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NBN3-F31K2-E8-B13-S Inductive sensor

Key Benefits at a Glance

  • Direct mounting on standard actuators
  • Weatherproof housing for outdoor applications
  • Temperature range -40 ... 167 °F (-40°C to 75°C)
  • LED for power on
  • LEDs for switching state of sensor and solenoid valve
  • Plug-in terminals

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Please contact us for exact delivery estimation.
Product photo: Inductive sensor NBN3-F31K2-E8-B13-S
Dimensions: Inductive sensor NBN3-F31K2-E8-B13-S
Product photo: Inductive sensor NBN3-F31K2-E8-B13-S
Dimensions: Inductive sensor NBN3-F31K2-E8-B13-S
Product Compliance: United Kingdom – UKCA
Product Compliance: Europe – CE
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetClassificationInformative LiteratureProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of NBN3-F31K2-E8-B13-S

Switching function2 x normally open (NO)
Output typePNP
Rated operating distancesn2.5 mm
Installationfor non-flush mounting
Output polarityDC
Assured operating distancesa0 ... 2.05 mm
Output type4-wire
Operating voltageUB10 ... 30 V
Switching frequencyf0 ... 100 Hz
HysteresisHtyp. 5 %
Reverse polarity protectionall connections
Short-circuit protectionpulsing
Voltage dropUd≤ 3 V
Operating currentIL0 ... 100 mA
Off-state currentIr0 ... 0.5 mA typ. 0.1 µA
No-load supply currentI0≤ 25 mA
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
MTTFd490 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Voltagemax. 32 V DC
Currentmax. 240 mA
Short-circuit protectionno
Reverse polarity protectionyes, with reversed output LED is out of function, therfore more power for solenoid valve
Standard conformity
StandardsEN IEC 60947-5-2
Ambient temperature-40 ... 75 °C (-40 ... 167 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Connection (system side)screw terminal , M20 x 1.5 cable gland
Core cross section (system side)1.5/2.5 mm2 flexible/rigid
Housing materialrugged, translucent polycarbonate (PC) optimised for outdoor use
Housing basePC
Degree of protectionIP66 / IP68 / IP69
Tightening torque, fastening screws≤ 5 Nm
Tightening torque, housing screws1.5 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 7 Nm
Tightening torque, stopping plug1 Nm
Dimensions
Height53 mm
Width100 mm
Length106 mm
General Notes
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Related News and Applications

Read more on news and applications related to this product.

F31K2 Dual Inductive Sensor
Products and Solutions
18/08/2022

F31K2 Dual Inductive Sensor: The Highly Robust Solution for Valve Position Feedback

To reliably monitor the correct position of valves, the F31K2 dual inductive sensor series now encompasses a non-intrinsically safe variant with IECEx approval for worldwide use in Zone 2/22 hazardous areas, as well as a low-power variant.
More information

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