Allen-Bradley 1794-OA8 | Flex I/O 8-Channel AC Output Module

Allen-Bradley 1794-OA8 Flex I/O AC Digital Output Module

The Allen-Bradley 1794-OA8 delivers reliable AC output control for industrial automation systems. This compact module provides eight non-isolated outputs with robust performance characteristics. It handles various AC load requirements in demanding factory environments.

Key Specifications

• Model: 1794-OA8
• 8 non-isolated AC output channels
• 120V AC nominal voltage operation
• 85-132V AC wide operating range
• 4.0A total current (500mA per channel standard)
• 80mA FlexBus current draw at 5V DC
• 7A surge current capability for 40ms
• ½ cycle maximum signal delay time
• Weight:0.2kg

Electrical Characteristics

• 5mA minimum on-state current
• 1.0V maximum on-state voltage drop
• 2.25mA maximum off-state leakage current
• 4.1W power dissipation at 0.5A load
• 6.3W power dissipation at 0.75A/1A loads
• Thermal dissipation from 14.0 to 21.4 BTU/hr

Temperature-Dependent Ratings

• 30°C: 4 channels @ 500mA, 4 channels @ 1A
• 35°C: 750mA maximum per channel
• 55°C: 500mA maximum per channel
• Progressive derating for thermal management
• Optimized for various ambient conditions

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