Pepperl Fuchs Inductive sensor NBN40-U1K-N0
40 mm non-flush
NAMUR output
Polarity reversal protected
Sensor head bidirectional and rotatable
General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance 40 mm
Installation non-flush
Assured operating distance 0 ... 32.4 mm
Actual operating distance 36 ... 44 mm
Reduction factor rAl 0.45
Reduction factor rCu 0.45
Reduction factor r304 0.8
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 ... 100 Hz
Hysteresis 1 ... 15 % typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Current consumption
Measuring plate not detected ≥ 3 mA
Measuring plate detected ≤ 1 mA
Switching state indicator LED, yellow
Functional safety related parameters
MTTFd 1415 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility NE 21:2007
Standards EN IEC 60947-5-2
Approvals and certificates
IECEx approval
Equipment protection level Ga IECEx PTB 11.0021X
Equipment protection level Gb IECEx PTB 11.0021X
Equipment protection level Da IECEx PTB 11.0021X
Equipment protection level Mb IECEx PTB 11.0021X
ATEX approval
Equipment protection level Ga PTB 00 ATEX 2032 X
Equipment protection level Gb PTB 00 ATEX 2032 X
Equipment protection level Da PTB 00 ATEX 2032 X
UL approval cULus Listed, General Purpose
Ordinary Location E87056
Hazardous Location E501628
Control drawing 116-0451
CCC approval
Hazardous Location 2020322315002303
NEPSI approval
NEPSI certificate GYJ16.1394X
CML approval on request
ANZEx 19.3001X
Marine approval DNVGL TAA00001A5
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Storage temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type screw terminals
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 %
Core cross section up to 2.5 mm2 , stripped insulation length: 7 mm
Minimum core cross-section without wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-section without wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2
Connection (system side) screw terminals , M20 x 1.5 cable gland , usable thread length 9.1 mm , screw-in depth max. 9.1 mm
Housing material PA
Sensing face PA
Degree of protection IP66 / IP68 / IP69K
Mass 225 g
Dimensions
Height 40 mm
Width 40 mm
Length 118 mm
Note Tightening torque: 1.8 Nm (housing)
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Pepperl Fuchs Inductive sensor NBN40-U1K-N0 Sensor head bidirectional and rotatable Images
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