Pepperl+Fuchs SJ3,5-N

Overview

The Pepperl+Fuchs SJ3,5-N is a state-of-the-art, compact inductive slot sensor meticulously engineered for precise and reliable position detection of metallic objects within industrial environments. Its defining feature is a finely tuned 3.5 mm slot width, purpose-built for the accurate sensing of even the smallest metallic targets as they pass through. Equipped with a NAMUR normally closed (NC) output, this sensor guarantees dependable performance and seamless integration into intrinsically safe circuits, making it an indispensable component in critical applications. Constructed with a robust PBT housing and boasting an IP67 protection rating, the SJ3,5-N is built to withstand challenging conditions, including exposure to dust and water. Furthermore, its compliance with SIL 2 standards underscores its suitability for safety-related systems, offering enhanced reliability and peace of mind in high-stakes operations. This sensor is the ideal solution for modern industrial automation, where precision, durability, and safety are paramount.

Key Features

• Precision 3.5 mm Slot Width: Optimized for unparalleled accuracy in detecting small metallic targets, ensuring meticulous control and positioning in diverse applications.
• NAMUR Normally Closed (NC) Output: Provides a highly reliable output signal that is fully compatible with intrinsically safe circuits, crucial for safety-critical industrial settings.
• High Switching Frequency (Up to 3000 Hz): Capable of accommodating rapid operational speeds, making it perfectly suited for high-throughput and fast-moving applications where quick detection is essential.
• Robust IP67-Rated PBT Housing: Engineered for exceptional durability, its PBT housing offers superior resistance to environmental factors, including dust, moisture, and common industrial contaminants, ensuring long-term operational integrity.
• Wide Operating Voltage Range: Functioning efficiently across a voltage spectrum of 5 V to 25 V DC, this sensor offers versatile power supply compatibility and stable performance.
• Compact and Space-Saving Design: With dimensions of 19.5 mm (length) x 10 mm (width) x 15 mm (height), the SJ3,5-N is designed for effortless integration into tight or confined installation spaces without compromising performance.
• SIL 2 Safety Compliance: Adheres to IEC 61508 standards for applications requiring up to Safety Integrity Level 2, affirming its reliability in safety-oriented control systems.

Technical Specifications

• Model Number: SJ3,5-N
• Switching Function: Normally closed (NC)
• Output Type: NAMUR (2-wire)
• Slot Width: 3.5 mm
• Depth of Immersion (Lateral): 5 to 7 mm, typically 6 mm
• Nominal Voltage (Uo): 8.2 V (Ri approximately 1 kΩ)
• Operating Voltage (UB): 5 to 25 V
• Switching Frequency (f): 0 to 3000 Hz
• Hysteresis (H): 0.41 to 0.6 mm
• Current Consumption:
  • Target Not Detected: ≥ 3 mA at nominal voltage
  • Target Detected: ≤ 1 mA at nominal voltage
• Ambient Temperature Range: -25°C to +100°C (-13°F to +212°F)
• Housing Material: PBT
• Degree of Protection: IP67
• Connection Type: Flexible leads LiY, 500 mm length, 0.14 mm² cross-section
• Dimensions: Length 19.5 mm, Width 10 mm, Height 15 mm
• Compliance:
  • Standards: EN IEC 60947-5-2, EN 60947-5-6:2000
  • Approvals: CE, UKCA, cULus Listed for General Purpose

Applications

The versatility and precision of the Pepperl+Fuchs SJ3,5-N make it an indispensable sensor across a wide array of industrial applications:

• Material Handling Systems: Essential for the accurate detection, sorting, and precise positioning of small metallic components on conveyor belts, improving efficiency and reducing errors in logistics and manufacturing.
• Packaging Industry: Ensures the correct placement and reliable presence detection of metallic elements within packaging processes, critical for maintaining product quality and operational flow.
• Automotive Manufacturing: Plays a vital role in assembly line automation by meticulously detecting small metallic parts and verifying proper alignment, contributing to superior product quality and streamlined production.
• Electronics Production: Perfectly suited for intricate tasks such as detecting metallic components during Printed Circuit Board (PCB) assembly and other precise processes in electronic manufacturing, where tolerances are minimal.
• General Industrial Automation: An ideal solution for any application demanding highly accurate and dependable position detection of diverse small metallic targets, enhancing automation in various sectors.

Why Choose This Model?

Opting for the Pepperl+Fuchs SJ3,5-N means investing in a sensor that delivers exceptional performance, reliability, and precision:

• Unrivaled Detection Accuracy: The meticulously designed 3.5 mm slot width, combined with an impressive switching frequency of up to 3000 Hz, ensures the SJ3,5-N can precisely detect even the smallest and fastest-moving metallic targets. This level of accuracy is critical for applications where even minor deviations can lead to significant issues.
• Built for Durability: With its robust PBT housing and certified IP67 protection rating, this sensor is engineered to thrive in the harshest industrial environments. It provides unwavering resistance against dust, water ingress, and mechanical stresses, guaranteeing an extended operational lifespan and minimizing maintenance needs.
• Enhanced Safety Compliance: Meeting the stringent Safety Integrity Level (SIL 2) as per IEC 61508 standards, the SJ3,5-N is a trusted component in safety-related control systems. This compliance ensures high levels of operational safety and reduces risk in critical industrial processes.
• Seamless Integration: Its compact dimensions and standard connection options facilitate straightforward integration into existing or new automation setups, reducing installation time and complexity. The NAMUR output further simplifies integration into intrinsically safe circuits.
• Global Reliability: As a product from Pepperl+Fuchs, a globally recognized leader in industrial sensor technology, the SJ3,5-N comes with the assurance of world-class quality, consistent performance, and excellent technical support.

Order Now

Elevate the precision and reliability of your industrial automation systems with the Pepperl+Fuchs SJ3,5-N Inductive Slot Sensor. Designed for excellence, this sensor is ready to meet the most demanding challenges of modern manufacturing and processing. For detailed pricing, availability, or to place your order, please contact our sales team or visit our official product page. Our experts are available to assist you in selecting the ideal sensing solution for your specific application requirements and to ensure a smooth procurement process. Invest in Pepperl+Fuchs quality today and experience the difference in performance and peace of mind.