Allen-Bradley 1794-OB8EPXT | Robust Digital Output Module for Extreme Environments Overview The Allen-Bradley 1794-OB8EPXT is an 8-point digital output module designed for the FLEX I/O-XT system. It provides 24V DC sourcing outputs with electronic protection and is conformally coated for enhanced durability. The module operates in a wide temperature range, making it suitable for harsh industrial environments. Key Features Output Channels: 8 sourcing (PNP) outputs Output Voltage Range: 10–31.2V DC Nominal Output Voltage: 24V DC Output Current: Maximum per channel: 2 A Maximum per module: 10 A On-State Voltage Drop: Maximum 0.5V DC Off-State Leakage Current: Maximum 0.5 mA Surge Current: 2 A for 50 ms, repeatable every 2 seconds Isolation Voltage: 50V (continuous), basic insulation FlexBus Current: 80 mA @ 5V DC Power Dissipation: Maximum 5.3 W @ 32.1V DC Thermal Dissipation: Maximum 18.1 BTU/hr @ 31.2V DC Mounting: DIN rail Enclosure Type: Open-style Operating Temperature: -20 to +70°C (-4 to +158°F) Certifications: CE, UL, cULus, ATEX, IECEx, RCM, KC, CCC Technical Specifications Catalog Number: 1794-OB8EPXT Dimensions (H x W x D): 46.3 x 53.0 x 94.0 mm Weight: Approximately 0.13 kg Recommended Terminal Base Units: 1794-TB3G, 1794-TB3GS Wiring Category: 2 – on signal ports Wire Size: Determined by installed terminal base Terminal Base Screw Torque: Determined by installed terminal base Keyswitch Position: 4 Indicators: 8 yellow status indicators (one per channel) Applications Industrial Automation Systems Process Control Systems Material Handling Equipment Packaging Machinery Machine Control Why Choose the 1794-OB8EPXT? High-Density Output: 8 channels in a single module Extended Temperature Range: Operates from -20 to +70°C Enhanced Protection: Electronically protected outputs with fault status feedback Conformal Coating: Provides resistance to moisture and contaminants Flexible Integration: Compatible with various FLEX I/O adapters Reliable Performance: Designed for demanding industrial environments Ease of Maintenance: LED indicators for each channel facilitate troubleshooting Order Now Available and ready to ship globally. Return to our 1794 FLEX I/O Modules main category to explore all models and specifications in this family. Visit our Allen-Bradley Industrial Automation Products master category for the complete range of controllers, drives, motors, HMIs, and accessories.
