Pepperl+Fuchs NRB4-12GM40-E2-C-V1

Inductive sensor
SKU: NRB4-12GM40-E2-C-V1
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The inductive sensor is designed for non-contact object detection, particularly suitable for metallic targets. With a cylindrical design and a compact housing diameter of 12 mm, it offers a rated operating distance of 4 mm.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in automation and control systems, primarily used for detecting the presence of metallic objects without physical contact. These sensors operate on the principle of electromagnetic induction, generating an alternating electromagnetic field that interacts with conductive materials. When a metallic object enters this field, it alters the electromagnetic properties, triggering the sensor’s output signal.

The cylindrical design of these sensors, coupled with a robust brass housing coated in PTFE, enhances durability and resistance to environmental factors. With a rated operating distance of 4 mm and a 3-wire output configuration, these sensors are suitable for a wide range of applications, including industrial automation, assembly lines, and material handling systems. Their flush installation feature allows for seamless integration into machinery and equipment, maintaining space efficiency while ensuring reliable performance.

  • Common applications include position detection, object counting, and safety systems.
  • Compatible with various control systems, making them versatile in different industrial settings.
General specifications
Switching element function PNP NO
Rated operating distance 4 mm
Installation flush
Output polarity switched high
Assured operating distance 0 … 3.24 mm
Reduction factor rAl 1
Reduction factor rCu 1
Reduction factor r304 1
Reduction factor rSt37 1
Nominal ratings
Operating voltage 10 … 30 V DC
Switching frequency 0 … 2000 Hz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Voltage drop less than or equal to 3 V
Rated insulation voltage 60 V
Operating current 0 … 200 mA
Off-state current 0 … 0.5 mA typ. 0.1 mA at 25 °C
No-load supply current less than or equal to 12 mA
Switching state indicator Multihole-LED, yellow
Mag. Field strength, AC fields 200 mT
Mag. Field strength, DC fields 200 mT
Functional safety related parameters
MTTFd 1477 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Approvals and certificates
Protection class II
Rated insulation voltage 60 V
Design-impulse-voltage withstand 800 V
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)
Storage temperature -40 … 85 °C (-40 … 185 °F)
Mechanical specifications
Connection type Connector M12 x 1 , 4-pin
Housing material Brass, PTFE coated
Sensing face Ryton R4
Housing diameter 12 mm
Degree of protection IP67
Mass 23 g
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