PRD30-25DN Autonics Proximity Sensor
Autonics PRD30-25DN Inductive Proximity Sensor – M30, 25 mm, NPN, DC 3-Wire
Autonics PRD30-25DN is a heavy-duty M30 inductive proximity sensor with 25 mm sensing distance and NPN DC 3-wire output.
Designed for extra-long range metal detection in PLC-controlled industrial automation.
The Autonics PRD30-25DN is a heavy-duty inductive proximity sensor engineered for extra-long range detection of metal objects in industrial automation systems. Featuring a robust M30 threaded housing, 25 mm sensing distance (non-flush), and NPN DC 3-wire output, it is ideal for conveyors, steel plants, bulk material handling, and large machinery where extended sensing distance improves reliability and alignment tolerance.
Key Features
Detects metal objects only (inductive sensing principle)
Heavy-duty M30 cylindrical housing
25 mm sensing distance (non-flush / unshielded)
NPN, DC 3-wire output
Extra-long sensing range for large machinery
Red LED operation indicator
Reverse polarity & short-circuit protection
IP67 protection for harsh industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRD30-25DN |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M30 |
| Installation | Non-Flush (Unshielded) |
| Sensing Distance | 25 mm |
| Setting Distance | 0 – 17.5 mm |
| Standard Target | Iron 50 × 50 × 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. 50 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
Conveyors & bulk material handling
Steel, cement & mining machinery
Heavy-duty industrial control panels
Packaging & assembly lines
Long-distance position & presence detection
What’s in the Box
1 × Autonics PRD30-25DN Sensor
2 × Mounting nuts
Instruction leaflet
FAQ
Q1. What material can PRD30-25DN detect?
Only metal objects (inductive sensing).
Q2. Is PRD30-25DN suitable for PLC inputs?
Yes. It has NPN DC 3-wire output, widely used with PLC digital inputs.
Q3. What is the sensing distance?
25 mm with a standard iron target.
Q4. Why choose this model over PRD30-15DN?
PRD30-25DN offers a much longer sensing distance, ideal for large machinery.
Q5. Can it operate in harsh environments?
Yes. The IP67 rating ensures reliable operation in dusty, oily, or industrial areas.