The Autonics PRD12 4DN2 is a long-distance cylindrical inductive proximity sensor (flush type) with excellent reliability and protection, suitable for industrial automation.
Housing & Mounting
M12 (Ø12 /mm) flush-mount cylindrical body
Nickel-plated brass housing, PBT sensing face
Detection Performance
Sensing distance: 4 /mm (iron target, 12×12×1 /mm)
Response frequency: 500 /Hz
Hysteresis ≤10 /% of sensing distance
Electrical Characteristics
Supply: 10–30 /VDC (nominal 12–24 /VDC), ripple ≤10 /%
Current consumption: ≤10 /mA
Output: NPN, Normally Closed, max 200 /mA load
Residual voltage: ≤1.5 /V
Protection & Durability
Surge, reverse polarity, and overcurrent protection
IP67 rated for dust-tight and waterproof performance
Environmental Ratings
Ambient temperature: –25 to +70 /°C (storage to –30 to +80 /°C)
Humidity tolerance: 35–95 /% RH (non-condensing)
Vibration: 1.0 /mm @ 10–55 /Hz for 2 /hrs (X/Y/Z)
Shock: 500 /m/s² (~50 /g) 3× (X/Y/Z)
Long-distance detection: Extends sensing range 1.5–2× compared to standard models
Robust design: Industrial-grade protection and durable build
Status indication: Red LED for operation status
Ideal for: Position detection, automated machinery, production lines, metal object detection