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Allen-Bradley 42RLL-4000B
by Allen-Bradley
Read verified buyer reviews ↓OverviewExperience leading object detection and automation with the Allen-Bradley 42RLL-4000B, a sophisticated long-range photoelectric sensor from the renowned PHOTOSWITCH collection. Designed for challenging industrial settings, this sensor provides consistent and precise functionality across diverse applications. Featuring a robust transmitted beam, the 42RLL-4000B ensures exceptional accuracy, facilitating dependable object sensing over an impressive 900-foot (274-meter) distance. Its adaptable operating voltage of 102-132V AC, paired with a secure screw terminal interface, guarantees effortless integration into current or new industrial automation systems. This sensor is a cornerstone for improved efficiency and command within your operational flows, manufactured with Allen-Bradley's reputation for excellence and resilience.Key Features Significant Long-Range Sensing: Accurately identifies objects up to an impressive 900 feet (274m), making it perfect for extensive industrial operations where distance is crucial. High-Accuracy Transmitted Beam: Employs a transmitted beam for unmatched precision and dependability in object sensing, reducing false signals and ensuring steady operation. Broad Industrial Voltage Support: Functions flawlessly within a 102-132V AC range, ensuring compatibility with standard industrial power sources and boosting operational adaptability. Secure Screw Terminal Connection: Delivers a strong and dependable electrical link, simplifying installation and guaranteeing stable operation, even in environments prone to vibration. Industrial-Grade Construction: Built to endure demanding industrial conditions, ensuring lasting reliability and reducing maintenance needs in challenging environments. Easy Integration Features: Engineered for straightforward integration into various industrial automation systems, streamlining your setup and enhancing overall system efficiency. Improved Automation and Control: Boosts the accuracy and speed of automation processes, leading to increased output and reduced operational costs. Technical Specifications Model: 42RLL-4000B Series: PHOTOSWITCH Detection Range: 900ft (274m) Operating Voltage: 102-132V AC Connection Type: Screw Terminal Sensor Type: Transmitted Beam Source Mounting: Industrial Panel/Fixture Mount Certifications: UL, CE, RoHS Applications Advanced Industrial Detection & Positioning: Essential for precise sensing in intricate manufacturing and assembly lines. Optimized Conveyor & Material Handling: Automates and streamlines product movement, improving throughput and reducing manual effort. Automotive & Manufacturing Control: Critical for enhancing precision in high-speed production and robotic systems. Efficient Packaging & Assembly: Ensures accurate component detection and synchronization for error-free packaging and putting together. Smart Warehouse & Logistics: Supports sophisticated inventory management, automated guided vehicles (AGVs), and efficient sorting. Outdoor Perimeter Security: Provides reliable detection across large outdoor areas, boosting security and surveillance. Why Choose This Model?Unmatched Precision Over DistanceThe 42RLL-4000B provides highly accurate object detection across an exceptional 900-foot range, making it a leader in long-range sensing technology.Robust and Dependable PerformanceConstructed with Allen-Bradley's dedication to quality, this sensor ensures consistent and reliable operation in even the most demanding industrial environments, minimizing downtime and maximizing productivity.Seamless Integration and SetupWith its straightforward screw terminal connection and versatile voltage compatibility, integrating the 42RLL-4000B into existing automation systems is simple and efficient.Order NowEnhance your industrial automation capabilities today. Contact us for pricing and availability.FAQWhat is the maximum detection range of the 42RLL-4000B?The 42RLL-4000B can accurately detect objects up to 900 feet (274 meters).What voltage does this sensor operate on?This sensor operates on a 102-132V AC range, ensuring compatibility with standard industrial power supplies.What kind of connection does the 42RLL-4000B use?It utilizes a secure screw terminal connection for reliable electrical interfacing.
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Allen-Bradley 42RLL-4000B
Overview
This is a genuine Allen-Bradley 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 Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley 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 Allen-Bradley 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 Allen-Bradley platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 42RLL-4000B
- Series: PHOTOSWITCH
- Detection Range: 900ft (274m)
- Operating Voltage: 102-132V AC
- Connection Type: Screw Terminal
- Sensor Type: Transmitted Beam Source
- Mounting: Industrial Panel/Fixture Mount
- Certifications: UL, CE, RoHS
Applications
- Advanced Industrial Detection & Positioning: Essential for precise sensing in intricate manufacturing and assembly lines.
- Optimized Conveyor & Material Handling: Automates and streamlines product movement, improving throughput and reducing manual effort.
- Automotive & Manufacturing Control: Critical for enhancing precision in high-speed production and robotic systems.
- Efficient Packaging & Assembly: Ensures accurate component detection and synchronization for error-free packaging and putting together.
- Smart Warehouse & Logistics: Supports sophisticated inventory management, automated guided vehicles (AGVs), and efficient sorting.
- Outdoor Perimeter Security: Provides reliable detection across large outdoor areas, boosting security and surveillance.
Why Choose the 42RLL-4000B?
Unmatched Precision Over Distance
The 42RLL-4000B provides highly accurate object detection across an exceptional 900-foot range, making it a leader in long-range sensing technology.
Robust and Dependable Performance
Constructed with Allen-Bradley's dedication to quality, this sensor ensures consistent and reliable operation in even the most demanding industrial environments, minimizing downtime and maximizing productivity.
Seamless Integration and Setup
With its straightforward screw terminal connection and versatile voltage compatibility, integrating the 42RLL-4000B into existing automation systems is simple and efficient.
Availability & Shipping
- ▸In stock: 42RLL-4000B 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 42RLL-4000B ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley 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.