Sick WFM180-120P321 Fork Sensor
The WFM180-120P321 is a Sick Fork Sensor with 180 mm fork width and 124 mm fork depth configuration. This Sick Fork Sensor operates on the optical detection principle with 0.8 mm minimum detectable object, PNP switching output, dark switching mode, 20 mA current consumption, 100 mA output current, M8 3-pin connector, aluminum housing, and integrated circuit protection.

| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFM180-120P321 |
Sick WFM180-120P321 Fork Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 200 mm x 141.8 mm |
| Fork width | 180 mm |
| Fork depth | 124 mm |
| Minimum detectable object (MDO) | 0.8 mm |
| Adjustment | None |
| Current consumption | 20 mA 1) |
| Switching output | PNP |
| Switching output (voltage) | PNP: HIGH = VS β β€ 1.5 V / LOW = 0 VNPN: HIGH = approx. VS / LOW β€ 1.5 V |
| Switching mode | Dark switching |
| Output current Imax. | 100 mA |
| Connection type | Connector M8, 3-pin |
| Circuit protection | UV connections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression |
| Weight | Approx. 80 g ... 190 g 2) |
| Housing material | Aluminum |
| Functional principle | Optical detection principle |
WFM180-120P321 Sick Fork Sensor is designed for wide-gap monitoring in industrial automation systems. The Sick WFM180-120P321 Fork Sensor provides 180 mm fork width, 124 mm fork depth, 0.8 mm minimum detectable object, and PNP switching output for PLC input compatibility. With dark switching mode and 20 mA current consumption, it supports consistent detection performance in automated production environments.
In conveyor lines, packaging units, and assembly stations, the WFM180-120P321 Sick Fork Sensor ensures reliable object detection across larger mechanical openings. The M8 3-pin connector simplifies integration, while the aluminum housing and electrical protection features maintain stable operation under industrial electrical conditions.
The Sick WFM180-120P321 Fork Sensor includes reverse polarity protection, short-circuit protection, and interference pulse suppression for dependable output control. Its optical detection principle enables repeatable switching behavior. This Sick Fork Sensor model is structured for industrial automation applications requiring stable and accurate wide-fork sensing.




