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Pepperl+Fuchs SU18/16/40a infrared slot sensor with 16mm slot width and integrated cable.

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Pepperl+Fuchs SU18/16/40a/110/115/126a

by Pepperl+Fuchs

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OverviewThe Pepperl+Fuchs SU18/16/40a/110/115/126a infrared slot sensor sets the benchmark for accurate, high-speed object recognition. Featuring a 16 mm slot width, this sensor is expertly crafted for detailed tasks, such as precisely identifying small components or discerning edges within complex automation settings. Its robust design incorporates a durable plastic enclosure coupled with an IP67 protection rating, guaranteeing dependable performance even in harsh industrial environments prone to dust and moisture. Equipped with a responsive PNP output and a pre-attached 2-meter cable for simple installation, this sensor delivers consistent, accurate, and rapid switching, making it an essential element for boosting efficiency and accuracy across diverse industrial applications. From packaging lines to assembly systems, the SU18/16/40a/110/115/126a exemplifies advanced sensing technology, ready to meet the rigorous demands of contemporary automation.Key Features 16 mm Slot Width: Engineered for exceptional accuracy, this slot dimension is perfect for detecting small objects and precise edge identification, minimizing errors in critical processes. Infrared Light Source: Utilizes cutting-edge infrared LED technology, providing highly dependable sensing capabilities that remain unaffected by variations in ambient lighting conditions, ensuring consistent operation. PNP Output (Normally Open): Offers effortless compatibility with standard Programmable Logic Controllers (PLCs), simplifying integration into existing control systems and streamlining automation workflows. Rapid Switching Speed: Optimized for dynamic environments, this sensor boasts an exceptionally fast switching frequency exceeding 5 kHz, making it perfectly suited for high-speed production lines and quick detection tasks. Pre-Wired with 2 m Cable: Designed for ease of use and immediate deployment, the sensor comes pre-equipped with a robust 2-meter cable, enabling quick and straightforward plug-and-play installation without additional wiring. IP67 Protection Rating: Ensures superior defense against dust, dirt, and water immersion, extending the sensor's operational lifespan and reliability in challenging industrial settings. Compact Plastic Enclosure: Manufactured with a high-grade, resilient plastic housing, this sensor is not only robust but also compact, allowing for easy installation in confined spaces where larger sensors might not fit. Technical SpecificationsModel: SU18/16/40a/110/115/126aPart Number: 803584Sensor Type: Slot sensor (fork sensor)Slot Width: 16 mmOutput Type: PNP, Normally Open (NO)Light Source: Infrared LEDConnection: 2 m fixed cableSwitching Frequency: ≥ 5 kHzVoltage Supply: 10–30 V DCHousing Material: PlasticProtection Rating: IP67Operating Temperature: -25°C to +60°CApplications Edge Detection in Labeling Machines: Guarantees precise label application by accurately identifying material edges, crucial for quality control in packaging. Small Part Detection on Assembly Lines: Reliably detects tiny components, enhancing accuracy and preventing assembly errors in automated manufacturing processes. Counting Objects on Conveyors: Provides efficient and accurate counting of items moving on conveyor belts, vital for inventory management and production monitoring. Position Verification in Packaging: Confirms the correct placement and orientation of products within packaging machinery, reducing waste and improving throughput. High-Speed Sorting Systems: Facilitates rapid and precise sorting of various items, optimizing logistics and increasing operational efficiency in distribution centers. Why ChooseThe Pepperl+Fuchs SU18/16/40a/110/115/126a stands out as a premier choice for a wide range of industrial sensing requirements due to its unmatched combination of speed, precision, and endurance. Its exceptional response time, with a switching frequency exceeding 5 kHz, ensures that even the fastest-moving objects are detected reliably.Order NowEnhance your automation systems today with the Pepperl+Fuchs SU18/16/40a/110/115/126a. Contact us to learn more or to place your order.FAQWhat is the primary function of the Pepperl+Fuchs SU18/16/40a?This sensor is designed for high-speed, precise detection of objects and accurate identification of edges, particularly useful for small components in automated environments.What kind of environments is this slot sensor suitable for?With its robust plastic housing and IP67 protection rating, it is ideal for harsh industrial settings where dust and water ingress are concerns.How does the 16 mm slot width benefit applications?The 16 mm slot width allows for exceptional precision in detecting minute objects and fine edge identification, which helps in minimizing errors in critical industrial processes.What type of output does the SU18/16/40a have?It features a PNP (Normally Open) output, ensuring seamless compatibility with standard Programmable Logic Controllers (PLCs).Is the installation of this sensor complicated?No, the sensor comes pre-wired with a 2-meter cable, allowing for quick and straightforward plug-and-play installation.

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PRODUCT DETAILS

Pepperl+Fuchs SU18/16/40a/110/115/126a

Overview

This is a genuine Pepperl+Fuchs component. 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

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:

  1. Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

Model: SU18/16/40a/110/115/126a

Part Number: 803584

Sensor Type: Slot sensor (fork sensor)

Slot Width: 16 mm

Output Type: PNP, Normally Open (NO)

Light Source: Infrared LED

Connection: 2 m fixed cable

Switching Frequency: ≥ 5 kHz

Voltage Supply: 10–30 V DC

Housing Material: Plastic

Protection Rating: IP67

Operating Temperature: -25°C to +60°C

Applications

  • Edge Detection in Labeling Machines: Guarantees precise label application by accurately identifying material edges, crucial for quality control in packaging.
  • Small Part Detection on Assembly Lines: Reliably detects tiny components, enhancing accuracy and preventing assembly errors in automated manufacturing processes.
  • Counting Objects on Conveyors: Provides efficient and accurate counting of items moving on conveyor belts, vital for inventory management and production monitoring.
  • Position Verification in Packaging: Confirms the correct placement and orientation of products within packaging machinery, reducing waste and improving throughput.
  • High-Speed Sorting Systems: Facilitates rapid and precise sorting of various items, optimizing logistics and increasing operational efficiency in distribution centers.

Why Choose the SU18/16/40a/110/115/126a?

The Pepperl+Fuchs SU18/16/40a/110/115/126a stands out as a premier choice for a wide range of industrial sensing requirements due to its unmatched combination of speed, precision, and endurance. Its exceptional response time, with a switching frequency exceeding 5 kHz, ensures that even the fastest-moving objects are detected reliably.

Availability & Shipping

  • In stock: SU18/16/40a/110/115/126a 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 SU18/16/40a/110/115/126a ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Pepperl+Fuchs

This sensor is designed for high-speed, precise detection of objects and accurate identification of edges, particularly useful for small components in automated environments.

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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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.

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