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Inductive sensor | NBN3-F31K-E8-K

Артикул: NBN3-F31K-E8-K
Наименование: Inductive sensor | NBN3-F31K-E8-K
Производитель: Pepperl-Fuchs


  • Direct mounting on standard actuators
  • Fixed setting
  • Satisfies machinery directive

Datasheet as PDF in following languages:


Technical Data: NBN3-F31K-E8-K

General specifications
Switching element functionPNP Dual NO
Rated operating distance3 mm
Installationflush mountable
Output polarityDC
Assured operating distance0 ... 2.43 mm
Reduction factor rAl 0.5
Reduction factor rCu 0.4
Reduction factor r304 1
Reduction factor rSt37 1.2
Nominal ratings
Operating voltage10 ... 30 V DC
Switching frequency0 ... 500 Hz
Hysteresistyp. 5 %
Reverse polarity protectionall connections
Short-circuit protectionpulsing
Voltage drop≤ 3 V
Operating current0 ... 100 mA
Off-state current0 ... 0.5 mA typ. 0.1 µA
No-load supply current≤ 25 mA
Operating voltage displayLED, green
Switching state indicationLED, yellow
Valve status indication LED, yellow
Functional safety related parameters
MTTFd780 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 70 В°C (-13 ... 158 В°F)
Mechanical specifications
Connection (system side)Cage tension spring terminals
Core cross-section (system side)1.5/2.5 mm2 flexible/rigid
Connection (valve side)Cage tension spring terminals
Core cross-section (valve side)1.5/2.5 mm2 flexible/rigid
Housing materialPBT
Sensing facePBT
Protection degreeIP67
Tightening torque, housing screws1 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 7 Nm
M12 x 1.5 ; max. 3 Nm

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