Allen-Bradley 1746-OA8 | SLC 500 Discrete AC Output Module

Overview

The Allen-Bradley 1746-OA8 is a high-performance SLC 500 discrete AC output module designed for precise control of electrical loads in industrial automation systems. Featuring eight output channels organized in two groups of four, it delivers reliable AC power across a wide voltage range of 85–264 VAC. Compact and robust, the module fits a single slot in the 1746 chassis and supports continuous operation under demanding conditions.

Key Features

• Eight discrete AC output channels, split into two groups of four channels each.

• Nominal output voltage: 120/240 VAC with an operating range of 85–264 VAC.

• Fast ON signal delay of 1 ms and OFF delay up to 11 ms for resistive loads.

• Continuous current per channel: 1 A at 30°C, 0.5 A at 60°C.

• Maximum module current: 8 A at 30°C, 4 A at 60°C.

• Backplane current: 185 mA @ 5VDC.

• Compact design for single-slot installation in SLC 500 chassis.

Technical Specifications

Product Benefits

The 1746-OA8 provides reliable AC output for energizing field devices in automation systems. Its precise timing and surge protection support sensitive loads while minimizing downtime. The module is easy to install and maintain due to its single-slot design and robust screw terminal connections. Its compact size and temperature resilience make it suitable for a wide range of industrial environments.

Applications

• Industrial manufacturing control loops

• HVAC and energy management systems

• Motor and solenoid actuation

• Process automation requiring discrete AC outputs

Frequently Asked Questions

Q1: Is the 1746-OA8 AC output module brand new and original?
Yes, all 1746-OA8 modules are brand new, original factory-sealed Allen-Bradley products.

Q2: How fast can this module be shipped?
We ship within 3 days to 2 weeks, depending on order size, via DHL, UPS, or FedEx.

Q3: What is the maximum current per channel?
Each channel supports 1 A at 30°C and 0.5 A at 60°C, with a module total of 8 A at 30°C.

Q4: What is the voltage range for outputs?
The module operates between 85–264 VAC, suitable for both 120V and 240V systems.

Q5: How fast does the module respond to ON/OFF signals?
The ON signal delay is 1 ms, and the OFF signal delay is 11 ms for resistive loads.