1794-OW8 | Allen-Bradley | FLEX 8 Point Relay Output Module

Overview
The 1794-OW8 is an 8-channel relay output module from Allen-Bradley’s FLEX I/O series. It provides reliable mechanical switching with high isolation and long contact life, ideal for industrial control applications.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: FLEX I/O

• Part Number: 1794-OW8

• Module Type: 8-Point Relay Output Module

• Built-in Load Capacity: 120 VA

• Minimum Contact Load: 100 µA @ 100 mV DC

• Flexbus Current: 35 mA @ 5 V DC

• Initial Contact Resistance: 30 mΩ

• Switching Frequency: Max 0.3 Hz (1 operation per 3 s at rated load)

• Contact Bounce Time: 1.2 ms (average)

• Expected Contact Life: 100,000 operations minimum at rated load

• Power Dissipation: 5.5 W

• Isolation Voltage: 250 V

• Weight: 2 kg

Features

• Supports 8 independent relay outputs

• High isolation ensures safe operation in industrial environments

• Compact design for FLEX I/O system integration

• Low power consumption and precise switching characteristics

• Long-lasting mechanical contacts suitable for frequent operation

Applications

• Discrete output control in automation systems

• Switching actuators, alarms, and indicator circuits

• Industrial process control requiring isolated relay outputs

FAQs

Q: What is the maximum switching frequency?
A: The maximum switching frequency is 1 operation per 3 seconds (0.3 Hz) at rated load.

Q: How long is the expected contact life?
A: Electrical contacts are rated for at least 100,000 operations at rated loads.