Inductive sensor NCN3-F31K-N4-S
Technical Data
General specifications
Switching function 2 x normally closed (NC)
Output type NAMUR
Rated operating distance sn3 mm
Installation flush mountable
Assured operating distance sa0 ... 2.4 mm
0102
Model Number
NCN3-F31K-N4-S
Features
• Direct mounting on standard actuators
• Compact and stable housing with
terminal compartment connection
• Fixed setting
• EC-Type Examination Certificate
TÜV99 ATEX 1479X
•Screw terminals
• Usable up to SIL 2 acc. to IEC 61508
Accessories
BT65A
Activator for F31 series
BT65X
Activator for F31 series
BT115A
Activator for F31 series
BT115X
Activator for F31 series
BT65B
Activator for F31 series
BT115B
Activator for F31 series
Actual operating distance s
Actuating element Stainless steel 1.4305 / AISI 303
Reduction factor r
Reduction factor rCu 0.4
Reduction factor r
Reduction factor r
Reduction factor r
Output type 2-wire
Nominal ratings
Nominal voltage Uo8 V
Switching frequency f 0 ... 3 kHz
Hysteresis H 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
Measuring plate detected
Time delay before availability t
Switching state indicator LED, yellow
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
MTTF
1470 a
d
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Storage temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection (system side) Screw terminals, tightening torque min. 0.5 Nm
Core cross-section (system side) rigid: 0.14 ... 2.5 mm
Housing material PBT
Sensing face PBT
Degree of protection IP67
Tightening torque, housing screws 1 Nm
Tightening torque, cable gland M20 x 1.5 ; ≤ 7 Nm
General information
Use in the hazardous area see instruction manuals
Compliance with standards and
directives
Standard conformity
NAMUR
Electromagnetic compatibility
Standards
Approvals and certificates
EAC conformity TR CU 012/2011
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
0.5
Al
1
304
1.3
St37
0.6
Brass
2.7 ... 3.3 mm typ.
r
8.5 mm x 8.5 mm x 0.5 mm
≥ 3 mA
≤ 1 mA
≤ 1.1 ms
v
Stripped length 7 mm
2
flexible: 0.14 ... 1.5 mm
flexible with core-end sleeve: 0.25 ... 1.5 mm
EN 60947-5-6:2000
IEC 60947-5-6:1999
NE 21:2007
EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
2
2
Release date: 2018-04-19 08:15 Date of issue: 2018-04-19 223953_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
1
Inductive sensor NCN3-F31K-N4-S
Dimensions
65
I
40
Electrical Connection
35
77.5
95
7
N4
II
5.4
9
M20 x 1.5
11
14
S
LED
30
S
4
I
5
1
II
2
I
I
II
+
+
-
Release date: 2018-04-19 08:15 Date of issue: 2018-04-19 223953_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
Inductive sensor NCN3-F31K-N4-S
Data for application in connection with hazardous
areas
Equipment protection level Ga , Gb , Gc (ic) Da , Mb
Equipment protection level Ga
Type of protection intrinsic safety
CE marking 0102
Certificates
Appropriate type
ATEX certificate
ATEX marking
Standards
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
i
i
Maximum permissible ambient temperature T
for ATEX
for IECEx
NCN3-F31K-N4...
TÜV 99 ATEX 1479 X
¬ II 1G Ex ia IIC T6...T1 Ga
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx TUN 17.0021X
Ex ia IIC T6...T1 Ga
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
≤ 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
= 15 V , Ii = 25 mA , Pi = 34 mW ,
at U
i
T6 : 55 °C (131 °F)
T5 : 65 °C (149 °F)
T4 : 95 °C (203 °F)
T3 : 95 °C (203 °F)
T2 : 95 °C (203 °F)
T1 : 95 °C (203 °F)
at U
= 15 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 55 °C (131 °F)
T5 : 65 °C (149 °F)
T4 : 95 °C (203 °F)
T3 : 95 °C (203 °F)
T2 : 95 °C (203 °F)
T1 : 95 °C (203 °F)
at U
= 15 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 45 °C (113 °F)
T5 : 60 °C (140 °F)
T4 : 85 °C (185 °F)
T3 : 85 °C (185 °F)
T2 : 85 °C (185 °F)
T1 : 85 °C (185 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 15 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 15 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °F)
Release date: 2018-04-19 08:15 Date of issue: 2018-04-19 223953_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
3
Inductive sensor NCN3-F31K-N4-S
Equipment protection level Gb
Type of protection intrinsic safety
CE marking 0102
Certificates
Appropriate type
ATEX certificate
ATEX marking
Standards
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
i
i
Maximum permissible ambient temperature T
Equipment protection level Gc (ic)
Type of protection intrinsic safety
CE marking
NCN3-F31K-N4...
TÜV 99 ATEX 1479 X
¬ II 1G Ex ia IIC T6…T1 Ga
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx TUN 17.0021X
Ex ia IIC T6...T1 Ga
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
≤ 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
at U
= 15 V , Ii = 25 mA , Pi = 34 mW ,
i
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 15 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 15 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °F)
Certificates
ATEX certificate
ATEX marking
Standards
Effective internal inductivity C
Effective internal inductance L
Maximum permissible ambient temperature T
i
i
amb
PF13CERT2895 X
¬ II 3G Ex ic IIC T6…T1 Gc
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
≤ 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
≤ 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at U
= 20 V , Ii = 25 mA , Pi = 34 mW ,
i
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 20 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 20 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °F)
Release date: 2018-04-19 08:15 Date of issue: 2018-04-19 223953_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
4
Inductive sensor NCN3-F31K-N4-S
Equipment protection level Da
Type of protection intrinsic safety
CE marking 0102
Certificates
Appropriate type
ATEX certificate
ATEX marking
Standards
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
i
i
Maximum permissible ambient temperature T
Equipment protection level Mb
Type of protection intrinsic safety
CE marking 0102
Certificates
Appropriate type
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
i
i
Maximum permissible ambient temperature T
NCN3-F31K-N4-S...
TÜV 99 ATEX 1479 X
¬ II 1D Ex ia IIIC T135°C Da
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx TUN 17.0021X
Ex ia IIIC T135°C Da
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 100 nF
A cable length of 10 m is considered.
≤ 100 µH
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
at U
= 15 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
i
at U
= 15 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
i
at U
= 15 V , Ii = 52 mA , Pi = 169 mW : 90 °C (194 °F)
i
NCN3-F31K-N4...
IECEx TUN 17.0021X
Ex ia I Mb
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
≤ 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
at U
= 15 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
i
at U
= 15 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
i
at U
= 15 V , Ii = 52 mA , Pi = 169 mW : 90 °C (194 °F)
i
Release date: 2018-04-19 08:15 Date of issue: 2018-04-19 223953_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
5
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