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Allen-Bradley 1746-OB8/A

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Allen-Bradley 1746-OB8/A

by Allen-Bradley

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OverviewThe Allen-Bradley 1746-OB8/A is an advanced 8-channel DC output module crafted for seamless integration into SLC 500 programmable logic controller (PLC) systems. Engineered for peak performance in demanding industrial settings, this module features eight independent sourcing outputs supporting 10-50V DC. Its core function involves converting digital commands from the PLC into electrical signals to manage a diverse range of connected industrial equipment, including relays, motor starters, lighting, and solenoids. The 1746-OB8/A ensures efficient and accurate signal transmission, boosting the dependable operation and productivity of your automation applications. This Series A module offers assured compatibility and consistent functionality, positioning it as an essential element for contemporary industrial control systems.Key Features 8 Isolated DC Sourcing Outputs: Provides individual command over eight distinct devices, enhancing system adaptability and resilience. Wide Output Voltage Range (10-50V DC): Accommodates various industrial uses and power requirements for extensive compatibility. Optimized for SLC 500 PLC Systems: Guarantees straightforward integration and consistent communication within your current Allen-Bradley setup. Series A Designation: Ensures backward compatibility and consistent functionality across diverse SLC 500 configurations. High Current Capacity: Capable of powering various industrial loads with stable and dependable energy delivery. Diagnostic Indicators: Features LED indicators for output status, simplifying troubleshooting and upkeep. Robust Industrial Construction: Built to endure harsh operational conditions, ensuring durability and continuous service. Technical Specifications Model: 1746-OB8/A Series: A Number of Outputs: 8 Output Voltage Range: 10-50V DC Output Type: Sourcing Output Current (per point): 0.5 A continuous, 2.0 A for 10 ms (total module current 4.0 A max) Isolation Voltage: 1500V AC Backplane Current Draw: 100 mA (5V DC), 100 mA (50V DC) Operating Temperature: 0 to 60°C (32 to 140°F) Storage Temperature: -40 to 85°C (-40 to 185°F) Humidity: 5-95% non-condensing Compatible PLC System: SLC 500 series Certifications: UL, CE, RoHS compliant Applications Industrial Automation & Process Control: Crucial for precise management of valves, actuators, and other field devices in manufacturing and process sectors. Automotive Manufacturing: Operates various components on assembly lines, including robotic grippers and conveyor mechanisms. Material Handling & Packaging Systems: Controls motors, solenoids, and indicators in conveying, sorting, and packaging equipment. Water/Wastewater Treatment Plants: Manages pump controls, valve operations, and telemetry systems. Energy Management Systems: Facilitates control in power generation and distribution applications. Machine Tool Control: Offers reliable output for operating diverse functions in CNC machines and other precision equipment. Why Choose Unrivaled Reliability: Manufactured by Allen-Bradley, a leader in industrial automation, this module ensures consistent and trustworthy operation, minimizing downtime. Seamless Integration: Specifically engineered for the SLC 500 family, guaranteeing easy installation and full compatibility with existing systems, simplifying upgrades. Broad Application Adaptability: With its wide voltage range and multiple outputs, the 1746-OB8/A can be deployed across a diverse array of industrial applications. Enhanced System Control: Provides accurate and efficient digital output control, leading to improved operational precision and optimized process workflows. Durable & Certified: Designed for robust industrial environments and includes essential certifications (UL, CE, RoHS), ensuring safety and compliance. Long-Term Value: A robust and dependable component that extends the lifespan and efficiency of your SLC 500 automation system. Order NowReady to upgrade your industrial control system? Purchase the Allen-Bradley 1746-OB8/A 8-Channel DC Output Module today and experience enhanced performance and reliability. Contact us for competitive pricing and expert support.FAQWhat is the primary function of the Allen-Bradley 1746-OB8/A module?The 1746-OB8/A module converts digital commands from an SLC 500 PLC into electrical signals to control various industrial devices like relays, motors, and solenoids.What voltage range does the 1746-OB8/A support?This module supports a wide output voltage range of 10-50V DC, making it versatile for many industrial applications.Is this module compatible with existing SLC 500 systems?Yes, as a Series A module, the 1746-OB8/A is specifically designed for optimal integration and backward compatibility within the SLC 500 PLC family.What certifications does the 1746-OB8/A possess?The module is UL, CE, and RoHS compliant, ensuring it meets crucial safety and environmental standards.Can this module be used in harsh industrial environments?Absolutely, the 1746-OB8/A features robust industrial construction, built to withstand challenging operating conditions.

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$192.99
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PRODUCT DETAILS

Allen-Bradley 1746-OB8/A

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:

  1. Exact replacement — same Allen-Bradley 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 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: 1746-OB8/A
  • Series: A
  • Number of Outputs: 8
  • Output Voltage Range: 10-50V DC
  • Output Type: Sourcing
  • Output Current (per point): 0.5 A continuous, 2.0 A for 10 ms (total module current 4.0 A max)
  • Isolation Voltage: 1500V AC
  • Backplane Current Draw: 100 mA (5V DC), 100 mA (50V DC)
  • Operating Temperature: 0 to 60°C (32 to 140°F)
  • Storage Temperature: -40 to 85°C (-40 to 185°F)
  • Humidity: 5-95% non-condensing
  • Compatible PLC System: SLC 500 series
  • Certifications: UL, CE, RoHS compliant

Applications

  • Industrial Automation & Process Control: Crucial for precise management of valves, actuators, and other field devices in manufacturing and process sectors.
  • Automotive Manufacturing: Operates various components on assembly lines, including robotic grippers and conveyor mechanisms.
  • Material Handling & Packaging Systems: Controls motors, solenoids, and indicators in conveying, sorting, and packaging equipment.
  • Water/Wastewater Treatment Plants: Manages pump controls, valve operations, and telemetry systems.
  • Energy Management Systems: Facilitates control in power generation and distribution applications.
  • Machine Tool Control: Offers reliable output for operating diverse functions in CNC machines and other precision equipment.

Why Choose the 1746-OB8/A?

  • Unrivaled Reliability: Manufactured by Allen-Bradley, a leader in industrial automation, this module ensures consistent and trustworthy operation, minimizing downtime.
  • Seamless Integration: Specifically engineered for the SLC 500 family, guaranteeing easy installation and full compatibility with existing systems, simplifying upgrades.
  • Broad Application Adaptability: With its wide voltage range and multiple outputs, the 1746-OB8/A can be deployed across a diverse array of industrial applications.
  • Enhanced System Control: Provides accurate and efficient digital output control, leading to improved operational precision and optimized process workflows.
  • Durable & Certified: Designed for robust industrial environments and includes essential certifications (UL, CE, RoHS), ensuring safety and compliance.
  • Long-Term Value: A robust and dependable component that extends the lifespan and efficiency of your SLC 500 automation system.

Availability & Shipping

  • In stock: 1746-OB8/A 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-OB8/A ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1746-OB8/A module converts digital commands from an SLC 500 PLC into electrical signals to control various industrial devices like relays, motors, and solenoids.

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.

CUSTOMER REVIEWS

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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.

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