Pepperl+Fuchs NJ40+U1+A2 084525 Comfort Series 40mm Cylindrical Inductive Proximity Switch Sensors

Pepperl+Fuchs NJ40+U1+A2 084525 Comfort Series 40 mm Cylindrical Inductive Proximity Switch Sensors

1.Overview of the Pepperl+Fuchs NJ40+U1+A2 084525

The Pepperl+Fuchs NJ40+U1+A2 (Order No. 084525) 40 mm cylindrical inductive proximity switch.

• Optional accessories (sold separately)
– Pre-molded cable: V1-W-2M-PUR (2 m PUR cable)
– Mounting bracket: MH 04-2681F (stainless steel with anti-vibration pads)
Main application: Long-distance, non-contact detection of metal objects. Suitable for high-temperature, high-humidity, and high-dust environments such as automotive welding, logistics sorting, food and beverage processing, and metallurgy.

2.Core Features:

Detection
• Detection principle: Inductive, high-frequency oscillator
• Rated sensing distance Sn: 40 mm (non-flush)
• Usable sensing distance Sa: 0 … 32.4 mm
• Hysteresis: Typical 3%
• Repeatability: ≤ 2%
• Temperature drift: ± 10%
Electrical parameters
• Supply voltage UB: 10 … 60 V DC
• No-load current: ≤ 20 mA
• Output type: PNP (normally open + normally closed) complementary
• Load current: 0 … 200 mA
• Voltage drop: ≤ 3 V
• Switching frequency: 0 … 300 Hz
• Protection functions: Short-circuit protection (pulse), reverse polarity protection, transient overvoltage protection
Mechanical and environmental
• Housing dimensions: Ø 40 mm × 67.5 mm (excluding connector)
• Housing material: PBT (polyester)
• Sensing face material: PBT
• Connection: 4-pin M12 circular connector (A-coded)
• Protection rating: IP68 (1 m water depth / 1 h)
• Operating temperature: -25 … +100°C
• Vibration resistance: 55 Hz (1 mm amplitude)
• Shock resistance: 30 g (11 ms)
Approvals and standards
• CE, cULus Listed, CSA, EAC
• Complies with EN 60947-5-2 / IEC 60947-5-2

• Ultra-long sensing distance: 40 mm non-flush mounting with wide mechanical tolerances.
• 10-60 V DC wide-voltage power supply allows for direct field adaptation to other voltage specifications without rewiring.
• 4-wire PNP, normally open and normally closed complementary outputs, dual-purpose in one device, reducing inventory.
• Maximum switching frequency of 300 Hz, suitable for high-speed counting and speed monitoring.
• IP68 protection, -25 to +100°C operating temperature, resistant to oil, coolant, and high-pressure washdown.
• Dual-color LED (green on/yellow off) for easy commissioning and troubleshooting.
• Built-in short-circuit, reverse polarity, and transient protection ensures long-term maintenance-free operation.

3.Product details pictures

4. Related products

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