Description
Allen-Bradley 1746-OW4: 4-Channel Relay Output Module
Versatile Relay Control
The Allen-Bradley 1746-OW4 is a flexible relay output module. It has 4 relay outputs for your SLC 500 system. This 1746-OW4 module works with both AC and DC power. It is perfect for switching different types of loads.
Key Technical Specifications
Brand: Allen-Bradley
Model: 1746-OW4
Type: 4-Point Relay Output
Voltage Range: 5-265V AC / 5-125V DC
Contact Type: Normally Open (N.O.)
Current per Point (120V AC): 1.5A
Current per Point (24V DC): 1.2A
Total Module Current: 8A max
Min Load Current: 1 mA at 5V DC
Switching Delay: 10 ms
Backplane Power: 5V DC, 45 mA
Thermal Dissipation: 1.9 W max
Isolation: 1500V AC
Relay Life: 100,000 operations
Connection: 4 independent commons
12 Month Warranty Guarantee
Your purchase is protected. We offer a full 12-month warranty on this 1746-OW4 module. It covers all manufacturing defects. We provide fast replacements. We ship worldwide using FedEx, UPS, and DHL.
Download Complete Manual
- Learn correct wiring for AC and DC loads.
- Understand relay specifications and life expectancy.
- Get maintenance and inspection guidelines.
- Find safety instructions for installation.
Download SLC 500 Hardware Manual Here
Important Technical Questions
- Can I switch both AC and DC on the same module?
Yes. Each relay can handle either AC or DC power. But you must wire them correctly. - How long do the relays last?
They are rated for 100,000 operations. This depends on the load type and current. - Why are there 4 separate common terminals?
This lets you switch 4 different circuits. Each output is fully isolated from the others. - What is the minimum load this can switch?
It can switch very small loads down to 1mA at 5V DC. This is good for signals. - Do I need external protection?
For inductive loads like motors, we recommend using surge suppressors. This protects the relay contacts.
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