Pepperl+Fuchs NCN3-F31K-N4-K-Y244381

Inductive sensor
SKU: NCN3-F31K-N4-K-Y244381
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The inductive sensor is designed for direct mounting on standard actuators, providing a fixed setting for reliable performance. It features an EC-Type Examination Certificate TV99 ATEX 1479X and is suitable for use up to SIL 2 in accordance with IEC 61508.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in automated systems, utilized for non-contact detection of metallic objects. These sensors operate on the principle of electromagnetic induction and are widely employed in industrial applications such as automation, packaging, and material handling. By detecting changes in the electric field generated by the presence of metal, they offer high levels of reliability and precision.

With features such as integrated LEDs for monitoring the switching state of the sensor and solenoid valve, these sensors facilitate easy diagnostics and enhance operational efficiency. The ability to disconnect valve LEDs provides flexibility in system configurations. Their compliance with ATEX directives makes them suitable for use in hazardous environments, ensuring safe operation even in challenging industrial settings.

Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Reduction factor rCu 0.4
Maximum permissible ambient temperature Also observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
CE marking [*PD-Z02585A*]
Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Core cross-section (valve side) 1.5/2.5 mm2 flexible/rigid
Safety Integrity Level (SIL) SIL 2
Reverse polarity protection yes, with reversed output LED is out of function, therfore more power for solenoid valve
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Reduction factor rAl 0.5
CE marking [*PD-Z02586A*]
Short-circuit protection yes
Tightening torque, housing screws 1 Nm
Output type 2-wire
Short-circuit protection no
Rated operating distance 3 mm
EAC conformity TR CU 012/2011
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Type of protection intrinsic safety
Tightening torque, cable gland M20 x 1.5 ; max. 7 Nm
M12 x 1.5 ; max. 1.5 Nm
Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Switching function 2 x normally closed (NC)
Reduction factor rSt37 1.3
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Degree of protection IP67
Effective internal inductance max. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Connection (system side) Cage tension spring terminals
Storage temperature -40 … 100 °C (-40 … 212 °F)
Housing material PBT
MTTFd 1470 a
Reverse polarity protection reverse polarity protected
Type of protection intrinsic safety
Switching frequency 0 … 3 kHz
Reduction factor rBrass 0.6
Type of protection intrinsic safety
Equipment protection level Ga , Gb , Gc (ic) , Mb
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Ambient temperature -25 … 100 °C (-13 … 212 °F)
Current max. 240 mA
Reduction factor r304 1
Maximum permissible ambient temperature Also observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
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 Ui = 15 V , Ii = 25 mA , Pi = 64 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 Ui = 15 V , Ii = 52 mA , Pi = 169 mW ,
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)
Assured operating distance 0 … 2.4 mm
Time delay before availability ≤ 1.1 ms
Voltage max. 32 V DC
Core cross-section (system side) 1.5/2.5 mm2 flexible/rigid
Actual operating distance 2.7 … 3.3 mm typ.
Use in the hazardous area see instruction manuals
CE marking [*PD-Z02585A*]
UL approval cULus Listed, General Purpose
Effective internal inductance max. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Mission Time (TM) 20 a
Valve status indicator LED, yellow
Installation flush mountable
Effective internal inductance max. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
CSA approval cCSAus Listed, General Purpose
Switching state indicator LED, yellow
Type of protection intrinsic safety
Note LED switch-off
Sensing face PBT
Maximum permissible ambient temperature Also observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 20 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 Ui = 20 V , Ii = 25 mA , Pi = 64 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 Ui = 20 V , Ii = 52 mA , Pi = 169 mW ,
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)
Actuating element Stainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Connection (valve side) Cage tension spring terminals
Output type NAMUR
Scope of delivery Cable gland , Polyamide (PA)
clamping range: 6 … 7,5 mm/ 7,5 … 12 mm
M20 x 1.5 thread
thread length 10 mm
seal: Chloropren
Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
CE marking [*PD-Z02585A*]
Hysteresis typ. 5 %
CCC approval CCC approval / marking not required for products rated ≤36 V
Effective internal inductance max. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Maximum permissible ambient temperature Also observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 15 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
at Ui = 15 V , Ii = 52 mA , Pi = 169 mW : 90 °C (194 °F)
Diagnostic Coverage (DC) 0 %
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