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Allen Bradley 1794-0A8 FLEX I/O 8-Point AC Digital Output Module

Allen-Bradley 1794-0A8 FLEX I/O 8-Point AC Digital Output Module.

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ManufacturerAllen Bradley

Part number1794-0A8

Output Points 8 Non-isolated

Output Voltage 74-132VAC

Nominal Voltage 120VAC

Frequency 47-63Hz

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8 Non-isolated AC Outputs 74-132VAC Voltage Range 4.0A Max Module Current Compatible with Flex I/O System DIN Rail Mountable

Product description

The Allen-Bradley 1794-0A8 is a FLEX I/O 8-point AC digital output module designed for industrial automation. It provides eight non-isolated output channels, operating within a 74-132VAC range with a nominal voltage of 120VAC at 47-63Hz. This module is rated for a maximum output current of 4.0A across all outputs, with individual channels capable of up to 500mA at 55°C. It features a maximum on-state voltage drop of 1.0V at 0.5A and a maximum off-state leakage current of 2.25mA.

This module is suitable for controlling various AC loads, including relay coils, solenoid devices, and contactors, commonly used in manufacturing, packaging, and material handling systems. Its design facilitates integration within the Allen-Bradley FLEX I/O system, allowing for flexible and scalable automation solutions.

Stanlo Automation, a veteran-owned distributor, offers the Allen-Bradley 1794-0A8. We pride ourselves on providing reliable surplus industrial parts, competitive pricing, and exceptional customer service to meet your automation needs.

Technical specifications

Output Points	8 Non-isolated
Output Voltage	74-132VAC
Nominal Voltage	120VAC
Frequency	47-63Hz
Max Output Current	4.0A per module (500mA per output at 55°C)
On-state Voltage Drop	1.0V @ 0.5A max
Off-state Leakage Current	2.25mA max
Power Dissipation	4.1W @ 0.5A max
Thermal Dissipation	14 BTU/hr @ 0.5A max
Signal Delay	½ cycle
FlexBus Current	80mA @ 5V DC

Common applications

Relay Control

Solenoid Actuation

Contactor Control

Pilot Lighting

General AC Load Control

Machine Control

Compatible systems

Flex I/O Communication Adapters (e.g., 1794-ADN, 1794-AENT) FLEX I/O Terminal Bases (e.g., 1794-TBN, 1794-TB3)

Also known as

Allen-Bradley FLEX I/O 1794-OA8 1794-OA8 Output Module FLEX I/O 8 Channel AC Output

Replaces / compatible with

Compatible with Allen-Bradley FLEX I/O communication adapters and terminal bases.

Technical note

Expert tip

This module requires a compatible terminal base (e.g., 1794-TBN, 1794-TB3) for proper connection and operation.

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Frequently asked questions

What is the maximum current rating for the Allen-Bradley 1794-OA8 module?

The Allen-Bradley 1794-OA8 module has a maximum output current rating of 4.0A per module. Each individual output channel can handle up to 500mA at 55°C, ensuring reliable performance for your connected AC loads.