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Allen-Bradley 1756-OB8
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1756-OB8 is a high-performance ControlLogix 8-point digital output module meticulously engineered to provide precise and dependable control within demanding industrial automation environments. This robust module offers 12/24V DC output capabilities and integrates effortlessly into any ControlLogix chassis, ensuring seamless expansion and efficient system management. Designed for reliability and flexibility, the 1756-OB8 is an essential component for critical control applications where consistent performance is paramount. Its advanced features and durable construction make it an ideal choice for optimizing your automation infrastructure.Key Features 8 Isolated Digital Outputs: Provides precise 12/24V DC control, ideal for diverse industrial applications demanding individual channel integrity. High Current Capacity: Supports a generous 2A per output point, enabling reliable operation with heavy-duty loads and versatile device compatibility. Robust Isolation: Ensures superior signal reliability and robust protection against electrical interference, safeguarding your critical processes. Seamless ControlLogix Integration: Designed for effortless installation into any ControlLogix chassis, facilitating flexible system expansion and simplified upgrades. Clear LED Status Indicators: Equipped with intuitive LED indicators for each channel, enabling rapid troubleshooting and real-time operational status monitoring. Wide Operating Temperature Range: Certified for reliable performance in challenging industrial settings, operating efficiently from 0°C to 60°C. Technical Specifications Module Type: Digital output module Voltage Range: 10-31.2V DC (Nominal: 12/24V DC) Output Current: 2A per point, 8A per module maximum Number of Outputs: 8 isolated outputs Power Dissipation: 2.3W maximum at 60°C Isolation: 50V (continuous) per output group Operating Temperature: 0°C to 60°C (32°F to 140°F) Chassis Compatibility: Compatible with all Allen-Bradley ControlLogix chassis Certifications: UL, CE, cUL, ATEX, IECEx Applications Factory Automation: Optimally suited for controlling actuators, relays, and solenoids, enhancing precision and efficiency in manufacturing lines. Process Control: Manages critical outputs for sensors and valves in chemical, oil & gas, and other process industries, ensuring stable operations. Material Handling: Drives motors, conveyors, and various logistics equipment, streamlining industrial transportation and sorting systems. Building Automation: Integrates seamlessly with advanced building management systems for intelligent control of lighting, HVAC, and access control. Water and Wastewater Treatment: Provides reliable control for pumps, valves, and monitoring systems, crucial for environmental process management. Why Choose This Model? Unmatched Performance: Engineered to handle the most demanding automation tasks with exceptional reliability and precision, optimizing your operational uptime. Scalable and Flexible Design: Its modular nature allows for effortless integration and expansion within your existing ControlLogix architecture, supporting future growth. Industrial-Grade Durability: Built to withstand harsh industrial environments, ensuring long-term stable operation and reducing maintenance needs. Simplified Diagnostics: Features intuitive LED indicators that facilitate quick troubleshooting and minimize downtime, keeping your operations running smoothly. Global Compliance: With a comprehensive suite of international certifications, the 1756-OB8 meets rigorous safety and performance standards worldwide. Expert-Backed Reliability: As an Allen-Bradley product, it comes with the assurance of a global leader in automation, guaranteeing quality and support. Order NowElevate your industrial automation capabilities with the Allen-Bradley 1756-OB8 ControlLogix 8-Point Digital Output Module. Experience the perfect blend of power, reliability, and seamless integration. Contact us today to secure this essential component for your facility.FAQWhat is the Allen-Bradley 1756-OB8?It is a high-performance ControlLogix 8-point digital output module designed for precise and dependable control in industrial automation environments.What are the voltage capabilities of this module?The 1756-OB8 offers 12/24V DC output capabilities, with a voltage range of 10-31.2V DC.How many outputs does the 1756-OB8 have?It features 8 isolated digital outputs, each capable of supporting up to 2A.Is this module compatible with all ControlLogix chassis?Yes, the 1756-OB8 is designed for effortless installation into any ControlLogix chassis, allowing for flexible system expansion.What is the operating temperature range for the 1756-OB8?It is certified for reliable operation in temperatures ranging from 0°C to 60°C (32°F to 140°F).
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Allen-Bradley 1756-OB8
Overview
This is a genuine Allen-Bradley component from the ControlLogix 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 ControlLogix 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 ControlLogix family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Module Type: Digital output module
- Voltage Range: 10-31.2V DC (Nominal: 12/24V DC)
- Output Current: 2A per point, 8A per module maximum
- Number of Outputs: 8 isolated outputs
- Power Dissipation: 2.3W maximum at 60°C
- Isolation: 50V (continuous) per output group
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Chassis Compatibility: Compatible with all Allen-Bradley ControlLogix chassis
- Certifications: UL, CE, cUL, ATEX, IECEx
Applications
- Factory Automation: Optimally suited for controlling actuators, relays, and solenoids, enhancing precision and efficiency in manufacturing lines.
- Process Control: Manages critical outputs for sensors and valves in chemical, oil & gas, and other process industries, ensuring stable operations.
- Material Handling: Drives motors, conveyors, and various logistics equipment, streamlining industrial transportation and sorting systems.
- Building Automation: Integrates seamlessly with advanced building management systems for intelligent control of lighting, HVAC, and access control.
- Water and Wastewater Treatment: Provides reliable control for pumps, valves, and monitoring systems, crucial for environmental process management.
Why Choose the 1756-OB8?
- Unmatched Performance: Engineered to handle the most demanding automation tasks with exceptional reliability and precision, optimizing your operational uptime.
- Scalable and Flexible Design: Its modular nature allows for effortless integration and expansion within your existing ControlLogix architecture, supporting future growth.
- Industrial-Grade Durability: Built to withstand harsh industrial environments, ensuring long-term stable operation and reducing maintenance needs.
- Simplified Diagnostics: Features intuitive LED indicators that facilitate quick troubleshooting and minimize downtime, keeping your operations running smoothly.
- Global Compliance: With a comprehensive suite of international certifications, the 1756-OB8 meets rigorous safety and performance standards worldwide.
- Expert-Backed Reliability: As an Allen-Bradley product, it comes with the assurance of a global leader in automation, guaranteeing quality and support.
Availability & Shipping
- ▸In stock: 1756-OB8 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 1756-OB8 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.