Product Description

​The Pepperl+Fuchs NJ20+U1+W is an inductive proximity sensor designed for non-contact detection of metallic objects. It features a rectangular housing with dimensions of 40 mm × 40 mm × 118 mm and offers a rated operating distance of 20 mm, making it suitable for applications requiring reliable object sensing. The sensor operates over a wide supply voltage range of 20 V AC to 253 V AC and provides a 2-wire output with both normally open (NO) and normally closed (NC) configurations. Its robust construction and IP68-rated housing ensure dependable performance in various industrial environments.

Technical Specifications

• Switching Element Function: AC Make/Break​
• WESCO
• +1
• RS Components
• +1
• Rated Operating Distance (s_n): 20 mm​
• WESCO
• +7
• Pepperl+Fuchs Document Server
• +7
• Pepperl+Fuchs Document Server
• +7
• Installation: Non-embeddable​
• Kempston Controls
• +2
• WESCO
• +2
• RS Components
• +2
• Assured Operating Distance (s_a): 0 to 16.2 mm​
• Pepperl+Fuchs
• +2
• RS Components
• +2
• Pepperl+Fuchs Document Server
• +2
• Operating Voltage (U_B): 20 V AC to 253 V AC​
• Pepperl+Fuchs Document Server
• +2
• RS Online
• +2
• TME
• +2
• Switching Frequency (f): Up to 20 Hz​
• Pepperl+Fuchs Document Server
• +5
• Pepperl+Fuchs
• +5
• Pepperl+Fuchs Document Server
• +5
• Operating Current (I_L): 10 mA to 400 mA​
• RS Components
• Momentary Current (20 ms, 0.1 Hz): Up to 4,000 mA​
• Off-State Current (I_r): Up to 2.5 mA (typical)​
• Operating Voltage Display: Green LED​
• Pepperl+Fuchs Document Server
• Switching State Indicator: Yellow LED​
• Pepperl+Fuchs
• Ambient Temperature: -25 °C to 70 °C (-13 °F to 158 °F)​
• Housing Material: PBT (Polybutylene Terephthalate)​
• Pepperl+Fuchs Document Server
• +1
• RS Components
• +1
• Protection Degree: IP68​
• TME
• +2
• Pepperl+Fuchs Document Server
• +2
• RS Components
• +2
• Connection Type: Screw terminals​