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1794-OA8 | Allen-Bradley Flex I/O 120V AC 8-Point Digital Output Module
- Regular price
- $277.00
- Sale price
- $277.00
- Regular price
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Product Description P/N: 1794-OA8
Description
The Allen-Bradley 1794-OA8 is an AC digital output module designed for Flex I/O distributed control systems. It supports eight nonisolated outputs operating at a nominal 120 V AC with an operating range of 85–132 V AC. Each channel provides up to 750 mA, with a total module current rating of 4 A, making it suitable for a wide range of industrial output control applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | I/O Modules |
| Part Number | 1794-OA8 |
| Subcategory | Digital Output Module |
| Outputs | 8 nonisolated |
| Nominal Output Voltage | 120 V AC |
| Operating Voltage Range | 85–132 V AC |
| Max Output Current per Channel | 750 mA |
| Minimum On-State Current | 5 mA per output |
| Max Module Current | 4.0 A |
| On-State Voltage Drop | 1.0 V at 0.5 A max |
| Off-State Leakage Current | 2.25 mA max |
| Isolation Voltage | 120 V continuous |
| FLEXBus Current | 80 mA at 5 V DC |
| Power Dissipation | 4.1 W at 0.5 A |
| Thermal Dissipation | 14.0 BTU/hr at 0.5 A |
| Recommended Terminal Base | 1794-TBNF |
| Compatible Terminal Bases | 1794-TB2, TB3, TB3S, TBN, TBKD |
| Product Type | Flex I/O AC output module |
| UPC | 10612598137845 |
Information About 1794-OA8
The 1794-OA8 is part of the Flex I/O modular family, offering distributed output functionality for Allen-Bradley control platforms. Its design includes eight AC output channels in a compact housing, optimized for space-constrained installations. Integration is achieved through the FLEXBus interface, consuming 80 mA at 5 V DC, and it supports multiple compatible terminal bases for flexible system configuration. Typical applications include driving AC actuators, contactors, and indicators where reliable switching performance and modular expansion are required.
Key Features:
- Eight AC output channels: Provides nonisolated 120 V AC output control.
- High output capacity: Supports up to 750 mA per channel with a 4 A module limit.
- Wide operating range: Functions within 85–132 V AC for system flexibility.
- Low on-state voltage drop: Maximum of 1.0 V at 0.5 A for efficient operation.
- Multiple compatible terminal bases: Works with TBNF, TB2, TB3, TB3S, TBN, and TBKD.
- FLEXBus communication: Requires only 80 mA at 5 V DC for module operation.
- Defined thermal characteristics: Power dissipation rated at up to 6.3 W under load.
- Continuous isolation rating: Supports 120 V continuous isolation between module circuitry and field connections.
The 1794-OA8 delivers the reliability and precision required for AC output switching in distributed industrial control systems.
Description
The Allen-Bradley 1794-OA8 is an AC digital output module designed for Flex I/O distributed control systems. It supports eight nonisolated outputs operating at a nominal 120 V AC with an operating range of 85–132 V AC. Each channel provides up to 750 mA, with a total module current rating of 4 A, making it suitable for a wide range of industrial output control applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | I/O Modules |
| Part Number | 1794-OA8 |
| Subcategory | Digital Output Module |
| Outputs | 8 nonisolated |
| Nominal Output Voltage | 120 V AC |
| Operating Voltage Range | 85–132 V AC |
| Max Output Current per Channel | 750 mA |
| Minimum On-State Current | 5 mA per output |
| Max Module Current | 4.0 A |
| On-State Voltage Drop | 1.0 V at 0.5 A max |
| Off-State Leakage Current | 2.25 mA max |
| Isolation Voltage | 120 V continuous |
| FLEXBus Current | 80 mA at 5 V DC |
| Power Dissipation | 4.1 W at 0.5 A |
| Thermal Dissipation | 14.0 BTU/hr at 0.5 A |
| Recommended Terminal Base | 1794-TBNF |
| Compatible Terminal Bases | 1794-TB2, TB3, TB3S, TBN, TBKD |
| Product Type | Flex I/O AC output module |
| UPC | 10612598137845 |
Information About 1794-OA8
The 1794-OA8 is part of the Flex I/O modular family, offering distributed output functionality for Allen-Bradley control platforms. Its design includes eight AC output channels in a compact housing, optimized for space-constrained installations. Integration is achieved through the FLEXBus interface, consuming 80 mA at 5 V DC, and it supports multiple compatible terminal bases for flexible system configuration. Typical applications include driving AC actuators, contactors, and indicators where reliable switching performance and modular expansion are required.
Key Features:
- Eight AC output channels: Provides nonisolated 120 V AC output control.
- High output capacity: Supports up to 750 mA per channel with a 4 A module limit.
- Wide operating range: Functions within 85–132 V AC for system flexibility.
- Low on-state voltage drop: Maximum of 1.0 V at 0.5 A for efficient operation.
- Multiple compatible terminal bases: Works with TBNF, TB2, TB3, TB3S, TBN, and TBKD.
- FLEXBus communication: Requires only 80 mA at 5 V DC for module operation.
- Defined thermal characteristics: Power dissipation rated at up to 6.3 W under load.
- Continuous isolation rating: Supports 120 V continuous isolation between module circuitry and field connections.
The 1794-OA8 delivers the reliability and precision required for AC output switching in distributed industrial control systems.