Description
Allen-Bradley 1794-OW8 Flex I/O Relay Output Module | 8-Channel
The Allen-Bradley 1794-OW8 provides reliable relay-based output control for industrial automation systems. This Flex I/O module from Rockwell Automation features eight isolated electromechanical relays for versatile switching applications.
Technical Specifications & Performance Data
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1794-OW8
- Output Type: 8 Form A (Normally Open) Isolated Relays
- Contact Rating: 250V AC, 2A Resistive @ 50/60Hz
- Voltage Range: 5-30V DC, 2A Resistive; 74-132V AC
- Switching Capacity: 1800VA Make, 180VA Break
- Contact Life: 100,000 operations minimum @ rated load
- Switching Speed: 10ms maximum transition time
- Contact Resistance: 30mΩ initial maximum
- Isolation Voltage: 250V continuous between relays
- Power Supply: 24V DC nominal (19.2-31.2V DC range)
Environmental Ratings & Durability
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Vibration Resistance: 5g @ 10-500 Hz operating
- Shock Tolerance: 30g operating shock rating
- Humidity Range: 5-95% non-condensing relative humidity
- Switching Frequency: 0.3Hz maximum at rated load
- Contact Bounce Time: 1.2 milliseconds maximum
Installation & Compatibility
- Compatible with 1794-TB2, TB3, TB3S, TBN, TBNF terminal bases
- Requires keyswitch position 9 for proper operation
- DIN rail mounting for easy installation
- Works with all Flex I/O communication adapters
- Eight yellow LED indicators for channel status monitoring
- External power: 24V DC, 125mA nominal current
- FlexBus requirement: 5V DC, 35mA current
Alternative Module Comparisons
- For AC input applications, consider the 1794-IA16
- The 1794-IA8 provides compact AC input capabilities
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