Allen-Bradley | 1756-OW16I ControlLogix Relay Output Module

Allen-Bradley 1756-OW16I – 16-Channel Isolated Relay Output Module

Key Features

• 16 isolated relay outputs (Normally Open)
• Works with 5-125V DC and 10-240V AC
• Handles 1.5A @120V AC or 1A @30V DC
• Fast 10ms switching for both ON/OFF
• Compact single-slot design

Technical Specifications

• Output Type: Isolated relay contacts
• Voltage Range: 5-125V DC / 10-240V AC
• Current Rating: 1.5A AC, 1A DC
• Contact Life: 300k operations (resistive)
• Switching Speed: 10ms max
• Isolation: 250V continuous
• Terminal Blocks: 1756-TBCH or 1756-TBS6H
• Power Use: 4.5W max
• Operating Temp: 0°C to 60°C

Easy Installation

• Fits any 1756 ControlLogix chassis
• Hot-swappable design
• LED status indicators

Download Complete Manual

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Expert Answers

1. Can I mix AC and DC voltages?
   Yes, each channel is fully isolated.
2. What’s the maximum switching frequency?
   1 operation every 3 seconds at full load.
3. Is external protection needed?
   Built-in isolation protects against voltage spikes.
4. Can I control motors directly?
   Best for contactors – not direct motor control.
5. What’s the module weight?
   Approx. 0.6kg (1.3lb).

Package Contents

• 1x 1756-OW16I relay module
• Installation guide

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