PRD12-4DP Autonics Proximity Sensor
Autonics PRD12-4DP Inductive Proximity Sensor – M12, 4 mm, PNP, DC 3-Wire
Autonics PRD12-4DP is a compact M12 inductive proximity sensor with 4 mm sensing distance and PNP DC 3-wire output.
Suitable for accurate metal detection in PLC-based industrial automation and compact control panels.
The Autonics PRD12-4DP is a compact inductive proximity sensor designed to detect metal objects only in industrial automation systems. With its M12 threaded housing, 4 mm sensing distance, and PNP DC 3-wire output, it is ideal for compact machinery, OEM equipment, and control panels where PNP PLC inputs are used.
Key Features
Detects metal objects only (inductive sensing principle)
Compact M12 cylindrical housing
4 mm sensing distance (flush installation)
PNP, DC 3-wire output
Ideal for tight installation spaces
Red LED operation indicator
Reverse polarity & short-circuit protection
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRD12-4DP |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M12 |
| Installation | Flush (Shielded) |
| Sensing Distance | 4 mm |
| Setting Distance | 0 – 2.8 mm |
| Standard Target | Iron 12 × 12 × 1 mm |
| Output Type | PNP |
| Wiring | DC 3-Wire |
| Supply Voltage | 12–24 V DC (10–30 V DC operating) |
| Current Consumption | ≤ 10 mA |
| Control Output | Max. 200 mA |
| Response Frequency | Approx. 500 Hz |
| Indicator | Red LED |
| Protection Rating | IP67 |
| Ambient Temperature | −25 °C to +70 °C |
| Cable Length | 2 m |
| Body Material | Nickel-plated brass |
| Sensing Face | PBT |
Applications
PLC-based automation systems
Compact control & junction panels
Packaging & assembly machines
Small OEM machinery
Position, limit & presence detection
Industrial automation equipment
What’s in the Box
1 × Autonics PRD12-4DP Sensor
2 × Mounting nuts
Instruction leaflet
FAQ
Q1. What material can PRD12-4DP detect?
Only metal objects (inductive sensing).
Q2. Is PRD12-4DP suitable for PLC input?
Yes. It has a PNP DC 3-wire output, commonly used with modern PLCs.
Q3. What is the sensing distance?
4 mm for a standard iron target.
Q4. Is this sensor suitable for compact machines?
Yes. The M12 body size is ideal for space-limited installations.
Q5. Can it operate in dusty or oily environments?
Yes. IP67 protection ensures reliable performance.