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NCN3-F31K2M-N4-B23-S

Double sensor, PC (glass-fiber Makrolon), Type: 2-wire, flush, DC, screw terminals, IP66 / IP68 / IP69

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SKU: PF-235081 Manufacturer part number: 235081

Technical data of  NCN3-F31K2M-N4-B23-S

General specifications
Switching function 2 x normally closed (NC)
Output type NAMUR
Rated operating distance 3 mm
Installation flush mountable
Assured operating distance 0 ... 2.4 mm
For assured operating distance sar see Manual Functional Safety.
Actual operating distance 2.7 ... 3.3 mm typ.
Actuating element Stainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.4
Reduction factor r304 0.7
Reduction factor rSt37 1
Reduction factor rBrass 0.5
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 ... 3 kHz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected ≥ 3 mA
Measuring plate detected ≤ 1 mA
Time delay before availability ≤ 1 ms
Switching state indicator LED, yellow
Valve status indicator LED, yellow
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
MTTFd 1730 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Valve circuit
Voltage max. 32 V DC
Current max. 240 mA
Short-circuit protection no
Reverse polarity protection yes, with reversed output LED is out of function, therfore more power for solenoid valve
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility NE 21:2007
Standards EN 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
IECEx approval
Equipment protection level Ga IECEx TUR 17.0055X
Equipment protection level Gb IECEx TUR 17.0055X
Equipment protection level Da IECEx TUR 17.0055X
ATEX approval
Equipment protection level Ga TÜV 17 ATEX 8125 X
Equipment protection level Gb TÜV 17 ATEX 8125 X
Equipment protection level Gc (ic) PF13CERT2895 X
Equipment protection level Da TÜV 17 ATEX 8125 X
UL approval cULus Listed, General Purpose, Class 2 Power Source
Ordinary Location E87056
Hazardous Location E501628
Control drawing 116-0455
CCC approval
Hazardous Location 2020322315002305
NEPSI approval
NEPSI certificate GYJ18.1172X
Ambient conditions
Ambient temperature -40 ... 100 °C (-40 ... 212 °F)
Storage temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type screw terminals
Connection (system side) Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , 1/2" NPT cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm
Core cross-section (system side) rigid: 0.14 ... 2.5 mm2
flexible: 0.14 ... 1.5 mm2
flexible with core-end sleeve: 0.25 ... 1.5 mm2
Connection (valve side) like connection (system side)
Core cross-section (valve side) like core cross section (system side)
Housing material PC (glass-fiber-reinforced Makrolon)
Housing base powder coated aluminum
Degree of protection IP66 / IP68 / IP69
Tightening torque, housing screws ≤ 2 Nm
Tightening torque, cable gland Refer to NEC (National Electrical Code), hand-tight then wrench tightened (max. 3 turns)
Note LED switch-off
General information
Use in the hazardous area see instruction manuals
 
SKU
PF-235081
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Products specifications
Attribute name Attribute value
Operating Distance 3mm
Output NAMUR NC
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Product Files
Type Name File Name / Description

Technical data of  NCN3-F31K2M-N4-B23-S

General specifications
Switching function 2 x normally closed (NC)
Output type NAMUR
Rated operating distance 3 mm
Installation flush mountable
Assured operating distance 0 ... 2.4 mm
For assured operating distance sar see Manual Functional Safety.
Actual operating distance 2.7 ... 3.3 mm typ.
Actuating element Stainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.4
Reduction factor r304 0.7
Reduction factor rSt37 1
Reduction factor rBrass 0.5
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 ... 3 kHz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected ≥ 3 mA
Measuring plate detected ≤ 1 mA
Time delay before availability ≤ 1 ms
Switching state indicator LED, yellow
Valve status indicator LED, yellow
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
MTTFd 1730 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Valve circuit
Voltage max. 32 V DC
Current max. 240 mA
Short-circuit protection no
Reverse polarity protection yes, with reversed output LED is out of function, therfore more power for solenoid valve
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility NE 21:2007
Standards EN 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
IECEx approval
Equipment protection level Ga IECEx TUR 17.0055X
Equipment protection level Gb IECEx TUR 17.0055X
Equipment protection level Da IECEx TUR 17.0055X
ATEX approval
Equipment protection level Ga TÜV 17 ATEX 8125 X
Equipment protection level Gb TÜV 17 ATEX 8125 X
Equipment protection level Gc (ic) PF13CERT2895 X
Equipment protection level Da TÜV 17 ATEX 8125 X
UL approval cULus Listed, General Purpose, Class 2 Power Source
Ordinary Location E87056
Hazardous Location E501628
Control drawing 116-0455
CCC approval
Hazardous Location 2020322315002305
NEPSI approval
NEPSI certificate GYJ18.1172X
Ambient conditions
Ambient temperature -40 ... 100 °C (-40 ... 212 °F)
Storage temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type screw terminals
Connection (system side) Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , 1/2" NPT cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm
Core cross-section (system side) rigid: 0.14 ... 2.5 mm2
flexible: 0.14 ... 1.5 mm2
flexible with core-end sleeve: 0.25 ... 1.5 mm2
Connection (valve side) like connection (system side)
Core cross-section (valve side) like core cross section (system side)
Housing material PC (glass-fiber-reinforced Makrolon)
Housing base powder coated aluminum
Degree of protection IP66 / IP68 / IP69
Tightening torque, housing screws ≤ 2 Nm
Tightening torque, cable gland Refer to NEC (National Electrical Code), hand-tight then wrench tightened (max. 3 turns)
Note LED switch-off
General information
Use in the hazardous area see instruction manuals
 
SKU
PF-235081
Products specifications
Attribute name Attribute value
Operating Distance 3mm
Output NAMUR NC