
*Image shown is a representation only. Actual product may vary.
Allen-Bradley 1746-IA4
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1746-IA4 is a robust 4-channel digital input module engineered specifically for the venerable SLC 500 programmable logic controller (PLC) platforms. This module is designed for industrial settings, efficiently handling 120V AC input signals, making it an essential component for a wide array of general-purpose automation tasks. Its effortless integration capabilities and sophisticated design guarantee optimal performance and continuous operation, reducing pauses and boosting output across various sectors. Whether upgrading an existing SLC 500 setup or constructing a new control system, the 1746-IA4 delivers the precision and trustworthiness required for critical industrial processes.Key Features 4 Digital Input Channels: Offers ample capacity for simultaneously monitoring multiple 120V AC industrial signals. 120V AC Input Compatibility: Specifically crafted to manage standard industrial AC voltage inputs, ensuring broad applicability. Seamless SLC 500 System Integration: Integrates effortlessly with all Allen-Bradley SLC 500 controllers, simplifying setup and configuration. General-Purpose Industrial Application: Adaptable for use across a wide spectrum of factory automation, process control, and supervisory systems. High Reliability and Durability: Constructed to endure demanding industrial conditions, providing consistent performance and an extended operational life. Series A Design: Ensures compatibility with current SLC 500 infrastructures and streamlines replacement or expansion efforts. Optimized Signal Processing: Guarantees precise and timely detection of input signals, vital for accurate command and safety. Technical Specifications Model Number: 1746-IA4 Series: A Number of Inputs: 4 digital inputs Input Voltage: 120V AC Input Type: Digital Compatible PLC System: Allen-Bradley SLC 500 Certifications: UL Listed, CE Compliant, RoHS Compliant (Ensuring adherence to safety, quality, and environmental standards) Operating Temperature: Engineered for typical industrial operating ranges (consult official datasheet for specific values) Mounting: Chassis mountable within the SLC 500 rack Current Draw: (Consult official datasheet for specific values) Applications Industrial Automation & Process Control: Perfect for overseeing machine states, sensor inputs, and operator controls in intricate processes. Manufacturing & Packaging Systems: Ensures accurate sequencing and command in high-speed production lines and automated packaging machinery. SCADA & Distributed Control Systems (DCS): Provides reliable data acquisition from field devices, feeding crucial information to central control systems. Material Handling & Robotics: Seamlessly integrates with robotic cells and conveyor systems to manage material flow and safety interlocks. Building Management Systems: Can be utilized for facility monitoring, security systems, and HVAC controls within industrial complexes. Water and Wastewater Treatment: Monitors various inputs from pumps, valves, and level sensors for efficient plant operation. Why Choose the Allen-Bradley 1746-IA4? Unmatched Reliability: Built with Allen-Bradley's renowned industrial quality, guaranteeing trustworthy operation in the most demanding environments. Seamless Integration: Designed specifically for the SLC 500 platform, offering straightforward installation and compatibility with your existing infrastructure. Enhanced Productivity: Accurate and rapid signal processing minimizes errors and downtime, contributing to more efficient and productive operations. Cost-Effective Solution: A durable and long-lasting module that provides excellent value, reducing the need for frequent replacements or extensive maintenance. Broad Application Versatility: Adaptable to a vast range of industrial tasks, providing a flexible solution for diverse automation needs. Trusted Brand Legacy: Leverage the global reputation and extensive support network of Allen-Bradley for peace of mind. Order NowEnhance your industrial automation capabilities with the Allen-Bradley 1746-IA4 digital input module. Contact us today to place your order or learn more about how this exceptional component can benefit your operations.FAQWhat is the Allen-Bradley 1746-IA4?The 1746-IA4 is a 4-channel digital input module manufactured by Allen-Bradley, designed to work with SLC 500 PLC systems. It processes 120V AC input signals for various industrial automation applications.What kind of signals does the 1746-IA4 handle?This module specifically handles 120V AC digital input signals, making it suitable for standard industrial electrical systems.Is the 1746-IA4 compatible with all SLC 500 controllers?Yes, the 1746-IA4 is designed for seamless integration with all Allen-Bradley SLC 500 controllers, ensuring easy setup and configuration.What are the primary applications for this module?The 1746-IA4 is versatile and used in applications such as industrial automation, process control, manufacturing, packaging systems, SCADA, material handling, robotics, building management, and water/wastewater treatment.Why should I choose the Allen-Bradley 1746-IA4?You should choose the 1746-IA4 for its unmatched reliability, seamless integration capabilities with SLC 500 systems, enhanced productivity through accurate signal processing, cost-effectiveness, and broad application versatility, all backed by Allen-Bradley's trusted brand legacy.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Allen-Bradley 1746-IA4
Overview
This is a genuine Allen-Bradley component from the SLC 500 Platform (Legacy) 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 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
- Engineered to integrate inside SLC 500 Platform (Legacy) installations
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 for the SLC 500 Platform (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Number: 1746-IA4
- Series: A
- Number of Inputs: 4 digital inputs
- Input Voltage: 120V AC
- Input Type: Digital
- Compatible PLC System: Allen-Bradley SLC 500
- Certifications: UL Listed, CE Compliant, RoHS Compliant (Ensuring adherence to safety, quality, and environmental standards)
- Operating Temperature: Engineered for typical industrial operating ranges (consult official datasheet for specific values)
- Mounting: Chassis mountable within the SLC 500 rack
- Current Draw: (Consult official datasheet for specific values)
Applications
- Industrial Automation & Process Control: Perfect for overseeing machine states, sensor inputs, and operator controls in intricate processes.
- Manufacturing & Packaging Systems: Ensures accurate sequencing and command in high-speed production lines and automated packaging machinery.
- SCADA & Distributed Control Systems (DCS): Provides reliable data acquisition from field devices, feeding crucial information to central control systems.
- Material Handling & Robotics: Seamlessly integrates with robotic cells and conveyor systems to manage material flow and safety interlocks.
- Building Management Systems: Can be utilized for facility monitoring, security systems, and HVAC controls within industrial complexes.
- Water and Wastewater Treatment: Monitors various inputs from pumps, valves, and level sensors for efficient plant operation.
Why Choose the 1746-IA4?
- Unmatched Reliability: Built with Allen-Bradley's renowned industrial quality, guaranteeing trustworthy operation in the most demanding environments.
- Seamless Integration: Designed specifically for the SLC 500 platform, offering straightforward installation and compatibility with your existing infrastructure.
- Enhanced Productivity: Accurate and rapid signal processing minimizes errors and downtime, contributing to more efficient and productive operations.
- Cost-Effective Solution: A durable and long-lasting module that provides excellent value, reducing the need for frequent replacements or extensive maintenance.
- Broad Application Versatility: Adaptable to a vast range of industrial tasks, providing a flexible solution for diverse automation needs.
- Trusted Brand Legacy: Leverage the global reputation and extensive support network of Allen-Bradley for peace of mind.
Availability & Shipping
- ▸In stock: 1746-IA4 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 1746-IA4 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.
Related Allen-Bradley resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
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.