Pepperl+Fuchs NBN3-F31K-E8

Inductive sensor
SKU: NBN3-F31K-E8
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The inductive sensor is designed for non-contact detection of metallic objects, leveraging electromagnetic fields for reliable performance. With a rated operating distance of 3 mm, this sensor can effectively detect targets within its specified range.

All description
Manufacturer: Pepperl+Fuchs
Description:

Pepperl+Fuchs inductive proximity sensors are essential components in various automation applications, providing high reliability and durability in detecting metallic objects without direct contact. These sensors utilize an oscillating electromagnetic field to sense the presence of metallic targets, making them ideal for use in environments where physical contact is not feasible or desired.

Common applications of inductive sensors include automation in manufacturing processes, material handling systems, and safety equipment. Their robust design allows for flush mounting, and they are constructed from durable PBT housing material, ensuring longevity even in harsh conditions. With a 4-wire output configuration and cage tension spring terminals for connection, these sensors facilitate easy integration into existing systems, making them a versatile solution for detecting moving parts or ensuring safety in industrial environments.

General specifications
Switching element function PNP Dual NO
Rated operating distance 3 mm
Installation flush mountable
Output polarity DC
Assured operating distance 0 … 2.43 mm
Reduction factor rAl 0.5
Reduction factor rCu 0.4
Reduction factor r304 1
Reduction factor rSt37 1.2
Reduction factor rBrass
Nominal ratings
Operating voltage 10 … 30 V
Switching frequency 0 … 500 Hz
Hysteresis typ. 5 %
Reverse polarity protection all connections
Short-circuit protection pulsing
Voltage drop less than or equal to 3 V
Operating current 0 … 100 mA
Off-state current 0 … 0.5 mA typ. 0.1 mA
No-load supply current less than or equal to 25 mA
Operating voltage indicator LED, green
Switching state indicator LED, yellow
Approvals and certificates
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature -25 … 70 �C (-13 … 158 �F)
Mechanical specifications
Connection (system side) Cage tension spring terminals
Core cross-section (system side) 1.5/2.5 mm2 flexible/rigid
Housing material PBT
Sensing face PBT
Degree of protection IP67
Tightening torque, housing screws 1 Nm
Tightening torque, cable gland M20 x 1.5 – max. 7 Nm
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