Autonics PR18-8DN NPN NO Proximity Sensor
PR18-8DN proximity sensor features M18 diameter, 8mm sensing distance, non-flush installation, and NPN normally open output for industrial automation. Manufactured by Autonics, this PR18-8DN Autonics NPN NO Proximity Sensor belongs to Autonics Proximity Sensors and the PR Series, operating on DC 3-wire 12–24V supply with IP67 protection, 350Hz response frequency, and controlled current consumption.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR18-8DN |
Autonics PR18-8DN NPN NO Proximity Sensor
| Specification | Value |
|---|---|
| Sensing side diameter | M18 |
| Sensing distance | 8mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 25×25×1mm(iron) |
| Current specification | Current consumption: Max. 10mA |
| Control output | NPN Normally Open |
| Wire type and power | DC 3-wire type 12-24VDC |
| Installation | Non-flush |
| Cable Standard/material | Standard cable |
| Body length | Standard type |
| Residual voltage | Max. 1.5V |
| Environment_Ambient temperature | -25 to 70℃, storage: -30 to 80℃ |
| Environment_Ambient humidity | 35 to 95% RH, storage: 35 to 95% RH |
| Protection structure | IP67(IEC standard) |
| Material | Case/Nut: Nikel plated Brass, (connector case of DIA. of sensing side Ø 8 mm: SUS303),washer: Nikel plated Iron, sensing side: polybutylene terephthalate,standard cable (black): polyvinyl chloride (PVC),oil resistant cable (gray): oil resistant polyvinyl chloride (PVC) |
| Response frequency | 350Hz |
| Weight | Approx. 122g(approx. 110g) |
The Autonics PR18-8DN NPN NO Proximity Sensor is used in industrial automation systems requiring extended inductive detection. This model provides a M18 cylindrical housing, 8mm sensing distance, and NPN normally open output with DC 3-wire 12–24V operation. It belongs to the PR Series from Autonics and is widely applied in Indian automation installations.
In practical applications, the PR18-8DN proximity sensor is installed in conveyors, packaging machines, automated assembly lines, and material handling systems. Non-flush mounting enables increased sensing range, while stable inductive detection ensures accurate metal target recognition. This supports reliable switching behavior and consistent signal output in continuous automation processes.
The PR18-8DN from Autonics delivers dependable sensing performance supported by IP67 protection and defined electrical characteristics. As part of the Autonics PR Series, it aligns with standardized sensing targets and installation practices. This Autonics NPN NO Proximity Sensor remains suitable for engineers seeking reliable proximity detection for long-term industrial automation use.




