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Attribute | Details |
---|---|
General Information | |
Product Type | Inductive Proximity Sensor |
Model | NBB20-U1-E0 |
Manufacturer | Pepperl+Fuchs |
Sensing Characteristics | |
Rated Operating Distance | 20 mm (flush mounting) |
Assured Operating Distance | 0–16.2 mm (guaranteed reliable detection range)7 |
Metal Reduction Factors | Aluminum (0.33), Copper (0.31), Stainless Steel 304 (0.74), Brass (0.41)7 |
Electrical Parameters | |
Supply Voltage | 10–30 V DC |
Output Type | 3-wire DC NPN (normally open)7 |
Nominal Operating Current | 0–200 mA7 |
Off-State Current | ≤ 0.5 mA7 |
No-Load Supply Current | ≤ 20 mA7 |
Voltage Drop | ≤ 2 V7 |
Switching Frequency | 0–440 Hz (high-speed operation)7 |
Hysteresis | Approximately 5% (minimizes signal fluctuations)7 |
Electrical Protection | Reverse polarity protection; pulsing short-circuit protection; overload protection7 |
Mechanical Design | |
Housing Material | PA (polyamide) with epoxy powder coating (corrosion and impact resistance)7 |
Sensing Face Material | PA7 |
Dimensions | 118 mm (length) × 40 mm (width) × 40 mm (height)7 |
Weight | 225 g7 |
Mounting | Flush-mountable with bidirectional/rotatable sensor head7 |
Connection | Screw terminals (supporting up to 2.5 mm² conductors with 1.2 Nm torque)7 |
Indicators | |
LEDs | Four 360° visible LEDs: Green (power status), Yellow (switching state)7 |
Environmental Ratings | |
IP Rating | IP68/IP69K (resistant to high-pressure jet cleaning and dust ingress)7 |
Operating Temperature Range | -25°C to +85°C (ambient); -40°C to +85°C (storage)7 |
Certifications & Approvals | |
Standards | EN IEC 60947-5-2 (industrial switchgear), RoHS compliant7 |
Approvals | cULus listed, CSA approved, CCC exempt (≤36 V DC)7 |
Functional Safety | |
MTTFd (Mean Time To Failure) | 1,510 years (estimated reliability for non-safety-integrated applications)7 |
Mission Time (Tm) | 20 years7 |
Diagnostic Coverage (DC) | 0%7 |
Applications | Industrial automation, conveyor systems, robotics, automotive manufacturing, and harsh environments requiring high-pressure washdown resistance (e.g., food processing, metalworking, logistics) |