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Inductive sensor NBB20-U4-E2

Inductive proximity sensor

Inductive sensor NBB20-U4-E2

  • Product Detail

Datasheet excerpt: Technical data of  NBB20-U4-E2

General specifications
Switching function Normally open (NO)
Output type PNP
Rated operating distance 20 mm
Installation flush
Output polarity DC
Assured operating distance 0 ... 16.2 mm
Actual operating distance 18 ... 22 mm typ. 20 mm
Reduction factor rAl 0.33
Reduction factor rCu 0.31
Reduction factor r304 0.74
Reduction factor rBrass 0.41
Output type 3-wire
Nominal ratings
Operating voltage 10 ... 30 V DC
Switching frequency 0 ... 440 Hz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Voltage drop ≤ 2 V
Voltage drop at IL
Voltage drop IL = 1 mA, switching element on 0.5 ... 2.3 V typ. 0.9 V
Voltage drop IL = 10 mA, switching element on 0.8 ... 2.2 V typ. 1.4 V
Voltage drop IL = 20 mA, switching element on 0.9 ... 2.3 V typ. 1.5 V
Voltage drop IL = 50 mA, switching element on 0.9 ... 2.5 V typ. 1.6 V
Voltage drop IL = 100 mA, switching element on 1 ... 2.6 V typ. 1.8 V
Voltage drop IL = 200 mA, switching element on 1.2 ... 2.8 V typ. 2 V
Operating current 0 ... 200 mA
Off-state current 0 ... 0.5 mA typ. 0.01 mA
Off-state current TU =40 °C, switching element off ≤ 100 µA
No-load supply current ≤ 10 mA
Time delay before availability ≤ 50 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 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
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)
Mechanical specifications
Connection type screw terminals
Core cross section max. 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
Dimensions
Height 40 mm
Width 40 mm
Length 118 mm
Note Tightening torque: 1.8 Nm (housing)

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