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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NJ4-12GM40-E2 |
| Alternative Part Number | NJ412GM40E2 |
| Manufacturer | Pepperl + Fuchs |
| Series | NJ4 |
| Sensor Type | Inductive |
| Housing Shape | Barrel |
| Thread Size | M12 x 1 |
| Sensing Range | 4 mm non-flush |
| Output Type | 1NO/PNP |
| Operating Voltage | 10 to 60 V |
| Operating Current | 0 to 200 mA |
| Switching Frequency | 0 to 2000 Hz |
| Housing Material | Stainless Steel |
| Sensing Face Material | PBT |
| Degree of Protection | IP67 |
| Operating Temperature Range | -25 to 70 °C |
| Storage Temperature Range | -40 to 85 °C |
| Connection Type | Cable PUR, 10 m |
| Core Cross-Section | 0.34 mm² |
| Accessories | BF 12 Mounting flange, 12 mm |
| Compliance | EN 60947-5-2:2007, IEC 60947-5-2:2007 |
| Approvals | UL Listed, General Purpose, cCSAus Listed, General Purpose, Certified by China Compulsory Certification (CCC) |
| Features | Reverse polarity protected, Short-circuit protection pulsing, LED switching state indicator |
The Pepperl + Fuchs NJ4 Series inductive sensor is a high-precision proximity device designed to deliver reliable and accurate object detection in a variety of industrial applications. This robust sensor, with a part number NJ4-12GM40-E2, features a stainless steel barrel construction and a non-flush design, allowing for a 4 mm sensing range that ensures consistent performance in demanding environments.
Engineered for versatility, the sensor operates within a 10 to 60 V range and can handle operating currents from 0 to 200 mA, making it suitable for integration into a wide array of control systems. The sensor's PNP normally open (NO) output configuration allows for straightforward connectivity and compatibility with various types of electronic equipment.
With a switching frequency of up to 2000 Hz, this sensor is capable of high-speed operation, which is essential for applications where rapid response times are critical. The unit is also equipped with LED indicators for easy monitoring of its switching state, enhancing usability and maintenance procedures.
The NJ4-12GM40-E2 is designed to withstand harsh industrial conditions, offering an IP67 protection rating, which means it is dust-tight and can resist water ingress, ensuring long-term reliability and durability. The operating temperature range of -25 to 70°C further attests to its resilience in extreme environments.
This inductive sensor is compliant with international standards, including EN 60947-5-2:2007 and IEC 60947-5-2:2007, ensuring it meets global requirements for industrial automation components. Additionally, it has been approved by relevant certification bodies, confirming its quality and safety for industrial use.
Overall, the Pepperl + Fuchs NJ4-12GM40-E2 inductive sensor is an essential component for industrial automation, offering precision, durability, and reliability for a wide range of detection tasks.
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Frequently Asked Questions
What is the sensing range of this inductive sensor?
The rated operating distance for the NJ4-12GM40-E2 inductive sensor is 4 mm, with an assured operating distance of 0 to 3.24 mm.
Can this sensor be installed flush with metal?
No, the NJ4-12GM40-E2 is designed for non-flush mounting, meaning there should be a spacing around the sensor when installed.
What type of output does this sensor provide?
This inductive sensor provides a PNP normally open (NO) output.
What is the voltage range for this sensor?
The operating voltage range for this sensor is 10 to 60 V.
Is the NJ4-12GM40-E2 protected against short circuits and reverse polarity?
Yes, the sensor comes with reverse polarity protection and pulsing short-circuit protection.
What is the maximum switching frequency of this sensor?
The maximum switching frequency of the NJ4-12GM40-E2 is 2000 Hz.
What materials are used in the construction of this sensor?
The housing material is stainless steel 1.4305 / AISI 303, and the sensing face is made of PBT.
What is the degree of protection for this inductive sensor?
The NJ4-12GM40-E2 is rated with a protection degree of IP67, making it dust tight and protected against the effects of immersion.
What are the ambient operating temperature limits for this sensor?
The ambient operating temperature range for this sensor is -25 to 70 °C (-13 to 158 °F).
How is the sensor's switching state indicated?
The switching state of the sensor is indicated by a yellow LED.
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