Pepperl Fuchs NBB20-U4-UU Specifications

6046

118

30

40

40

LED ye

LED ye

LED gn

5.3

½” NPT

Germany: [phone]Pepperl+Fuchs Group

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".

USA: [phone] Singapore: [phone]

www.pepperl-fuchs.com [e-mail] [e-mail]

[e-mail]

Dimensions

Inductive sensor

NBB20-U4-UU

Sensor head bidirectional and rotatable

<

NO/NC selectable

<

Comfort series

<

Metal base with ground connection

<

Technical Data

n

a

r

20 mm

0 ... 16.2 mm

18 ... 22 mm

General specifications

Switching function Normally open/closed (NO/NC)

Output type Two-wire

Rated operating distance s

Installation flush

Output polarity AC/DC

Assured operating distance s

Actual operating distance s

Reduction factor rAl 0.4

Reduction factor rCu 0.3

Release date: 2020-12-10 Date of issue: 2020-12-10 Filename: 248043_eng.pdf

1

Inductive sensor NBB20-U4-UU

Germany: [phone]Pepperl+Fuchs Group

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".

USA: [phone] Singapore: [phone]

www.pepperl-fuchs.com [e-mail] [e-mail]

[e-mail]

Technical Data

Reduction factor r

0.77

304

Reduction factor rFe 1

Reduction factor r

0.43

Brass

Output type 2-wire

Nominal ratings

Switching frequency f AC, 0 ... 30 Hz

DC, 0 ... 100 Hz

Hysteresis H 1 ... 10 typ. 5 %

Reverse polarity protection reverse polarity tolerant

Short-circuit protection pulsing

Voltage drop U

Momentary current

≤ 5 V (typ. 2V) DC operation

d

≤ 8 V (typ. 2V) AC operation

0 ... 3000 mA

(20 ms, 0.1 Hz)

Operating current I

Off-state current I

Time delay before availability t

L

r

v

5 ... 500 mA

≤ 1.5 mA

≤ 300 ms

Operating voltage indicator LED, green

Switching state indicator LED, yellow

Error indicator flashes when overcurrent

Functional safety related parameters

MTTF

d

540 a

Mission Time (TM) 20 a

Diagnostic Coverage (DC) 0 %

Electrical specifications

Rated operating voltage U

Operating voltage U

24 ... 250 V DC / 24 ... 230 V AC

e

20 ... 300 V DC / 20 ... 253 V AC

B

Compliance with standards and directives

Standard conformity

Standards EN 60947-5-2:2007

EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012

Approvals and certificates

Protection class I

Rated insulation voltage U

Rated impulse withstand voltage U

i

imp

230 V

2.5 kV

UL approval cULus Listed, General Purpose

CCC approval Ue 75VDC - 250VDC Ue 75VAC - 230VAC

Ambient conditions

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

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

Mechanical specifications

Connection type terminal compartment

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 mm

Minimum core cross-section without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm

Maximum core cross-section without wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm

2

2

2

Housing material PA 6.6 / metal

Sensing face PA 6.6

Housing base metal / class I equipment with ground connection

Degree of protection IP67

Release date: 2020-12-10 Date of issue: 2020-12-10 Filename: 248043_eng.pdf

2