | Optical detection principle |
| Jitter | 17 µs |
The WF2-40B41CA70 Sick Fork Sensor is designed for accurate small-object detection in compact industrial automation systems. This WF2-40B41CA70 Sick Fork Sensor integrates 2 mm fork width, 42 mm fork depth, 0.2 mm minimum detectable object, and push-pull PNP/NPN switching output to support flexible PLC wiring configurations. It operates within the WFE series using an optical detection principle and light/dark switching mode.
In conveyor tracking, label sensing, and micro-component assembly, the narrow fork geometry ensures stable positioning and repeatable detection. The 17 µs jitter enables consistent switching at higher machine speeds. With IP65 enclosure rating, reverse polarity protection, and short-circuit protection, the sensor supports dependable integration in industrial panels.
The WF2-40B41CA70 aligns with Sick engineering standards for compact fork sensing technology. Its aluminum housing improves structural stability while interference pulse suppression enhances signal reliability. For automation environments requiring precise fork sensing and compact installation, the WF2-40B41CA70 Sick Fork Sensor provides consistent operational performance.




