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)