Maintenance teams planning replacements for WFM30-40N321 frequently review Sick Diffuse Sensor, Sick Wf15 40B410 and Sick Incremental Sensors to prevent downtime, checking availability and compatibility with existing systems.
Sick WFM30-40N321 Fork Sensor
The Sick WFM30-40N321 Fork Sensor offers a 30 mm fork width, 42 mm fork depth, NPN output, and Connector M8, 3-pin connection type. Manufactured by Sick under the Sick Fork Sensor category, this model belongs to the UF/WF Series.

| Brand | Sick |
| Product Type | Fork Sensor |
| Model Number | WFM30-40N321 |
Sick WFM30-40N321 Fork Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 10 mm x 50 mm x 59.5 mm |
| Fork width | 30 mm |
| Fork depth | 42 mm |
| Minimum detectable object (MDO) | 0.8 mm |
| Adjustment | None |
| Current consumption | 20 mA 1) |
| Switching output | NPN |
| Switching output (voltage) | PNP: HIGH = VS β β€ 1.5 V / LOW = 0 VNPN: HIGH = approx. VS / LOW β€ 1.5 V |
| Switching mode | Light 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 |




