Pepperl+Fuchs NBB20-U4-UU

Inductive sensor
SKU: NBB20-U4-UU
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The inductive sensor from Pepperl+Fuchs is designed for non-contact detection of metallic objects. It operates efficiently in various environments, ensuring reliable performance in automation applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in industrial automation, providing reliable non-contact detection of metallic objects. These sensors utilize electromagnetic fields to sense the presence of metal, making them ideal for applications where contact-based sensing could lead to wear or damage. The inductive sensor technology is widely appreciated for its durability and ability to function in harsh environments, including high humidity, dust, and temperature variations.

Common applications for inductive sensors include position detection, object counting, and speed monitoring in conveyor systems, assembly lines, and robotic automation. Their robust design allows them to be integrated into various machinery and equipment, facilitating seamless operation without mechanical wear. Additionally, these sensors are often used in safety applications, ensuring that machinery can safely detect the presence of operators or other personnel.

Momentary current

(20 ms, 0.1 Hz)

0 … 3000 mA

Reduction factor rAl

0.4

Off-state current

1.5 mA

Voltage drop

5 V (typ. 2V) DC operation

8 V (typ. 2V) AC operation

Switching state indicator

LED, yellow

Switching frequency

AC, 0 … 30 Hz

DC, 0 … 100 Hz

Reverse polarity protection

reverse polarity tolerant

Switching function

Normally open/closed (NO/NC)

UL approval

cULus Listed, General Purpose

Reduction factor r304

0.77

Ambient temperature

-25 … 85 °C (-13 … 185 °F)

Sensing face

PA 6.6

Reduction factor rFe

1

Housing material

PA 6.6 / metal

Actual operating distance

18 … 22 mm

Core cross-section

up to 2.5 mm2

Mission Time (TM)

20 a

Reduction factor rCu

0.3

Connection type

terminal compartment

Storage temperature

-25 … 85 °C (-13 … 185 °F)

Information for connection

A maximum of two conductors with the same core cross section may be mounted on one terminal connection!

tightening torque 1.2 Nm + 10 %

Operating voltage indicator

LED, green

CCC approval

Ue 75VDC – 250VDC Ue 75VAC – 230VAC

Reduction factor rBrass

0.43

Rated operating distance

20 mm

Operating current

5 … 500 mA

Error indicator

flashes when overcurrent

Output polarity

AC/DC

Hysteresis

1 … 10 typ. 5 %

Output type

2-wire

Short-circuit protection

pulsing

Degree of protection

IP67

Diagnostic Coverage (DC)

0 %

MTTFd

540 a

Operating voltage

20 … 300 V DC / 20 … 253 V AC

Assured operating distance

0 … 16.2 mm

Output type

Two-wire

Installation

flush

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