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1791-24A8 | Allen-Bradley 120VAC Block I/O Module with 24 Inputs and 8 Outputs
- Regular price
- $4,439.00
- Sale price
- $4,439.00
- Regular price
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Product Description P/N: 1791-24A8
Description
The Allen-Bradley 1791-24A8 is a 120VAC block I/O module designed for use in Remote I/O architectures. It provides twenty-four AC input channels and eight AC output channels, integrating onboard power handling, signal processing, and PLC interface capabilities. Engineered for centralized field device connections, the 1791-24A8 supports reliable monitoring and control within industrial automation systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1791-24A8 |
| Subcategory | Block I/O |
| Product Type | Block I/O Module |
| Voltage | 120 VAC |
| External Power Voltage | 85–132 VAC |
| External Power Current | 150 mA |
| No. of Inputs | 24 |
| Input On-State Voltage | 79–132 VAC |
| Input On-State Current | 12.3 mA max @ 132 V |
| Input Off-State Voltage | 35 V max |
| Input Off-State Current | 2.3 mA min |
| No. of Outputs | 8 |
| Output Voltage Range | 20–123 VAC |
| On-State Voltage Range | 79–132 VAC |
| Output Groups | 1 group of 8 |
| Thermal Dissipation | 63.97 BTU/hr |
| Power Dissipation | 18.76 W |
| Mounting | Vertical or horizontal |
| Dimensions | 6.95 × 4.35 × 3.85 in |
| UPC | 10612598124777 |
| Lifecycle Status | Discontinued / Obsolete |
Information About 1791-24A8
The 1791-24A8 is part of the Allen-Bradley Block I/O family, a series of modular I/O solutions used in distributed and remote automation configurations. Designed for 120VAC operation, the module consolidates discrete inputs and outputs into a compact housing that mounts horizontally or vertically to fit various panel layouts. It supports Remote I/O network installations, enabling simplified wiring and centralized system integration for machine control, material handling, and process equipment. With built-in signal conditioning, external power support, and durable construction, the module offers dependable performance for legacy and replacement applications in industrial facilities.
Key Features:
- 32 total I/O points: Includes 24 AC inputs and 8 AC outputs for versatile system integration.
- 120VAC operation: Compatible with common industrial power levels and field devices.
- Remote I/O architecture: Supports distributed control and centralized PLC interfacing.
- Flexible installation: Mounts vertically or horizontally for efficient panel usage.
- Integrated signal processing: Conditions AC input and output signals for reliable control.
- Single output group: Eight outputs arranged in one group for simplified wiring.
- Wide on-state input range: Accepts 79–132 VAC with 12.3 mA on-state current.
- Rugged industrial design: Suitable for legacy replacement and long-term plant operation.
The 1791-24A8 delivers the reliability and precision required for distributed I/O applications in industrial automation and equipment control.
Description
The Allen-Bradley 1791-24A8 is a 120VAC block I/O module designed for use in Remote I/O architectures. It provides twenty-four AC input channels and eight AC output channels, integrating onboard power handling, signal processing, and PLC interface capabilities. Engineered for centralized field device connections, the 1791-24A8 supports reliable monitoring and control within industrial automation systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1791-24A8 |
| Subcategory | Block I/O |
| Product Type | Block I/O Module |
| Voltage | 120 VAC |
| External Power Voltage | 85–132 VAC |
| External Power Current | 150 mA |
| No. of Inputs | 24 |
| Input On-State Voltage | 79–132 VAC |
| Input On-State Current | 12.3 mA max @ 132 V |
| Input Off-State Voltage | 35 V max |
| Input Off-State Current | 2.3 mA min |
| No. of Outputs | 8 |
| Output Voltage Range | 20–123 VAC |
| On-State Voltage Range | 79–132 VAC |
| Output Groups | 1 group of 8 |
| Thermal Dissipation | 63.97 BTU/hr |
| Power Dissipation | 18.76 W |
| Mounting | Vertical or horizontal |
| Dimensions | 6.95 × 4.35 × 3.85 in |
| UPC | 10612598124777 |
| Lifecycle Status | Discontinued / Obsolete |
Information About 1791-24A8
The 1791-24A8 is part of the Allen-Bradley Block I/O family, a series of modular I/O solutions used in distributed and remote automation configurations. Designed for 120VAC operation, the module consolidates discrete inputs and outputs into a compact housing that mounts horizontally or vertically to fit various panel layouts. It supports Remote I/O network installations, enabling simplified wiring and centralized system integration for machine control, material handling, and process equipment. With built-in signal conditioning, external power support, and durable construction, the module offers dependable performance for legacy and replacement applications in industrial facilities.
Key Features:
- 32 total I/O points: Includes 24 AC inputs and 8 AC outputs for versatile system integration.
- 120VAC operation: Compatible with common industrial power levels and field devices.
- Remote I/O architecture: Supports distributed control and centralized PLC interfacing.
- Flexible installation: Mounts vertically or horizontally for efficient panel usage.
- Integrated signal processing: Conditions AC input and output signals for reliable control.
- Single output group: Eight outputs arranged in one group for simplified wiring.
- Wide on-state input range: Accepts 79–132 VAC with 12.3 mA on-state current.
- Rugged industrial design: Suitable for legacy replacement and long-term plant operation.
The 1791-24A8 delivers the reliability and precision required for distributed I/O applications in industrial automation and equipment control.