Pepperl+Fuchs NBB20-U1K-N0
Inductive sensor
- Overview +
- Comments +
The NBB20-U1K-N0 is an inductive sensor that provides non-contact detection of metal objects at a distance of up to 20 mm. It operates with 20-250 V AC power supply and has an NC output. The sensor is characterized by high reliability and accuracy, making it ideal for use in industrial environments. The robust housing ensures long and stable operation even in harsh environments. The compact design makes it easy to integrate into existing automation systems, ensuring a stable and reliable detection process.
| General specifications | ||
| Switching element function | NAMUR, NC | |
| Rated operating distance | 20 mm | |
| Installation | flush | |
| Output polarity | NAMUR | |
| Assured operating distance | 0 ... 16.2 mm | |
| Reduction factor rAl | 0.37 | |
| Reduction factor rCu | 0.35 | |
| Reduction factor r304 | 0.79 | |
| Nominal ratings | ||
| Nominal voltage | 8.2 V (Ri approx. 1 kOm) | |
| Switching frequency | 0 ... 250 Hz | |
| Hysteresis | 1 ... 15 typ. 5 % | |
| Reverse polarity protection | reverse polarity protected | |
| Short-circuit protection | yes | |
| Current consumption | ||
| Measuring plate not detected | greater or equal 3 mA | |
| Measuring plate detected | less than or equal to 1 mA | |
| Switching state indicator | LED, yellow | |
| Compliance with standards and directives | ||
| Standard conformity | ||
| NAMUR | EN 60947-5-6:2000 IEC 60947-5-6:1999 | |
| Electromagnetic compatibility | NE 21:2007 | |
| Approvals and certificates | ||
| UL approval | cULus Listed, General Purpose | |
| CSA approval | cCSAus Listed, General Purpose | |
| CCC approval | CCC approval / marking not required for products rated less than or equal to 36 V | |
| Ambient conditions | ||
| Ambient temperature | -25 ... 100 °C (-13 ... 212 °F) | |
| Storage temperature | -40 ... 100 °C (-40 ... 212 °F) | |
| Mechanical specifications | ||
| Connection type | screw terminals | |
| Core cross-section | less than or equal to 2.5 mm2 | |
| Housing material | PA | |
| Sensing face | PA | |
| Degree of protection | IP66 / IP68 / IP69K | |
| Mass | 225 g | |
| Note | Tightening torque: 1.8 Nm (housing) Tightening torque: 1.0 Nm (Screw terminal) | |
| General information | ||
| Use in the hazardous area | see instruction manuals | |
| Category | 1G- 2G- 3G | |
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