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Pepperl+Fuchs NBB20-U1-UU
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs NBB20-U1-UU inductive proximity sensor, identified by Part No. 238884, is engineered for reliable metallic object detection in challenging industrial settings. This robust sensor provides a significant 20 mm sensing range, suitable for various applications. It offers broad compatibility with control systems due to its versatile 2-wire AC/DC switching output. Built for durability, the NBB20-U1-UU features a sturdy, rectangular housing and an IP67 protection rating, ensuring consistent performance in environments with dust and water exposure. It offers the precision and resilience needed for industrial automation processes and outdoor installations.Key Features Extended Detection Range: Reliably senses objects at distances up to 20 mm, enhancing application flexibility. Universal AC/DC Connectivity: Features a 2-wire AC/DC normally open output, ensuring compatibility with a wide array of power supplies and control circuits. Broad Voltage Acceptance: Operates efficiently within a wide power supply range of 20–250V AC/DC. Durable Rectangular Construction: Boasts a robust block-style housing designed for longevity and straightforward flush mounting. Prewired for Easy Setup: Includes a 2-meter prewired cable for quick and simple installation. Comprehensive Safeguards: Integrated short-circuit, overload, and surge protection mechanisms shield the sensor and connected equipment. Clear Operational Status: An integrated LED provides immediate visual confirmation of the sensor's operating state. High Environmental Protection: IP67 certified, delivering superior resistance against dust and water, ensuring dependable performance in harsh industrial contexts. Technical Specifications Model Number: NBB20-U1-UU Part Number: 238884 Sensing Distance: 20 mm Output Configuration: 2-wire, Normally Open (NO) Operating Voltage: 20–250V AC/DC Max Switching Frequency: 25 Hz Switching Current: Max. 200 mA Voltage Drop: < 10V Cable Length: 2 meters, 2-wire Enclosure Material: PBT (plastic) Protection Rating: IP67 Operating Temperature: -25°C to +70°C Mounting: Flush Certifications: CE, cULus Applications Material Handling Systems: Ideal for detecting sizable metal objects in conveyor systems, automated warehouses, and logistics, ensuring continuous material flow. Packaging Lines: Provides non-contact monitoring of product presence and positioning on packaging lines, improving precision and reducing downtime in high-speed operations. General Industrial Machinery: A versatile and resilient sensing solution for diverse industrial equipment requiring dependable performance in demanding operational conditions. Construction Equipment: Offers reliable presence detection in outdoor and rigorous environments, making it an excellent option for heavy-duty construction vehicles and machinery. Why ChooseThe Pepperl+Fuchs NBB20-U1-UU is a standout option for industrial sensing, combining advanced features with robust construction. Its impressive 20 mm flush sensing capability offers significant versatility, allowing for consistent detection of larger or more distant metallic targets. The universal AC/DC voltage compatibility streamlines integration into existing systems, minimizing complexity and installation time. Furthermore, the IP67 rated enclosure of the NBB20-U1-UU guarantees exceptional durability and uninterrupted operation in demanding settings, from dusty factory floors to outdoor installations exposed to the elements. With its prewired design and straightforward 2-wire connection, deployment is effortless, making it an efficient and dependable solution for improving productivity and safety.Order NowEnhance your industrial operations with the Pepperl+Fuchs NBB20-U1-UU inductive sensor (Part Number 238884). This high-performance sensor offers exceptional reliability and durability for even the most demanding applications. Contact us today to place your order or request a quote!FAQWhat is the sensing distance of the NBB20-U1-UU?The NBB20-U1-UU offers an extended sensing distance of 20 mm, allowing for reliable detection of metallic objects even in challenging applications.What type of output does this sensor have?This sensor features a 2-wire AC/DC normally open output, ensuring broad compatibility with various control systems and power supplies.What is the protection rating of the NBB20-U1-UU?The NBB20-U1-UU has an IP67 protection rating, making it impervious to dust and water ingress for consistent operation in harsh conditions.
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Pepperl+Fuchs NBB20-U1-UU
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 Number: NBB20-U1-UU
- Part Number: 238884
- Sensing Distance: 20 mm
- Output Configuration: 2-wire, Normally Open (NO)
- Operating Voltage: 20–250V AC/DC
- Max Switching Frequency: 25 Hz
- Switching Current: Max. 200 mA
- Voltage Drop: < 10V
- Cable Length: 2 meters, 2-wire
- Enclosure Material: PBT (plastic)
- Protection Rating: IP67
- Operating Temperature: -25°C to +70°C
- Mounting: Flush
- Certifications: CE, cULus
Applications
- Material Handling Systems: Ideal for detecting sizable metal objects in conveyor systems, automated warehouses, and logistics, ensuring continuous material flow.
- Packaging Lines: Provides non-contact monitoring of product presence and positioning on packaging lines, improving precision and reducing downtime in high-speed operations.
- General Industrial Machinery: A versatile and resilient sensing solution for diverse industrial equipment requiring dependable performance in demanding operational conditions.
- Construction Equipment: Offers reliable presence detection in outdoor and rigorous environments, making it an excellent option for heavy-duty construction vehicles and machinery.
Why Choose the NBB20-U1-UU?
The Pepperl+Fuchs NBB20-U1-UU is a standout option for industrial sensing, combining advanced features with robust construction. Its impressive 20 mm flush sensing capability offers significant versatility, allowing for consistent detection of larger or more distant metallic targets. The universal AC/DC voltage compatibility streamlines integration into existing systems, minimizing complexity and installation time. Furthermore, the IP67 rated enclosure of the NBB20-U1-UU guarantees exceptional durability and uninterrupted operation in demanding settings, from dusty factory floors to outdoor installations exposed to the elements. With its prewired design and straightforward 2-wire connection, deployment is effortless, making it an efficient and dependable solution for improving productivity and safety.
Availability & Shipping
- ▸In stock: NBB20-U1-UU 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 NBB20-U1-UU 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.