During technical comparisons, PR12-2DN2 appears alongside Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Prfdawt12 3Do Iv so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Autonics PR12-2DN2 Proximity Sensor
The Autonics PR12-2DN2 Proximity Sensor offers a 2mm sensing distance with NPN Normally Closed output and a durable M12 sensing side diameter for accurate metal detection. Manufactured by Autonics, this proximity sensor from the PR Series ensures stable operation with hysteresis max. 10 of sensing distance and a standard sensing target 12Γ12Γ1mm (iron). It functions on a DC 3-wire type 12β24VDC supply, delivers up to 1.5kHz response frequency, and provides strong IP67 protection for reliable use in industrial environments.

| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR12-2DN2 |
Autonics PR12-2DN2 Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M12 |
| Sensing distance | 2mm |
| 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 | 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 | 1.5kHz |
| Weight | Approx. 84g(approx. 72g) |
The Autonics PR12-2DN2 Proximity Sensor from the PR Series is a compact cylindrical inductive sensor offering a 2mm sensing range and NPN Normally Closed output for accurate metal detection in automated systems. Operating at 12β24VDC with a 1.5kHz response frequency, it ensures stable, high-speed performance. The nickel-plated brass housing with IP67-rated sealing provides excellent protection against oil and dust, making the Autonics PR12-2DN2 suitable for rugged industrial environments. Its flush-type construction allows easy integration into compact machine setups, ensuring reliable sensing across automation lines.
In industrial automation applications, the Autonics PR12-2DN2 is widely used in robotic systems, packaging lines, and assembly machinery where reverse logic control is required. Its NPN Normally Closed output ensures a fail-safe design, maintaining output continuity until metal targets are detected. The 2mm sensing distance allows precise detection of small metallic parts in compact assemblies. Engineered for durability, its IP67-rated protection and nickel-plated brass construction provide long-term stability even in dusty or oily conditions. The Autonics PR12-2DN2 Proximity Sensor is ideal for OEMs, machine builders, and manufacturers seeking dependable, consistent detection across high-speed production environments in India.
The Autonics PR12-2DN2 exemplifies the precision and quality of Autonics Corporation, a globally trusted manufacturer in the field of industrial sensing and automation. Each sensor in the PR Series is manufactured under strict ISO and IEC quality standards, ensuring accuracy, reliability, and long service life. Known for dependable performance and robust design, Autonics proximity sensors are widely adopted across automation sectors worldwide. Backed by Autonicsβ proven expertise, the PR12-2DN2 delivers reliable sensing even under extreme operating conditions, offering engineers and system integrators peace of mind for continuous automation efficiency.
Within the Autonics PR Series, the PR12-2DN2 serves as the NPN Normally Closed (NC) variant, ideal for automation systems requiring reverse output logic for control safety and feedback monitoring. For users needing a NPN Normally Open (NO) output, the matching model is the Autonics PR12-2DN Proximity Sensor, offering identical construction, 2mm sensing distance, and 12β24VDC operation. Both sensors share the same flush mounting design, IP67-rated protection, and nickel-plated brass housing for durability in harsh conditions. The Autonics PR12-2DN2 Proximity Sensor remains the preferred choice for Normally Closed signal configurations, complementing the PR Seriesβ reliable portfolio of inductive proximity sensors.
The Autonics PR12-2DN2 Proximity Sensor provides accurate detection, IP67-rated protection, and reliable NPN Normally Closed output for modern industrial automation systems. With a 2mm sensing range and 12β24VDC operation, it ensures stability and consistency in challenging environments. Backed by Autonics Corporationβs engineering expertise and global trust, the PR12-2DN2 continues to deliver dependable sensing performance across production lines, assembly stations, and control systems throughout India.
Autonics PR12-2DN2 People Also Asked Questions
What is the sensing distance and output configuration of the Autonics PR12-2DN2 Proximity Sensor?
The Autonics PR12-2DN2 Proximity Sensor provides a precise sensing distance of 2mm, ideal for accurate metal detection in industrial automation systems. It features an NPN Normally Closed (NC) output, meaning the circuit stays closed when no target is detected and opens once a metallic object enters the sensing range. Operating on 12β24VDC power with a DC 3-wire configuration, this sensor ensures consistent switching and reliable control in compact equipment and automated processes.
How reliable is the Autonics PR12-2DN2 in demanding industrial environments?
The Autonics PR12-2DN2 is designed for long-lasting performance in tough industrial settings. Built with a nickel-plated brass housing and a polybutylene terephthalate sensing face, it offers strong resistance against corrosion, oil, and vibration. With an IP67 protection rating, it withstands exposure to dust and water, ensuring dependable operation even in harsh production conditions. The sensor maintains stable performance across -25Β°C to 70Β°C temperature and 35β95% RH humidity levels, making it highly durable for continuous operations.
What are the main applications of the Autonics PR12-2DN2 Proximity Sensor?
The Autonics PR12-2DN2 is widely used in industrial automation, metal detection, machine control, and robotic positioning systems. Its M12 cylindrical body and flush mounting type allow easy installation in limited spaces while maintaining high accuracy. With a response frequency of 1.5kHz and low current consumption (Max. 10mA), it ensures fast detection and efficient performance in conveyors, packaging equipment, and precision assembly lines across Indian manufacturing industries.







