Pepperl+Fuchs NCN3-F31K-N4 Inductive sensor

Pepperl+Fuchs NCN3-F31K-N4
Item Number: NCN3-F31K-N4
Series: Rectangular type, Housing material: PBT, Rated operating distance: 3 mm, Connection (system side): Cage tension spring terminals, Output type: 2-wire, Installation: flush mountable, Type of voltage: DC, ATEX 3G
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General specifications
Switching element functionDC Dual NC
Rated operating distance3 mm
Installationflush mountable
Output polarityNAMUR
Assured operating distance0 ... 2.4 mm
Reduction factor rAl 0.35
Reduction factor rCu 0.3
Reduction factor r304 0.75
Reduction factor rSt37 1
Reduction factor rBrass 0.45
Nominal ratings
Nominal voltage8 V
Switching frequency0 ... 3 kHz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detectedgreater or equal 3 mA
Measuring plate detectedless than or equal to 1 mA
Switching state indicatorLED, yellow
Compliance with standards and directives
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibilityNE 21:2007
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection (system side)Cage tension spring terminals
Core cross-section (system side)Flexible: 0.2 ... 1.5 mm2
rigid: 0.2 ... 2.5 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP67
Tightening torque, housing screws1 Nm
Tightening torque, cable glandM20 x 1.5 - max. 7 Nm
ATEX 1G
Specific conditions
Lead insertionThe connection cables should either be fixed when laid and mechanically protected or installed in such a way, that a force of 30 N applied in the direction of the cable inlet for one hour, does not lead to any visible displacement of the cable connections, even though the cable sheathing is displaced, see also IEC 60079-11. Depending on the type of installation, a suitable cable in accordance with Type A oder B of IEC 60079-14, must be used.
ATEX 2G
Specific conditions
Lead insertionThe connection cables should either be fixed when laid and mechanically protected or installed in such a way, that a force of 30 N applied in the direction of the cable inlet for one hour, does not lead to any visible displacement of the cable connections, even though the cable sheathing is displaced, see also IEC 60079-11. Depending on the type of installation, a suitable cable in accordance with Type A oder B of IEC 60079-14, must be used.
General information
Use in the hazardous areasee instruction manuals
Category1G- 2G- 3G

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