Pepperl+Fuchs NBN3-F31K-Z8

Inductive sensor
SKU: NBN3-F31K-Z8
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The inductive sensor series offers reliable detection of metallic objects at a rated operating distance of 3 mm. With a robust PBT housing, these sensors are suitable for various industrial applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in modern automation and control systems, designed to detect the presence of metallic objects without direct contact. Their flush mountable design allows for seamless integration into machinery and equipment, making them ideal for space-constrained environments. These sensors operate on the principle of electromagnetic induction, generating a high-frequency oscillating field that detects changes caused by metallic objects entering its sensing range.

Common applications of inductive sensors include position sensing, object counting, and end-of-arm tooling in robotic applications. They are widely used in industries such as manufacturing, packaging, and material handling, where precise and reliable detection is crucial. The 2-wire output configuration simplifies installation and connection within a system, thereby enhancing the overall efficiency and performance of automated processes.

General specifications
Switching element function DC binary 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 1.1
Nominal ratings
Operating voltage 6 … 60 V DC
Switching frequency 0 … 500 Hz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity tolerant
Short-circuit protection no
Voltage drop less than or equal to 6 V
Operating current 4 … 100 mA
Lowest operating current 4 mA
Off-state current 0 … 1 mA typ. 0.7 mA
Switching state indicator LED, yellow
Limit data
Tightening torque, fastening screws 0.4 Nm
Functional safety related parameters
MTTFd 590 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Approvals and certificates
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
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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