Allen-Bradley 1746-OW16 SLC 500 16-Channel Relay Output Module
$150.00
Out of stock
Request QuoteThe Allen-Bradley 1746-OW16 is a 16-channel relay output module for the SLC 500 platform. It provides 16 normally-open hard contact outputs arranged in two groups of 8, supporting both AC (5–265V) and DC (5–125V) loads. Rated for up to 1A continuous per point with 16A maximum per module, it is widely used for switching solenoids, contactors, motor starters, and indicator lights.
| Output Type | 16 Relay (Normally Open), 2 groups of 8 |
| Operating Voltage | 5–265V AC / 5–125V DC |
| Max Current Per Point | 1A continuous (resistive) |
| Signal Delay | 10 ms ON / 10 ms OFF |
| Platform | SLC 500 |
| Backplane Current | 170 mA @ 5V DC / 180 mA @ 24V DC |
Description
Allen-Bradley 1746-OW16 SLC 500 16-Channel Relay Output Module
The 1746-OW16 provides 16 normally-open relay contact outputs for the Allen-Bradley SLC 500 modular PLC platform. Each output is a hard contact relay capable of switching AC loads up to 265V or DC loads up to 125V. The module is organized as two banks of 8 outputs, each with an independent common terminal, making it suitable for mixed-voltage applications. Commonly used to control solenoids, motor starters, contactors, and pilot lights in industrial automation systems.
| Module Overview | |
|---|---|
| Catalog Number | 1746-OW16 |
| Type | 16-Point Relay Contact Output |
| Output Configuration | 16 Normally Open (N.O.) relays, 2 groups of 8 |
| Platform | SLC 500 |
| Electrical Specifications | |
|---|---|
| Operating Voltage (AC) | 5–265V AC |
| Operating Voltage (DC) | 5–125V DC |
| Max Continuous Current (per point) | 1A (resistive load) |
| Max Current Per Module | 16A |
| Make Rating (120V AC) | 15A |
| Break Rating (120V AC) | 1.5A |
| Isolation | 1500V AC (backplane to output) |
| Signal Delay (resistive) | 10 ms ON / 10 ms OFF |
| Power & Backplane | |
|---|---|
| Backplane Current (5V DC) | 170 mA |
| Backplane Current (24V DC) | 180 mA |
| Thermal Dissipation | 5.7 W max |
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1746-OW16
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1746-OW16 units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1746-OW16
The 1746-OW16 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1746OW16
- Allen Bradley 1746-OW16
- Allen-Bradley 1746-OW16
- 1746 OW16
- 1746/OW16
- SLC 500 1746-OW16
- SLC500 1746-OW16
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.5 lbs |
|---|---|
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 662468067072 |
| mpn | 1746-OW16 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 1746-OW16
| Shipping Dimensions | |
|---|---|
| Weight | 0.5 lbs |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
Does the 1746-OW16 include a warranty?
Yes. Every 1746-OW16 sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1746-OW16?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1746-OW16 ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1746-OW16?
The 1746-OW16 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.

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