Autonics PRD12-4DN2 Long-Distance Inductive Proximity Sensor
The PRD12-4DN2 is an Autonics Long-Distance Inductive Proximity Sensor with M12 sensing diameter, 4mm sensing distance, and NPN Normally Closed output. It is manufactured by Autonics and belongs to the Autonics Proximity Sensors category within the PRD Series used across industrial automation detection applications. Additional specifications include DC 3-wire 12–24VDC power, IP67 protection structure, 500Hz response frequency, shielded flush installation, standard sensing target 12×12×1mm iron, ≤10% hysteresis, current consumption max. 10mA, standard cable wiring, standard body length, and approximate weight of ≈62g.
| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PRD12-4DN2 |
Autonics PRD12-4DN2 Long-Distance Inductive 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 Closed |
| Wire type and power | DC 3-wire type 12-24VDC @(=) |
| Installation | Shield(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 |
| Material | Brass(nickel plated) |
| Response frequency | 500Hz |
| Weight | ≈ 62g (≈ 74g) |
The PRD12-4DN2 Autonics Long-Distance Inductive Proximity Sensor is designed for industrial automation sensing tasks requiring reliable metal detection. This sensor features a 4mm sensing distance, M12 sensing diameter, and NPN Normally Closed output. The PRD12-4DN2 operates using a 12–24VDC DC 3-wire supply and belongs to the PRD Series proximity sensors manufactured by Autonics. Within industrial automation systems, this sensor supports stable detection of metal targets where compact cylindrical proximity sensors are required.
In industrial automation environments, the PRD12-4DN2 Autonics Long-Distance Inductive Proximity Sensor is widely used in conveyors, packaging machines, assembly lines, and automated manufacturing equipment. The 4mm sensing range enables consistent detection of metal components while the NPN Normally Closed output provides reliable switching signals for PLC and control circuits. With its M12 cylindrical structure and flush mounting design, the sensor can be installed easily within machine frames and mounting brackets used in industrial production systems.
The PRD12-4DN2 Autonics Long-Distance Inductive Proximity Sensor integrates a 4mm sensing distance, M12 cylindrical housing, and IP67 protection for industrial automation applications. As part of the Autonics PRD Series, this sensor supports stable detection performance under typical factory conditions. With DC 3-wire 12–24V power and NPN Normally Closed output configuration, the PRD12-4DN2 is suitable for integration with PLC-based control systems used across industrial automation processes.
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