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NCN3-F31K-N4

Switching function2 x normally closed (NC)Output typeNAMURRated operating distance3 mmInstallationflush mountableAssured

重要参数:

系列:矩形

外壳材料:PBT

输出及电压类型:2线,DC

连接类型:螺丝接线端子

Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distance3 mm
Installationflush mountable
Assured operating distance0 ... 2.4 mm
Actual operating distance2.7 ... 3.3 mm typ.
Actuating elementStainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl0.5
Reduction factor rCu0.4
Reduction factor r3041
Reduction factor rSt371.3
Reduction factor rBrass0.6
Output type2-wire


General specifications
Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distance3 mm
Installationflush mountable
Assured operating distance0 ... 2.4 mm
Actual operating distance2.7 ... 3.3 mm typ.
Actuating elementStainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl0.5
Reduction factor rCu0.4
Reduction factor r3041
Reduction factor rSt371.3
Reduction factor rBrass0.6
Output type2-wire
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 detected≥ 3 mA

Measuring plate detected≤ 1 mA
Time delay before availability≤ 1.1 ms
Switching state indicatorLED, yellow
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd1470 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Compliance with standards and directives
Standard conformity

NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999

Electromagnetic compatibilityNE 21:2007

StandardsEN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
EAC conformityTR CU 012/2011
UL approvalcULus Listed, General Purpose

Ordinary LocationE87056

Hazardous LocationE501628

Control drawing116-0456
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤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
General information
Use in the hazardous areasee instruction manuals