Sick WFE-030040B121 Fork Sensor
The WFE-030040B121 is a Sick Fork Sensor featuring 30 mm fork width and 0.05 mm minimum detectable object accuracy. This Sick Fork Sensor operates on the optical detection principle with 40 mm fork depth, push-pull PNP/NPN switching output, 100 mA output current, 40 mA current consumption, light/dark switching, 2-point teach-in via potentiometer, 3-wire 2 m cable connection, IP65 protection, 22 µs jitter, and integrated reverse polarity and short-circuit protection.
| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFE-030040B121 |
Sick WFE-030040B121 Fork Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 59.3 mm x 60.5 mm |
| Fork width | 30 mm |
| Fork depth | 40 mm |
| Minimum detectable object (MDO) | 0.05 mm |
| Adjustment | Potentiometer, light/dark switching |
| Teach-in mode | 2-point teach-in |
| Current consumption | 40 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 | Cable, open-ended, 3-wire, 2 m |
| 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 | ABSCoated carbon steel (frame) |
| Functional principle | Optical detection principle |
| Jitter | 22 µs |
WFE-030040B121 Sick Fork Sensor is a fixed-gap optical sensing device used for precise part detection in industrial automation systems. The Sick WFE-030040B121 Fork Sensor provides 30 mm fork width, 40 mm fork depth, 0.05 mm minimum detectable object, and push-pull PNP/NPN output. It belongs to the WFE series and supports light/dark switching with 2-point teach-in adjustment. With IP65 enclosure rating and 100 mA maximum output current, it ensures stable switching performance.
In industrial applications, the WFE-030040B121 Sick Fork Sensor is installed on conveyors, packaging equipment, assembly lines, and automated inspection stations. The defined 30 mm fork opening allows reliable sensing of thin labels, small components, and flat materials passing through the gap. Push-pull output simplifies PLC integration, while the 3-wire 2 m cable enables direct panel wiring. ABS housing with coated carbon steel frame supports consistent operation in manufacturing environments.
The Sick WFE-030040B121 Fork Sensor combines compact fork geometry with optical detection stability for automation processes in India. With 22 µs jitter, 40 mA current consumption, and integrated circuit protection, the model maintains accurate signal response in continuous production cycles. As part of Sick’s fork sensor portfolio, this device supports OEMs, system integrators, and panel builders requiring dependable fixed-gap sensing solutions across industrial production systems.
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