PR12-2DN2 Autonics Inductive Proximity Sensor
Autonics PR12-2DN2 Inductive Proximity Sensor – M12, 2 mm, DC 2-Wire, NO
Autonics PR12-2DN2 is an M12 inductive proximity sensor with 2 mm sensing distance and DC 2-wire normally open output.
Ideal for direct DC load switching, relays, and compact industrial automation applications.
The Autonics PR12-2DN2 is a reliable inductive proximity sensor designed for metal object detection in DC-powered circuits. Featuring an M12 threaded housing, 2 mm sensing distance, and DC 2-wire normally open (NO) output, it is suitable for applications requiring simple wiring and direct load switching without PLC logic.
Key Features
Detects metal objects only (inductive principle)
Standard M12 cylindrical housing
2 mm sensing distance (flush type)
DC 2-wire, Normally Open (NO) output
Simple wiring for DC loads
Red LED operation indicator
Surge & reverse polarity protection
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PR12-2DN2 |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M12 |
| Installation | Flush (Shielded) |
| Sensing Distance | 2 mm |
| Setting Distance | 0 – 1.4 mm |
| Standard Target | Iron 12 × 12 × 1 mm |
| Output Type | DC 2-Wire, Normally Open (NO) |
| Supply Voltage | 12–24 V DC |
| Leakage Current | ≤ 0.6 mA |
| Load Current | 2 – 100 mA |
| Residual Voltage | ≤ 3.5 V |
| Response Frequency | Approx. 1.5 kHz |
| 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
DC relay control
Compact automation systems
Conveyor & material handling
Packaging machines
Industrial control panels
Position & limit detection
What’s in the Box
1 × Autonics PR12-2DN2 Sensor
2 × Mounting nuts
1 × Washer
Instruction leaflet
FAQ
Q1. What does DN2 mean in this model?
DN2 indicates DC 2-wire, normally open output.
Q2. Is this suitable for PLC input?
No. This is a 2-wire sensor, meant for direct DC load switching, not PLC digital inputs.
Q3. What material can it detect?
Only metal objects.
Q4. Can it be used in harsh environments?
Yes. It has IP67 protection and surge protection.
Q5. What is the sensing distance?
2 mm for standard iron target.