Pepperl+Fuchs NCN3-F31K-N4-B13-S

Inductive sensor
SKU: NCN3-F31K-N4-B13-S
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The inductive sensor is designed for direct mounting on standard actuators, featuring a fixed setting for reliable operation. With screw terminals and LED indicators for both sensor and solenoid valve status, this sensor offers enhanced usability in industrial applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Pepperl+Fuchs inductive proximity sensors are robust devices utilized for non-contact detection of metallic objects. These sensors are particularly effective in automated processes where precision and reliability are paramount. Common applications include position sensing in machinery, object detection on conveyor systems, and safety interlocks in industrial environments.

This product family is characterized by its durability, compliance with international safety standards, and ability to function in potentially hazardous environments, as evidenced by its EC-Type Examination Certificate. The sensors are designed for ease of installation with direct mounting options and offer features such as fixed settings and disconnectable valve LEDs to facilitate system integration and maintenance.

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)
Nominal voltage 8 V
Switching frequency 0 … 3 kHz
Type of protection intrinsic safety
Current max. 240 mA
Equipment protection level Ga , Gb , Gc (ic) , Mb
Reduction factor rBrass 0.6
Note LED switch-off
Degree of protection IP67
Core cross-section (valve side) like core cross section (system side)
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Short-circuit protection no
Time delay before availability 1.1 ms
Type of protection intrinsic safety
Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Voltage max. 32 V DC
Sensing face PBT
Rated operating distance 3 mm
Reverse polarity protection reverse polarity protected
Tightening torque, housing screws 1 Nm
Tightening torque, cable gland M20 x 1.5 ; max. 7 Nm
Reduction factor rAl 0.5
Reverse polarity protection yes, with reversed output LED is out of function, therfore more power for solenoid valve
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)
CE marking [*PD-Z02585A*]
CE marking [*PD-Z02585A*]
Switching state indicator LED, yellow
CE marking [*PD-Z02585A*]
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
Safety Integrity Level (SIL) SIL 2
Effective internal inductance max. 100 andmicro;H
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Hysteresis typ. 5 %
MTTFd 1470 a
Reduction factor r304 1
Effective internal inductance max. 100 andmicro;H
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Reduction factor rCu 0.4
Short-circuit protection yes
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.
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Output type NAMUR
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.
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Installation flush mountable
Actuating element Stainless steel 1.4305 / AISI 303
8.5 mm x 8.5 mm x 0.5 mm
Effective internal inductance max. 100 andmicro;H
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
CCC approval CCC approval / marking not required for products rated 36 V
EAC conformity TR CU 012/2011
Connection (valve side) like connection (system side)
Type of protection intrinsic safety
Connection (system side) Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm
Type of protection intrinsic safety
Ambient temperature -25 … 100 °C (-13 … 212 °F)
Output type 2-wire
Reduction factor rSt37 1.3
Effective internal capacitance max. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Assured operating distance 0 … 2.4 mm
Effective internal capacitance max. 100 nF
The value is applicable for one sensor 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.
Storage temperature -40 … 100 °C (-40 … 212 °F)
Maximum values of the valve circuit The value applies to each valve circuit.
A cable length of 10 m is considered.
Diagnostic Coverage (DC) 0 %
Mission Time (TM) 20 a
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)
Valve status indicator LED, yellow
Housing material PBT
Actual operating distance 2.7 … 3.3 mm typ.
Switching function 2 x normally closed (NC)
Effective internal inductance max. 100 andmicro;H
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Use in the hazardous area see instruction manuals
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