Pepperl+Fuchs NBN3-F31K-Z8-K
Inductive sensor

Pepperl+Fuchs NBN3-F31K-Z8-K
Series: Rectangular type, Housing material: PBT, Rated operating distance: 3 mm, Connection (valve side): Cage tension spring terminals, Output type: 2-wire, Installation: flush mountable, Type of voltage: DC
Item Number: NBN3-F31K-Z8-K
152.74
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Total price: 152.74
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  • Overview
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General specifications
Switching element functionDC binary 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 1.1
Nominal ratings
Operating voltage6 ... 60 V DC
Switching frequency0 ... 500 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionno
Voltage dropless than or equal to 6 V
Operating current4 ... 100 mA
Lowest operating current4 mA
Off-state current0 ... 1 mA typ. 0.7 mA
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
Limit data
Tightening torque, fastening screws0.4 Nm
Functional safety related parameters
MTTFd590 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °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
Degree of protectionIP67
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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