PRD12-8DN Autonics Inductive Proximity Sensor
Autonics PRD12-8DN Inductive Proximity Sensor – M12, 8 mm, NPN, DC 3-Wire
Autonics PRD12-8DN is a compact M12 inductive proximity sensor with 8 mm sensing distance and NPN DC 3-wire output.
Suitable for long-range metal detection in space-constrained PLC-based automation systems.
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The Autonics PRD12-8DN is a compact inductive proximity sensor designed to detect metal objects only with an extended 8 mm sensing distance. With its M12 threaded housing, non-flush installation, and NPN DC 3-wire output, it is ideal for compact automation equipment and PLC panels where a longer detection range is required without increasing sensor size.
Key Features
Detects metal objects only (inductive sensing)
Compact M12 cylindrical housing
8 mm sensing distance (non-flush / unshielded)
NPN, DC 3-wire output
Suitable for long-range detection in compact spaces
Red LED operation indicator
Reverse polarity & short-circuit protection
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRD12-8DN |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M12 |
| Installation | Non-Flush (Unshielded) |
| Sensing Distance | 8 mm |
| Setting Distance | 0 – 5.6 mm |
| Standard Target | Iron 12 × 12 × 1 mm |
| Output Type | NPN |
| 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. 300 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
OEM automation equipment
Position, limit & presence detection
Space-constrained machinery
What’s in the Box
1 × Autonics PRD12-8DN Sensor
2 × Mounting nuts
Instruction leaflet
FAQ
Q1. What material can PRD12-8DN detect?
Only metal objects (inductive sensing).
Q2. Is PRD12-8DN suitable for PLC input?
Yes. It has NPN DC 3-wire output, widely used with PLC digital inputs.
Q3. What is the advantage of 8 mm sensing distance?
It provides greater mounting tolerance compared to 4 mm models.
Q4. Is this sensor suitable for compact machines?
Yes. The M12 size allows long sensing distance in limited space.
Q5. Can it be used in harsh environments?
Yes. The IP67 rating ensures reliable operation in dusty or oily areas.