Allen Bradley 1746-OA8 discrete AC output module

• Series: SLC 500
• Nominal Output Voltage: 120 / 240 VAC
• Output Voltage Range: 85...264 VAC
• Voltage Range: 85...265 VAC
• Backplane Current Consumption: 185 mA
• Maximum On-State Voltage Drop: 1.5 V at 1.0 A
• Surge Current per Point: 10 A for 25 ms

The Allen-Bradley 1746-OA8 is an SLC 500 AC output module. This module is part of discrete output modules, used to energize electrical loads that operate at an operating voltage range of 85-264 VCA with frequency of 47-63 Hz. The module’s nominal output voltages are 120VAC and 240VAC and occupies a single slot of the 1746 chassis.

Each channel of the 1746-OA8 delivers a continuous output current of 1.0 A @ 30 °C (86 °F) or 0.50 A @ 60 °C (140 °F) while the maximum continuous output current per module is 8.0 A @ 30 °C (86 °F) and 4.0 A @ 60 °C (140 °F). Additionally, each channel has an ON signal delay of 1 ms for resistive load and maximum OFF delay signal of 11 ms for resistive load as well.

The 1746-OA8 draws backplane current amounting to 185 mA @ 5VDC with ON state output voltage drop of 1.50V @ 1.0 A. The module’s minimum load current is 10 mA with maximum OFF state leakage output current of 2 mA. The module’s maximum surge current per point is 10 A for 25 ms.

The 1746-OA8 fits to any available slot of the 1746 chassis except the first slot which is reserve for the SLC 500 processor.

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Revision Part 

1746-OA8 Ser A

1746-OA8 Ser B

All products are covered by the Wusu Industrial Automation Company's 1 Year Warranty. Manufacturer's Warranty does not apply.

 Refund and replacement

1. Please contact us within 7 days if you have any question after you receiving the items.

2.The returned items has to be in its original condition, specific reason for the return, we will 

issue a return or replacement for your order after we received the returns.

3.The buyer is responsible for all the shipping cost incurred.