PR12-4DP Autonics Proximity Sensor
Autonics PR12-4DP Inductive Proximity Sensor – M12, 4 mm, PNP, DC 3-Wire
Autonics PR12-4DP is an M12 inductive proximity sensor with a 4 mm sensing distance and a PNP DC 3-wire output.
Ideal for reliable metal detection in PLC-based industrial automation and control panel applications.
The Autonics PR12-4DP is a high-reliability inductive proximity sensor designed to detect metal objects only. With an M12 threaded housing, 4 mm sensing distance (non-flush type), and PNP DC 3-wire output, it is ideal for PLC-controlled machines and industrial automation systems requiring longer sensing range.
Key Features
Detects metal objects only (inductive principle)
M12 cylindrical housing
4 mm sensing distance (non-flush / unshielded)
PNP, DC 3-wire output
Red LED operation indicator
Reverse polarity & short-circuit protection
Fast response and high repeatability
IP67 protection for harsh industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PR12-4DP |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M12 |
| Installation | Non-flush (Unshielded) |
| 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
Conveyor & material handling
Packaging & assembly machines
CNC & special-purpose machines
Control & junction panels
Position, limit & counting detection
What’s in the Box
1 × Autonics PR12-4DP Sensor
2 × Mounting nuts
1 × Washer
Instruction leaflet
FAQ
Q1. What material can PR12-4DP detect?
Only metal objects (inductive sensing).
Q2. What is the difference between PR12-4DP and PR12-4DN?
PR12-4DP is PNP output; PR12-4DN is NPN output.
Q3. Is this sensor suitable for PLC input?
Yes. PNP DC 3-wire sensors are commonly used with modern PLC inputs.
Q4. Can it be used in dusty or oily environments?
Yes. IP67 protection ensures reliable operation.
Q5. What is the sensing distance?
4 mm for a standard iron target.