NBB20-U4-A2 - PEPPERL+FUCHS - Datasheet.Directory

Inductive sensor NBB20-U4-A2

Release date: 2015-02-24 10:52 Date of issue: 2015-02-24 203054_eng.xml

Germany: +49 621 776 4411Pepperl+Fuchs Group

Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.

USA: +1 330 486 0001 Singapore: +65 6779 9091

www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com

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Model Number

NBB20-U4-A2

Features

• Sensor head bidirectional and rotat-

able

• 20 mm flush

•4-wire DC

• 4 LEDs indicator for 360° visibility

Accessories

MHW 01

Modular mounting bracket

MH 04-2681F

Mounting aid for VariKont, +U1+ and +U9*

Technical Data

General specifications

Switching element function PNP NO/NC

Rated operating distance sn20 mm

Installation flush

Output polarity DC

Assured operating distance sa0 ... 16.2 mm

Reduction factor rAl 0.33

Reduction factor rCu 0.31

Reduction factor r304 0.74

Reduction factor rBrass 0.41

Nominal ratings

Operating voltage UB10 ... 30 V DC

Switching frequency f 0 ... 150 Hz

Hysteresis H typ. 5 %

Reverse polarity protection reverse polarity protected

Short-circuit protection pulsing

Volta ge drop Ud≤ 2 V

Operating current IL0 ... 200 mA

Off-state current Ir0 ... 0.5 mA

No-load supply current I0≤ 20 mA

Time delay before availability tv80 ms

Operating voltage indicator LED, green

Switching state indicator LED, yellow

Functional safety related parameters

MTTFd 1230 a

Mission Time (TM) 20 a

Diagnostic Coverage (DC) 0 %

Ambient conditions

Ambient temperature -25 ... 85 °C (-13 ... 185 °F)

Mechanical specifications

Connection type screw terminals

Core cross-section ≤ 2.5 mm2

Housing material PA/metal with epoxy powder coating

Sensing face PA

Housing base metal

Degree of protection IP68 / IP69K

Mass 225 g

Note Tightening torque: 1.8 Nm (housing)

Tightening torque: 1.0 Nm (Screw terminal)

Compliance with standards and directives

Standard conformity

Standards EN 60947-5-2:2007

IEC 60947-5-2:2007

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 ≤36 V

Dimensions

6046

118

40 40

LED ye

LED gn

5.3

½ NPT”