Pepperl+Fuchs NEN20-18GM50-E1

Inductive sensor
Pepperl+Fuchs NEN20-18GM50-E1
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General specifications
Switching element functionNPN NC
Rated operating distance20 mm
Installationnon-flush
Output polarityDC
Assured operating distance0 ... 16.2 mm
Actuating elementmild steel, e. g. 1.0037, SR235JR (formerly St37-2)
60 mm x 60 mm x 1 mm
Reduction factor rAl 0.35
Reduction factor rCu 0.3
Reduction factor r304 0.7
Reduction factor rBrass 0.45
Nominal ratings
Installation conditions
Ain steel 1.0037 (St37): 20 mm
B30 mm
C60 mm
F78 mm
Operating voltage10 ... 30 V
Switching frequency0 ... 200 Hz
Hysteresis0.1 ... 2 mm
Reverse polarity protectionyes
Short-circuit protectionpulsing
Overload resistanceyes
Wire breakage protectionyes
Inductive overvoltage protectionyes
Surge suppressionyes
Ripple10 %
Voltage dropless than or equal to 2 V
Repeat accuracy1 mm
Operating current0 ... 200 mA
Off-state currentless than or equal to 10 mA
No-load supply currentless than or equal to 11 mA
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1960 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection typecable PUR , 2 m
Core cross-section0.34 mm2
Housing materialbrass, nickel-plated
Sensing facePBT
Housing diameter18 mm
Degree of protectionIP67
Mass100 g
Tightening torque, fastening screwsmax. 20 Nm
in international format without spaces
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