Pepperl+Fuchs NBB20-U4-UU
Inductive sensor
Inductive sensor
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The NBB20-U4-UU is an inductive sensor that provides non-contact detection of metal objects at a distance of up to 20 mm. It operates with a 20-250 VAC power supply and has a NO/NC output. This sensor is highly reliable and accurate, making it ideal for use in industrial environments. The robust housing ensures durability and stable operation even in harsh environments. Easy integration into existing automation systems makes it convenient to use, ensuring reliable control and efficient operation of production processes.
Protection classI
Sensor head bidirectional and rotatable
NO/NC selectable
Comfort series
Metal base with ground connection
Momentary current (20 ms, 0.1 Hz) | 0 ... 3000 mA |
Reduction factor rAl | 0.4 |
Off-state current | 1.5 mA |
Voltage drop | 5 V (typ. 2V) DC operation 8 V (typ. 2V) AC operation |
Switching state indicator | LED, yellow |
Switching frequency | AC, 0 ... 30 Hz DC, 0 ... 100 Hz |
Reverse polarity protection | reverse polarity tolerant |
Switching function | Normally open/closed (NO/NC) |
UL approval | cULus Listed, General Purpose |
Reduction factor r304 | 0.77 |
Ambient temperature | -25 ... 85 В°C (-13 ... 185 В°F) |
Sensing face | PA 6.6 |
Reduction factor rFe | 1 |
Housing material | PA 6.6 / metal |
Actual operating distance | 18 ... 22 mm |
Core cross-section | up to 2.5 mm2 |
Mission Time (TM) | 20 a |
Reduction factor rCu | 0.3 |
Connection type | terminal compartment |
Storage temperature | -25 ... 85 В°C (-13 ... 185 В°F) |
Information for connection | A maximum of two conductors with the same core cross section may be mounted on one terminal connection! tightening torque 1.2 Nm + 10 % |
Operating voltage indicator | LED, green |
CCC approval | Ue 75VDC - 250VDC Ue 75VAC - 230VAC |
Reduction factor rBrass | 0.43 |
Rated operating distance | 20 mm |
Operating current | 5 ... 500 mA |
Error indicator | flashes when overcurrent |
Output polarity | AC/DC |
Hysteresis | 1 ... 10 typ. 5 % |
Output type | 2-wire |
Short-circuit protection | pulsing |
Degree of protection | IP67 |
Diagnostic Coverage (DC) | 0 % |
MTTFd | 540 a |
Operating voltage | 20 ... 300 V DC / 20 ... 253 V AC |
Assured operating distance | 0 ... 16.2 mm |
Output type | Two-wire |
Installation | flush |
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