The NJ0,8-4,5-N is an ultra-compact inductive proximity sensor manufactured by Pepperl+Fuchs.
It adopts the NAMUR output standard and is primarily used for detecting metallic objects, particularly suitable for industrial environments with space constraints or explosion-proof requirements.
This model is a NAMUR standard sensor, typically used in safety-related applications or situations requiring specific signal processing (it needs to be used with a safety barrier or amplifier).
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Frequently Asked Questions
Q: Can this product be used independently?
A: No, this product must be used with an amplifier/safety barrier: NJ0,8-4,5-N itself does not have relay or transistor outputs and cannot directly drive PLC input modules (unless the PLC supports NAMUR input). It must be connected to a NAMUR amplifier or an isolated safety barrier (such as P+F's KFD2-STC4-EX1 or similar models) to be converted into a standard switching signal.
Q: What precautions should be taken when installing this product?
A: Pay attention to the installation torque. Since it is an M4 thread, be careful with the torque during installation to avoid damaging the casing.
Q: In which fields is this product mainly used?
A: High-speed counting: Due to its small size, it can be used to detect tiny parts; Safety-critical applications: When used with safety barriers in flammable and explosive environments (such as chemical, petroleum, and pharmaceutical industries); Space-constrained applications: The ultra-small diameter of M4 allows it to be installed in extremely narrow spaces.
