During technical comparisons, PR12-4DN2 appears alongside Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Tcn4 Series so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics PR12-4DN2 Proximity Sensor
The Autonics PR12-4DN2 Proximity Sensor provides a 4mm sensing distance with NPN Normally Closed output and a compact M12 sensing side diameter for precise industrial detection. Manufactured by Autonics, this proximity sensor under the PR Series ensures dependable performance with hysteresis max. 10 of sensing distance and a standard sensing target 12Γ12Γ1mm (iron). It operates on a DC 3-wire type 12β24VDC supply, supports 500Hz response frequency, and features durable IP67 protection for reliable performance in harsh industrial conditions.
| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR12-4DN2 |
Autonics PR12-4DN2 Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M12 |
| Sensing distance | 4mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 12Γ12Γ1mm(iron) |
| Current specification | Current consumption: Max. 10mA |
| Control output | NPN Normally Closed |
| 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 70β, storage: -30 to 80β |
| 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 Γ 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) |
The Autonics PR12-4DN2 is a compact Cylindrical Inductive Proximity Sensor engineered to deliver precise detection in demanding industrial environments. With a sensing diameter of M12 and a sensing distance of 4mm, it ensures accurate detection of metal targets such as iron, even in space-constrained applications. Designed with an NPN Normally Closed control output, this model operates efficiently on a DC 3-wire 12β24V supply, consuming a maximum of just 10mA, which helps minimize power load. It offers a response frequency of 500Hz for fast detection, and with an IP67 rating, it withstands dust, water, and harsh factory conditions. Built with a nickel-plated brass case, polybutylene terephthalate sensing side, and PVC cable options, the sensor provides durability and resistance against environmental stress.
In practice, the PR12-4DN2 proximity sensor is widely used in applications such as machine tools, conveyors, and automated assembly lines where consistent, non-contact metal detection is critical. Maintenance engineers appreciate its reliable performance in both humid and high-temperature environments, operating between -25Β°C to 70Β°C with humidity up to 95% RH. The included standard cable and non-flush mounting design further simplify integration into existing equipment layouts, reducing installation downtime. Its lightweight body, approximately 84g, makes it a versatile option for compact machines and control systems.
Trusted by engineers, distributors, and wholesalers across automation industries, the Autonics PR12-4DN2 Proximity Sensor continues to prove its value with robust design, dependable accuracy, and simple installation. Whether for OEM machinery or retrofit projects, this Cylindrical Inductive Proximity Sensor offers an efficient solution for metal detection, process control, and industrial automation needs. Its proven reliability makes it a top choice among industrial buyers searching for durable and precise proximity sensors.
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