The Pepperl+Fuchs NBB20-L2-E2-C-V1 is a high-precision inductive proximity sensor designed for reliable non-contact detection of metal objects in industrial automation. With a rated operating distance of 20 mm (flush mounting) and an M30 threaded housing, it ensures accurate sensing even in space-constrained or vibration-prone environments. Equipped with a 3-wire DC PNP output, it integrates seamlessly with PLCs and control systems, operating within a wide voltage range (10–30 V DC) with reverse polarity and short-circuit protection for enhanced durability. A visible yellow LED indicator signals the switching state, aiding quick diagnostics. Ideal for applications requiring precise position monitoring, such as conveyor systems, robotics, or machinery control, its 5% hysteresis and 250 Hz switching frequency deliver stable, repeatable performance.
Engineered to withstand demanding conditions, the NBB20-L2-E2-C-V1 features a durable nickel-plated brass housing with a PBT sensing face, resisting corrosion, impact, and chemical exposure. Its IP67 protection rating ensures dustproof and water-resistant operation (immersion up to 1 m), making it suitable for wet, dusty, or high-vibration settings. The sensor maintains stability across a wide temperature range (-25°C to +70°C), ensuring reliable performance in extreme heat or cold. The flush-mountable M30 thread and included mounting nuts simplify installation, while compliance with EN 60947-5-2 and UL listing guarantees safety and global compatibility.
This inductive sensor combines flexibility with advanced functionality, offering a nominal operating current of 200 mA and lightweight design (190 g) for easy integration into compact machinery. The M12 connector enables quick, secure wiring, reducing installation time in complex systems. Its metal detection characteristics adapt to different materials (e.g., aluminum: 0.33, copper: 0.30 reduction factors), enhancing versatility across applications. As part of Pepperl+Fuchs’ trusted portfolio, the NBB20-L2-E2-C-V1 ensures seamless compatibility with industrial networks, delivering precision, durability, and ease of use for automation tasks in manufacturing, logistics, and process control. Trust in its proven performance to optimize productivity and system reliability.
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Attribute
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Details
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General Information
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Product Type
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Inductive Proximity Sensor
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Model
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NBB20-L2-E2-C-V1
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Manufacturer
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Pepperl+Fuchs
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Sensing Characteristics
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Rated Operating Distance
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20 mm (flush mounting)
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Assured Operating Distance
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0–16.2 mm
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Actual Operating Distance
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18–22 mm
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Reduction Factor (Aluminum)
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0.33
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Reduction Factor (Copper)
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0.31
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Reduction Factor (Stainless Steel 304)
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0.74
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Reduction Factor (Brass)
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0.41
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Electrical Parameters
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Supply Voltage
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10–30 V DC
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Output Type
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3-wire DC, PNP (sourcing), Normally Open (NO)
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Nominal Operating Current
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200 mA
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Off-State Current
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≤ 0.5 mA
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No-Load Supply Current
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≤ 20 mA
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Voltage Drop
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≤ 3 V
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Switching Frequency
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0–5 Hz
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Hysteresis
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~5%
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Electrical Protection
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Reverse Polarity Protection
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Yes
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Short-Circuit Protection
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Pulsing
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Mechanical Design
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Housing Material
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Polyamide (PA)
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Sensing Face Material
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PA
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Dimensions
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40 mm (W) × 40 mm (H) × 67 mm (L)
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Weight
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130 g
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Mounting
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Flush-mountable
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Connection
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M12 × 1, 4-pin connector
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Indicator
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LED
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Green (operating voltage) and yellow (switching state)
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Environmental Ratings
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IP Rating
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IP69K
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Operating Temperature Range
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-25°C to +85°C
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Storage Temperature Range
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-25°C to +85°C
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Certifications
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Standards
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EN IEC 60947-5-2
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Approvals
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cULus listed, CCC exempt (≤ 36 V DC), RoHS compliant
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Functional Safety
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MTTFd
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1,170 years
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Mission Time (Tm)
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20 years
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Diagnostic Coverage (DC)
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0%
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Applications
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Industrial automation, conveyor systems, robotics, automotive manufacturing, and metal detection in harsh environments.
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Product Tags:
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Pepperl+Fuchs NBB20-L2-E2-C-V1 Inductive Proximity Sensor 20mm Detection IP67 Rated -25°C to +70°C For Industrial Automation Machinery Control & Non Images
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