AUTONICS PSN40-20DN INDUCTIVE SENSOR

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The Autonics PSN40 20DN is a rectangular inductive proximity sensor with a 20 /mm sensing distance, NPN output, and IP67 protection.

Product Overview

• Manufacturer: Autonics
• Model: PSN40 20DN
• Series: PSN Series (rectangular inductive sensors)
• Type: Inductive proximity sensor
• Sensing Side Size: 40 /mm frame size
• Sensing Distance: 20 /mm (±10%)
• Standard Target: 60 × 60 × 1 /mm iron plate
• Response Frequency: 100 /Hz
• Indicator: Red LED (operation indicator)
• Material: Heat resistant ABS housing
• Protection Structure: IP67 (dust tight, water resistant)

Electrical Specifications

• Power Supply: 12–24 /VDC (operating range 10–30 /VDC)
• Wiring Type: DC 3 wire
• Output Type: NPN, Normally Open (NO)
• Control Output: ≤200 /mA
• Residual Voltage: Max. 1.5 /V
• Current Consumption: ≤10 /mA
• Dielectric Strength: 1500 /VAC, 50/60 /Hz for 1 minute
• Insulation Resistance: ≥50 /MΩ (at 500 /VDC)
• Protection Circuits: Surge, overcurrent, reverse polarity

Key Features

• Front sensing type for easy alignment with targets.
• 20 /mm long sensing distance for reliable detection of larger metal objects.
• Excellent durability with ABS housing and IP67 rating.
• Noise immunity ensures stable operation in industrial environments.
• Non contact detection reduces mechanical wear compared to limit switches.

 Common Applications

• Automation systems: Detecting presence/position of metal parts.
• Material handling: Monitoring conveyor objects.
• Machine tools: Position sensing of moving components.
• Packaging machinery: Metal detection for safety and control.

Related Models in the PSN Series