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.
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
| 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 |
PLC-based automation systems
Compact control & junction panels
Packaging & assembly machines
Small OEM machinery
Position, limit & presence detection
Industrial automation equipment
1 × Autonics PRD12-4DP Sensor
2 × Mounting nuts
Instruction leaflet
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.
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