
The Allen-Bradley 1746-OW4 is a 4-point relay contact output module from the SLC 500 series, designed for controlling both AC and DC loads. With its wide voltage range and robust relay outputs, it is suitable for various industrial automation applications requiring reliable switching capabilities.
Technical Specifications
- Model: 1746-OW4
- Series: SLC 500
- Type: 4-Point Relay Contact Output Module
- Mounting: Rack-mounted (1 slot width)
- Output Channels: 4 normally open relay contacts
- Operating Voltage Range: 5–265V AC or 5–125V DC
- Current Rating per Output: 1.5 A @ 120V AC; 1.2 A @ 24V DC
- Continuous Current per Module: 8 A maximum
- Signal Delay: ON = 10 ms; OFF = 10 ms
- Backplane Current: 45 mA @ 5V DC
- Heat Dissipation: 0.133W per point; 1.9W total
- Isolation Voltage: 1500V AC (relay contacts to backplane)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% non-condensing
- Certifications: UL, CSA, CE
- Lifecycle Status: Discontinued
- Manufacturer: Allen-Bradley (Rockwell Automation)
Key Features
- Supports both AC and DC load switching
- High isolation between outputs and backplane
- LED indicators for output status monitoring
- Compatible with SLC 500 chassis and processors
- Designed for general-purpose relay output applications
Compatible Components & Accessories
- Allen-Bradley SLC 500 chassis and processors
- Allen-Bradley I/O and communication modules
- RSLogix 500 programming software
- PanelView HMIs and expansion I/O
Industry Applications
- Manufacturing automation
- Packaging and labeling systems
- Water treatment and utilities
- Food and beverage processing
- Material handling and logistics
Installation & Maintenance Notes
- Install in a clean, dry panel or cabinet
- Ensure proper alignment in the chassis slot
- Periodically inspect for dust or electrical wear
- Use RSLogix 500 for diagnostics and setup
- Power down before removing or inserting module
Request a Quote
For pricing and availability, please Contact Us or call 1-800-755-2883.
Disclaimer: TCI Supply is not an authorized distributor of Allen-Bradley products.
Frequently Asked Questions
What types of loads can the 1746-OW4 module control?
The 1746-OW4 can control both AC and DC loads within its specified voltage and current ratings, making it versatile for various applications.
What is the maximum current per output channel?
Each output channel can handle up to 1.5 A at 120V AC or 1.2 A at 24V DC, with a maximum of 8 A for the entire module.
Does the 1746-OW4 provide isolation between outputs and the backplane?
Yes, the module offers 1500V AC isolation between the relay contacts and the backplane, ensuring safe operation.