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Pepperl+Fuchs NJ4-12GK-N
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs NJ4-12GK-N is a high-performance cylindrical inductive proximity sensor crafted for the rigorous demands of industrial automation. This dependable sensor excels at non-contact sensing of metallic objects, delivering exceptional reliability and precision within a 4mm detection range. Engineered with a NAMUR normally closed (NC) output, the NJ4-12GK-N integrates effortlessly into critical systems where precise metal identification is essential for operational effectiveness and safety. Its meticulous design ensures steady performance across diverse settings, making it an invaluable component for modern industrial infrastructure.Key Features Sensing Distance: 4mm for adaptable detection capabilities in non-flush mounting. Output Configuration: NAMUR normally closed (NC) provides dependable signal transmission for safety-critical tasks. Operating Voltage: Optimized for 8.2 V DC, guaranteeing compatibility with standard industrial control apparatus. Switching Speed: Rapid operation up to 1,500 Hz, perfect for dynamic, high-speed processes. Housing Material: Crafted from robust Polybutylene Terephthalate (PBT) for outstanding mechanical strength and chemical resilience. Connection Method: Features a sturdy 2-meter PVC cable for flexible installation and secure connectivity. Protection Rating: IP66/IP68 classification, offering superior safeguarding against dust and water ingress, even during submersion. Temperature Range: Broad operational span from -25°C to +100°C, ensuring consistent function in challenging industrial climates. Certifications: Adheres to international standards including CE, UL, ATEX, and IECEx, affirming safety and quality. Technical Specifications Model Identifier: NJ4-12GK-N Series Designation: NJ Mounting Type: Non-flush for optimal sensing performance in various configurations. Guaranteed Operating Distance: Precisely calibrated from 0 to 3.24mm for consistent and accurate detection. Reduction Factors: Aluminum (rAl): 0.4 Copper (rCu): 0.3 Stainless Steel (r304): 0.85 These values offer vital data for distinguishing different metallic materials. Current Consumption: Sensing Surface Not Engaged: ≥3 mA Sensing Surface Engaged: ≤1 mA Ensures energy efficiency and clear signal differentiation. Ingress Protection: IP66/IP68, signifying complete defense against dust, powerful water jets, and extended immersion. Cable Details: Diameter: 4.8mm ± 0.2mm Composition: PVC Length: 2 meters Engineered for durability and straightforward integration. Dimensions: Length: 35mm Diameter: 12mm Compact design facilitates flexible mounting in confined areas. ApplicationsThe Pepperl+Fuchs NJ4-12GK-N inductive sensor is a versatile solution for numerous industrial challenges: Industrial Automation: Enables precise detection of metal parts within production lines, ensuring exact positioning and workflow management. Conveyor Systems: Crucial for observing the location and presence of items on conveyors, preventing blockages and optimizing flow. Packaging Equipment: Essential for guaranteeing accurate placement and orientation of metallic components during packaging, enhancing product excellence. Robotics: Provides critical feedback for robotic arm positioning and movement, boosting precision and safety in automated tasks. Material Handling: Perfect for sensing metallic items in diverse material handling scenarios, from logistics to inventory oversight. Machine Tool Sector: Ensures precise tool placement and workpiece sensing, contributing to improved machining accuracy. Why ChooseThe Pepperl+Fuchs NJ4-12GK-N stands out as an exceptional selection for industrial sensing tasks due to its superior design and performance attributes: High Accuracy: Delivers extremely dependable detection with its optimized 4mm sensing range, minimizing errors and maximizing operational precision. Robust Construction: The durable PBT housing guarantees outstanding longevity and resilience to harsh industrial environments, reducing maintenance needs. Order NowEnhance your industrial processes with the precision and reliability of the Pepperl+Fuchs NJ4-12GK-N inductive sensor. Contact us today to acquire this essential component for your automation requirements.FAQWhat is the primary function of the Pepperl+Fuchs NJ4-12GK-N sensor?Its primary function is to detect metallic objects without physical contact in industrial automation settings, ensuring precision and reliability.What type of output does this sensor provide?It provides a NAMUR normally closed (NC) output, ideal for safety-critical applications requiring clear signal transmission.Can this sensor operate in extreme temperatures?Yes, it has a wide operating temperature range from -25°C to +100°C, making it suitable for demanding industrial environments.
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Pepperl+Fuchs NJ4-12GK-N
Overview
This is a genuine Pepperl+Fuchs component from the Inductive & Capacitive Sensors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Pepperl+Fuchs catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Pepperl+Fuchs automation ecosystem
- Engineered to integrate inside Inductive & Capacitive Sensors installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pepperl+Fuchs equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes for the Inductive & Capacitive Sensors family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Identifier: NJ4-12GK-N
- Series Designation: NJ
- Mounting Type: Non-flush for optimal sensing performance in various configurations.
- Guaranteed Operating Distance: Precisely calibrated from 0 to 3.24mm for consistent and accurate detection.
-
Reduction Factors:
- Aluminum (rAl): 0.4
- Copper (rCu): 0.3
- Stainless Steel (r304): 0.85
These values offer vital data for distinguishing different metallic materials.
-
Current Consumption:
- Sensing Surface Not Engaged: ≥3 mA
- Sensing Surface Engaged: ≤1 mA
Ensures energy efficiency and clear signal differentiation.
- Ingress Protection: IP66/IP68, signifying complete defense against dust, powerful water jets, and extended immersion.
-
Cable Details:
- Diameter: 4.8mm ± 0.2mm
- Composition: PVC
- Length: 2 meters
Engineered for durability and straightforward integration.
-
Dimensions:
- Length: 35mm
- Diameter: 12mm
Compact design facilitates flexible mounting in confined areas.
Applications
The Pepperl+Fuchs NJ4-12GK-N inductive sensor is a versatile solution for numerous industrial challenges:
- Industrial Automation: Enables precise detection of metal parts within production lines, ensuring exact positioning and workflow management.
- Conveyor Systems: Crucial for observing the location and presence of items on conveyors, preventing blockages and optimizing flow.
- Packaging Equipment: Essential for guaranteeing accurate placement and orientation of metallic components during packaging, enhancing product excellence.
- Robotics: Provides critical feedback for robotic arm positioning and movement, boosting precision and safety in automated tasks.
- Material Handling: Perfect for sensing metallic items in diverse material handling scenarios, from logistics to inventory oversight.
- Machine Tool Sector: Ensures precise tool placement and workpiece sensing, contributing to improved machining accuracy.
Why Choose the NJ4-12GK-N?
The Pepperl+Fuchs NJ4-12GK-N stands out as an exceptional selection for industrial sensing tasks due to its superior design and performance attributes:
- High Accuracy: Delivers extremely dependable detection with its optimized 4mm sensing range, minimizing errors and maximizing operational precision.
- Robust Construction: The durable PBT housing guarantees outstanding longevity and resilience to harsh industrial environments, reducing maintenance needs.
Availability & Shipping
- ▸In stock: NJ4-12GK-N ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every NJ4-12GK-N ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
Machine down? We ship parts the same day.
New, surplus, and refurbished Pepperl+Fuchs inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.