Allen-Bradley 1794-OB8 | 8-Point DC Sourcing Output Module

Allen-Bradley 1794-OB8 Flex I/O DC Sourcing Output Module

The 1794-OB8 controls DC devices like solenoids and relays. It delivers power directly from your control system. This module brings reliable switching to your automation projects.

Product Overview & Support

• Complete Model Number: 1794-OB8
• Manufacturer: Rockwell Automation / Allen-Bradley
• Product Series: Flex I/O
• Module Type: 8-Channel DC Sourcing Output
• Warranty Coverage: Full 12 Months
• Shipping Methods: FedEx, UPS, DHL Worldwide

Technical Performance Data

• Output Configuration: 8 non-isolated sourcing
• Rated Output Voltage: 24V DC nominal
• Maximum Current per Point: 500 mA
• Total Module Current: 4A maximum
• Voltage Drop: 0.5V DC maximum when ON
• Leakage Current: 0.5 mA maximum when OFF
• Isolation Rating: 50V continuous
• Power Consumption: 3.3W at 31.2V DC
• Response Time: 0.5ms OFF to ON, 1ms ON to OFF
• Operating Temperature: 0 to 55°C (32 to 131°F)
• Humidity Range: 5% to 95% non-condensing
• Compatible Bases: 1794-TB3, 1794-TB3S, 1794-TBKD

Package Contents & Delivery

• One genuine Allen-Bradley 1794-OB8 module
• International shipping via FedEx, UPS, or DHL
• Secure packaging ensures safe transit

5 Essential Technical Questions

• What does “sourcing output” mean?
  It provides positive voltage to connected devices, like a switch providing power.
• Is this module safe for hazardous areas?
  Yes, it carries approvals for both North American and European hazardous locations.
• Do I need to add external fuses?
  Yes, the outputs are not internally fused—external fusing is required for protection.
• Can I replace this module without shutting down?
  Yes, the hot-swap capability allows removal and insertion while power is on.
• What devices work with this module?
  It controls DC solenoids, relays, indicators, and other 24V DC field devices.

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