Autonics PR12-4DN M12 Proximity Sensor
The PR12-4DN Autonics M12 Proximity Sensor features 4mm sensing distance, M12 sensing side diameter, and NPN Normally Open output. Autonics manufactures the PR12-4DN under Autonics Proximity Sensors for industrial automation sensing applications. The sensor supports DC 3-wire 12-24VDC operation, non-flush installation, and belongs to the PR Series.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR12-4DN |
Autonics PR12-4DN M12 Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M12 |
| Sensing distance | 4mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 12×12×1mm(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 | 500Hz |
| Weight | Approx. 84g(approx. 72g) |
ThePR12-4DN is an Autonics M12 Proximity Sensor designed for industrial automation applications requiring stable metal object detection. The Autonics PR12-4DN uses a 4mm sensing distance, M12 sensing side diameter, and NPN Normally Open output for industrial sensing systems. This model belongs to the PR Series and supports DC 3-wire 12-24VDC operation. The sensor is commonly integrated into industrial machinery, automation panels, and machine control systems where consistent sensing performance is required.
The Autonics PR12-4DN proximity sensor is widely used in conveyors, packaging equipment, assembly machines, and automated production systems. Its non-flush installation structure supports mounting flexibility in industrial automation environments with compact installation spaces. Industrial users apply the PR12-4DN in object detection, material positioning, and machine automation processes requiring stable switching output. The sensor supports continuous industrial operation where reliable proximity sensing and dependable detection characteristics are important for automation control systems.
PR12-4DN from Autonics combines 4mm sensing capability, maximum 10mA current consumption, and NPN Normally Open control output for industrial automation requirements. The Autonics PR12-4DN proximity sensor is part of the PR Series developed for factory automation and machine sensing applications. Autonics proximity sensors are commonly selected by industrial buyers and automation engineers for stable sensing characteristics, compatibility with industrial DC systems, and dependable operation across industrial production environments.




