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)