
PRFDAWT12-3DO-IV Autonics Inductive Proximity Sensor
Autonics PRFDAWT12-3DO-IV Flat Inductive Proximity Sensor – 3 mm, NPN, DC 3-Wire
Autonics PRFDAWT12-3DO-IV is a flat-type inductive proximity sensor with 3 mm sensing distance and NPN DC 3-wire NO output.
Ideal for metal detection in space-constrained PLC-based automation.
The Autonics PRFDAWT12-3DO-IV is a flat-type inductive proximity sensor engineered for accurate metal object detection in tight installation spaces. Featuring a 3 mm sensing distance, NPN DC 3-wire normally open output, and a built-in operation LED (IV), it is ideal for compact automation equipment, PCB assembly lines, and precision jigs where cylindrical sensors are impractical.
Key Features
Detects metal objects only (inductive sensing)
Ultra-compact flat-type design
3 mm sensing distance
NPN, DC 3-wire Normally Open (NO) output
Built-in LED indicator (IV)
Reverse polarity & surge protection
Suitable for dense automation layouts
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRFDAWT12-3DO-IV |
| Sensor Type | Inductive Proximity Sensor |
| Body Type | Flat Type |
| Installation | Flush |
| Sensing Distance | 3 mm |
| Standard Target | Iron 12 × 12 × 1 mm |
| Output Type | NPN, Normally Open (NO) |
| 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. 800 Hz |
| Indicator | LED (Operation Indicator) |
| Protection Circuit | Reverse polarity, surge protection |
| Protection Rating | IP67 |
| Ambient Temperature | −25 °C to +70 °C |
| Connection Type | Cable Type |
| Cable Length | 2 m |
| Body Material | Heat-resistant resin |
Applications
PCB assembly & electronics automation
Compact jigs & fixtures
Pick-and-place machines
OEM automation equipment
Space-constrained metal detection
Precision positioning systems
What’s in the Box
1 × Autonics PRFDAWT12-3DO-IV Sensor
Mounting screws
Instruction leaflet
FAQ
Q1. What does “Flat Type” mean?
It refers to a low-profile rectangular sensor designed for tight spaces.
Q2. What does “IV” indicate in the model?
It indicates a built-in LED indicator and voltage protection.
Q3. Is this suitable for PLC inputs?
Yes. It has NPN DC 3-wire output, commonly used with PLC digital inputs.
Q4. What material can it detect?
Only metal objects.
Q5. What is the sensing distance?
3 mm with a standard iron target.



