Pepperl+Fuchs NBB20-L3M-A2-C3-V1

Inductive sensor
SKU: NBB20-L3M-A2-C3-V1
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  • 20 mm flush
  • 4-wire DC
  • Weld Immune
  • Active surface thermoset
  • 2-way LED indicator
All description
Manufacturer: Pepperl+Fuchs
Description:

The inductive proximity sensors from Pepperl+Fuchs are designed for reliable detection of metallic objects without direct contact. These sensors operate on the principle of electromagnetic induction, making them ideal for applications in harsh environments where traditional mechanical switches may fail. They are especially well-suited for automation and control systems in industrial settings, offering a robust solution for object detection in machinery, conveyor systems, and automated assembly lines.

One of the key features of this product family is its flush mounting capability, allowing for seamless integration into various equipment designs. The sensors are equipped with a 4-wire DC configuration, which enhances their versatility in different electrical setups. With a weld immune design, these inductive sensors can withstand high temperatures and electromagnetic interference commonly found in welding applications, ensuring reliable performance even under challenging conditions.

UL approval cULus Listed, General Purpose
Switching function complementary
Mission Time (TM) 20 a
Reduction factor rAl 0.42
Switching state indicator LED, yellow
Alternating magnetic field 200 mT
Output type PNP
Ambient temperature -25 … 85 °C (-13 … 185 °F)
Operating voltage 10 … 30 V DC
CCC approval CCC approval / marking not required for products rated ≤36 V
Diagnostic Coverage (DC) 0 %
Reduction factor rBrass 0.49
Short-circuit protection pulsing
Output polarity DC
Voltage drop ≤ 3 V
Time delay before availability 80 ms
Switching frequency 0 … 5 Hz
Storage temperature -40 … 85 °C (-40 … 185 °F)
No-load supply current ≤ 20 mA
Sensing face Duroplast
Output type 4-wire
Reduction factor r304 0.75
Housing material GD-ZnAl4Cu1, Coated
metal fixing flange, coated.
Hysteresis typ. 5 %
Connection type Connector plug M12 x 1 , 4-pin
Assured operating distance 0 … 16.2 mm
Actual operating distance 18 … 22 mm
Operating voltage indicator LED, green
Off-state current 0 … 0.5 mA
MTTFd 1420 a
Reverse polarity protection reverse polarity protected
Operating current 0 … 200 mA
Installation flush
Degree of protection IP67
Rated operating distance 20 mm
Reduction factor rCu 0.38
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