Product image is representative; revision or series may vary. Contact us to request a specific version.
1794-OW8
The 1794-OW8 is a relay output module from the Allen Bradley Flex I/O 1794 series. It features eight normally-open isolated electromechanical relay outputs and operates with a nominal supply voltage of 24V DC.
-
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
-
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
-
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
-
Repairs and exchanges are available for all automation products.
- Reseller Options
Drop shipping, blind shipping, and account shipping with no extra fees.
Technical specifications for 1794-OW8
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Relay Output Module |
| Product Line | Flex I/O 1794 |
| Part Number | 1794-OW8 |
| GTIN | 10662468112298 |
| Weight | 0.25 lbs (0.11 kg) |
| UPC | 662468112291 |
| Number of Outputs | 8 Outputs |
| Output Relay Type | Normally-Open Isolated Electromechanical Relays |
| FLEXbus Current | 5V DC and 35 mA |
| Nominal Supply Voltage | 24V DC |
| Initial Contact Resistance | 30 milliohms |
| Average Bounce Time | 1.2 ms |
| Maximum Output Signal Delay | 10 ms for transitions from on to off and off to on |
| Minimum Electrical Contact Life Expectancy | 100,000 operations at rated loads |
| Thermal Dissipation | 18.8 BTU per Hour |
| Power Dissipation | 5.5 Watts |
| Status Indicators | 8 yellow indicator lights |
| Keyswitch Position | Position 9 |
| Enclosure | Open-Style |
The Allen Bradley 1794-OW8 functions as a relay output module designed for use within the Flex I/O 1794 series. This device provides eight outputs, each utilizing normally-open isolated electromechanical relays, enhancing operational flexibility. It is powered by a nominal supply voltage of 24V DC and requires a FLEXbus current of 5V DC at 35 mA for its operation.
The module features an initial contact resistance of 30 milliohms, ensuring efficient signal transmission. With an average bounce time of 1.2 milliseconds, the 1794-OW8 is optimized for rapid signal processing, exhibiting a maximum output signal delay of 10 milliseconds during transitions. The expected electrical contact lifespan is approximately 100,000 operations under rated loads, emphasizing its durability in demanding applications.
The power dissipation of this module is calculated at 5.5 Watts, while thermal management is rated at 18.8 BTU per hour. The status indicators consist of eight yellow lights, providing users with immediate feedback on the module's operational status. The keyswitch position for this output module is set at Position 9, and its construction follows an open-style enclosure, allowing for straightforward integration into existing systems.
| Revision Part # | Also known as | |
|---|---|---|
| 1794-OW8 Ser A | 1794-OW8/A, Series A, Rev A | |
| Don't see your particular revision? Contact us now. | ||
- 1794-0W8
- 1794-OWB
- 17940W8
- 1794OW8
- 1794OWB
- 179A-OW8
- 179AOW8
- I794-OW8
- I794OW8
- I79A-0WB
- I79A0WB
Does the 1794-OW8 come with a warranty?
Yes, the 1794-OW8 includes a free 2-year DO Supply warranty. You can upgrade to a 3-year warranty at checkout for even more protection.
How is the 1794-OW8 grounded?
The 1794-OW8 is grounded through the DIN rail down to the ground. For proper grounding use a zinc plated yellow-chromate steel DIN rail.
What is the power dissipation for the 1794-OW8?
The power dissipation for the 1794-OW8 is 5.5 Watts.
What kind of fusing is recommended for the 1794-OW8?
Specifically, 3.0 A, 240 Volt AC slow-blow fuses are recommended for the 1794-OW8.
What is this module’s power dissipation?
The 1794-OW8 has a power dissipation around 5.5 Watts.
Where can I send the 1794-OW8 to be repaired?
DO Supply, Inc. offers a variety of repair services for the 1794-OW8.
How many output channels does the 1794-OW8 have?
The 1794-OW8 has Eight (8) output channels.
What is the output contact form of the 1794-OW8?
The 1794-OW8 has Form A, Normally Open output contacts.
What is the recommended fuse for use with the 1794-OW8?
The 1794-W8 is compatible with 3.0 A, 250V AC slow-blow fuses (Littelfuse pt. no. 239003).
The Allen-Bradley 1794-OW8 Flex I/O Relay Output Module has 8 Relay Outputs, a 1.0mA through Snubber Circuit Off-state Leakage Current, and a 100A at 100 mV DC Minimum Contact Load. It also operates with a 30 m? Initial Contact Resistance and a 1.2ms Bounce Time.