Sick WFL120-40B416 Fork Sensor
The WFL120-40B416 is a Sick Fork Sensor featuring 120 mm fork width and 0.05 mm minimum detectable object precision. This Sick Fork Sensor operates on the optical detection principle with 42 mm fork depth, PNP/NPN switching output, 100 mA output current, 40 mA current consumption, light/dark switching, 2-point teach-in adjustment, M8 4-pin connector, IP65 aluminum housing, 22 µs jitter, and integrated reverse polarity and short-circuit protection.
| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFL120-40B416 |
Sick WFL120-40B416 Fork Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 158.5 mm x 47 mm |
| Fork width | 120 mm |
| Fork depth | 42 mm |
| Minimum detectable object (MDO) | 0.05 mm |
| Adjustment | Plus/minus button (Teach-in, sensitivity, light/dark switching) |
| Teach-in mode | 2-point teach-in |
| Current consumption | 40 mA 1) |
| Switching output | PNP/NPN |
| Switching output (voltage) | PNP: HIGH = UV ≤ 2 V / LOW approx. 0 VNPN: HIGH = approx. UV / 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 | 22 µs |
WFL120-40B416 Sick Fork Sensor is a fixed-gap optical sensing device designed for precise object detection in industrial automation systems. The Sick WFL120-40B416 Fork Sensor provides 120 mm fork width, 42 mm fork depth, 0.05 mm minimum detectable object, and PNP/NPN switching output. It belongs to the WFE series and supports light/dark switching with 2-point teach-in configuration. With IP65 enclosure rating and 100 mA maximum output current, it ensures stable switching performance.
In industrial applications, the WFL120-40B416 Sick Fork Sensor is used in conveyors, packaging machines, assembly systems, and automated inspection stations. The 120 mm fork opening enables reliable detection of wide materials, sheets, and components passing through the sensing gap. PNP/NPN output simplifies PLC integration, while the M8 4-pin connector ensures structured installation. The aluminum housing supports consistent operation in manufacturing environments.
The Sick WFL120-40B416 Fork Sensor combines defined fork geometry with optical detection stability for automation processes in India. With 22 µs jitter, 40 mA current consumption, and integrated circuit protection against reverse polarity and short circuit, 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.
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