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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-V1
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Sensing Principle
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Non-contact detection of metallic objects via inductive technology
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Switching Function
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Normally Open (NO), PNP Output
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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 (safety margin for reliable detection)
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Actual Operating Distance
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18–22 mm (varies with target material)
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Reduction Factors
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Aluminum (Al): 0.33; Copper (Cu): 0.31; Stainless Steel 304: 0.74; Brass: 0.41
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Output Type
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3-wire DC, PNP (compatible with standard industrial control systems)
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Voltage Range
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10–30 V DC (wide-range compatibility for industrial applications)
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Switching Frequency
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0–440 Hz (suitable for high-speed automation processes)
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Hysteresis
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Typical 5% (minimizes signal fluctuations from vibration)
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Protection Features
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Reverse polarity protection; Pulsing short-circuit protection
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Voltage Drop
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≤2 V (ensures stable signal transmission under load)
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Operating Current
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0–200 mA (with low off-state current: 0–0.5 mA for energy efficiency)
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LED Indicators
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4x 360° visibility LEDs (green: power; yellow: switching state)
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Mechanical Design
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Housing Material
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Polyamide (PA) (durable and corrosion-resistant)
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Sensing Face Material
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Polyamide (PA)
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Connection Type
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M12 x 1 connector (4-pin, standardized industrial interface)
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Mounting
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Flush installation with quick-mount bracket (simplifies setup in tight spaces)
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Dimensions
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40 mm (height) x 40 mm (width) x 67 mm (length) (compact rectangular design)
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Weight
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130 g (lightweight for easy integration)
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Environmental Ratings
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IP Rating
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IP68/IP69K (protected against dust, water immersion, and high-pressure jets)
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Temperature Range
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-25°C to 85°C (-13°F to 185°F) (operational in harsh industrial environments)
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Storage Temperature
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-40°C to 85°C (-40°F to 185°F) (extended durability during non-operation)
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Certifications & Compliance
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Standards
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EN/IEC 60947-5-2 (electrical equipment for low-voltage systems)
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Approvals
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UL (Class I, Division 2, Groups A, B, C, D), CE, CCC exemption (≤36 V)
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Functional Safety
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MTTFd: 1289 years; Mission Time: 20 years (proven reliability for critical systems)
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Additional Features
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Adjustable Sensing Head
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Bidirectional and rotatable (optimizes detection angles in complex setups)
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System Classifications
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EClass 27274001; ETIM EC002714; UNSPSC 39121550 (industry-standard coding)
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Applications
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Manufacturing, logistics, robotics, conveyor systems, and process control
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