Autonics PR12 – 4DN2 is a M12 inductive proximity sensor with a sensing distance of 4mm. It provides NPN (Normally Closed) on a DC 3-wire type 12-24 VDC configuration, engineered for stable detection in industrial automation.
Features
- High noise immunity for stable detection
- Wide operating temperature range and robust build
- LED status indicator
- Built-in protection circuits (DC types)
- CE/RoHS compliant
Technical Specifications
| Installation | Non-flush |
| Wire type and power | DC 3-wire type 12-24 VDC |
| Sensing side size | M12 |
| Sensing distance | 4mm |
| Standard sensing target | 12×12×1mm(iron) |
| Response frequency | 500Hz |
| Control output | NPN (Normally Closed) |
| Material | Case/Nut: nickel plated brass, washer: nickel plated iron, sensing side: PBT; Standard type cable (black): polyvinyl chloride (PVC) |
| Protection structure | IP67 |
| Operating temperature | −25 to 70 °C (no freezing/condensation) |
| Ambient humidity | 35 to 95% RH (no freezing/condensation) |
| Hysteresis (distance) | Max. 10–15% of sensing distance |
| Indicator | Operation indicator (red LED) |
For more information: Visit the OEM model page for PR12 – 4DN2.



