Product Details
Product Overview
The Allen-Bradley 1769-OB8 is a high-current digital output module designed for reliable signal switching and control in CompactLogix and compatible automation systems. It supports 18 output points, organized in four-point groups, and provides robust electrical isolation between channels and groups. The module operates with 24 VDC inputs, handles short-term surge currents up to 4 A for 10 ms, and is optimized for DIN rail or panel mounting. Its compact footprint and low heat dissipation make it suitable for distributed I/O configurations, while maintaining high reliability in industrial environments.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model: 1769-OB8
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Product Type: High Current Output Module
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Inputs: 18 channels (4 points per group)
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Voltage Category: 24 V DC source
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Operating Voltage Range: 20.4–26.4 V DC
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Heat Dissipation (max): 2.2 W
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Current Draw @ 5.1 V: 145 mA
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On-State Current (min): 1 mA
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Surge Current: 4 A for 10 ms, repeatable every 2 s
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Isolation Voltage: Dielectric test 1200 V AC / 1697 V DC, output point to bus, group-to-group 75 V DC working (IEC Class 2 reinforced insulation)
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Module Mounting: DIN rail or panel mount
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Dimensions (HxWxD): 11.8 × 3.5 × 8.7 cm
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Weight: 0.5 kg
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Power Supply Compatibility: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
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Max Modules per Power Supply: 8
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Slot Width: 1
Features
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Supports high-current digital outputs with precise switching
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Grouped outputs for efficient wiring and signal management
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Electrical isolation ensures safe operation and protects system integrity
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Compact design for easy installation on DIN rails or panels
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Compatible with multiple CompactLogix power supplies for flexible system design
Application Scenarios
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Industrial control systems requiring high-current digital outputs
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Distributed I/O configurations in CompactLogix environments
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Switching of actuators, relays, and high-current field devices
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Replacement or upgrade for existing 1769-series output modules
FAQ
Q: Is the 1769-OB8 module original and new?
A: Yes, all units are factory-sealed and fully original Allen-Bradley products.
Q: What is the delivery time?
A: Orders usually ship within 3–14 days, depending on quantity.
Q: What warranty is included?
A: The module comes with a 12-month manufacturer warranty.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.