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NBB20-U1-A2 – Inductive Sensor – PEPPERL+FUCHS Proximity Sensors

$ 85.10

SKU NBB20-U1-A2 Category

PEPPERL+FUCHS Inductive proximity sensors are the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. As a pioneer and market leader, Pepperl+Fuchs offers innovative, high quality inductive sensors to meet the needs of the worldwide automation and process control markets. Our experience, flexibility and customer focus continues to allow us to offer custom designed solutions for the most unique and demanding applications.

General Specification

Switching function complementary
Output type PNP
Rated operating distance sn 20 mm
Installation flush
Output polarity DC
Assured operating distance sa 0 … 16.2 mm
Reduction factor rAl 0.33
Reduction factor rCu 0.31
Reduction factor r304 0.74
Reduction factor rBrass 0.38
Output type 4-wire

Nominal ratings

Operating voltage UB 10 … 30 V DC
Switching frequency f 0 … 440 Hz
Hysteresis H typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Voltage drop Ud ≤ 2 V
Operating current IL 0 … 200 mA
Off-state current Ir 0 … 0.5 mA
No-load supply current I0 ≤ 20 mA
Time delay before availability tv 80 ms
Operating voltage indicator LED, green
Switching state indicator LED, yellow

Functional safety related parameters

MTTFd 1289 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %

Compliance with standards and directives

Standard conformity
Standards EN IEC 60947-5-2

Approvals and certificates

UL approval cULus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V

Ambient conditions

Ambient temperature -25 … 85 °C (-13 … 185 °F)
Storage temperature -40 … 85 °C (-40 … 185 °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
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
Housing material PA/metal with epoxy powder coating
Sensing face PA
Housing base plastic
Degree of protection IP68 / IP69K
Mass 225 g
Dimensions
Height 40 mm
Width 40 mm
Length 118 mm
Note Tightening torque: 1.8 Nm (housing)

Additional information

Dimensions 11.8 × 4 × 4 cm

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