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1771-OA | Allen-Bradley 8-channel 120VAC discrete output module for PLC-5 systems
- Regular price
- $219.00
- Sale price
- $219.00
- Regular price
-
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Product Description P/N: 1771-OA
Description
The Allen-Bradley 1771-OA is an AC output module designed for PLC-5 systems, providing eight discrete 120 VAC output channels for industrial control applications. Each channel delivers up to 1.5 A, with a maximum module current of 6 A, ensuring dependable actuation of AC-driven loads. The module installs into any 1771 I/O chassis and uses the 1771-WA field wiring arm for streamlined wiring and service access.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1771-OA |
| Subcategory | AC Output Module |
| Number of Outputs | 8 discrete outputs |
| Output Voltage Range | 92–138 VAC, 47–63 Hz |
| Voltage Category | 120 VAC |
| Output Current per Channel | 1.5 A continuous |
| Maximum Module Current | 6 A |
| Surge Current Rating | 4 A for 8.3 ms |
| Backplane Current Draw | 210 mA at 5 VDC |
| Power Dissipation | 1.1–10.7 W |
| Thermal Dissipation | 3.4–36.6 BTU/hr |
| Signal Delay (AC Off) | 45 ± 15 ms |
| Wiring Arm | 1771-WA (screw torque 7–9 in-lb) |
| Keying Positions | Between 4–6 and 12–14 |
| Mounting | Rack mountable in 1771 chassis |
| Series | 1771 Product Bulletin |
Information About 1771-OA
The 1771-OA is an AC output module in the 1771 I/O product family, engineered to support PLC-5 automation platforms. Its design includes eight discrete outputs with a voltage operating range of 92–138 VAC at 47–63 Hz. Built for compatibility with the 1771 backplane, the module draws 210 mA at 5 VDC and occupies a single chassis slot for compact installation.
It integrates seamlessly into legacy Allen-Bradley systems and supports a wide range of AC loads such as indicator lamps, solenoids, alarms, and motor starters. The module features onboard fusing and output status indicators to assist with diagnostics and system monitoring. Additionally, keying positions between 4–6 and 12–14 help prevent incorrect installation in the I/O chassis.
Key Features:
- Eight 120 VAC outputs: Supports diverse AC loads in PLC-5 applications.
- Per-channel current capacity: 1.5 A continuous, suitable for solenoids, relays, and alarms.
- Single-slot chassis design: Fits any 1771 I/O chassis for easy system expansion.
- Compatible wiring arm: Uses the 1771-WA field wiring arm for clean, organized wiring.
- Integrated output indicators: Visual status LEDs simplify troubleshooting and monitoring.
- Fused output protection: Includes onboard fuses for reliable safeguarding of circuits.
- Rugged industrial operation: Designed for continuous use in demanding AC control environments.
The 1771-OA delivers the reliability and performance required for AC output control within PLC-5 automation systems.
Description
The Allen-Bradley 1771-OA is an AC output module designed for PLC-5 systems, providing eight discrete 120 VAC output channels for industrial control applications. Each channel delivers up to 1.5 A, with a maximum module current of 6 A, ensuring dependable actuation of AC-driven loads. The module installs into any 1771 I/O chassis and uses the 1771-WA field wiring arm for streamlined wiring and service access.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1771-OA |
| Subcategory | AC Output Module |
| Number of Outputs | 8 discrete outputs |
| Output Voltage Range | 92–138 VAC, 47–63 Hz |
| Voltage Category | 120 VAC |
| Output Current per Channel | 1.5 A continuous |
| Maximum Module Current | 6 A |
| Surge Current Rating | 4 A for 8.3 ms |
| Backplane Current Draw | 210 mA at 5 VDC |
| Power Dissipation | 1.1–10.7 W |
| Thermal Dissipation | 3.4–36.6 BTU/hr |
| Signal Delay (AC Off) | 45 ± 15 ms |
| Wiring Arm | 1771-WA (screw torque 7–9 in-lb) |
| Keying Positions | Between 4–6 and 12–14 |
| Mounting | Rack mountable in 1771 chassis |
| Series | 1771 Product Bulletin |
Information About 1771-OA
The 1771-OA is an AC output module in the 1771 I/O product family, engineered to support PLC-5 automation platforms. Its design includes eight discrete outputs with a voltage operating range of 92–138 VAC at 47–63 Hz. Built for compatibility with the 1771 backplane, the module draws 210 mA at 5 VDC and occupies a single chassis slot for compact installation.
It integrates seamlessly into legacy Allen-Bradley systems and supports a wide range of AC loads such as indicator lamps, solenoids, alarms, and motor starters. The module features onboard fusing and output status indicators to assist with diagnostics and system monitoring. Additionally, keying positions between 4–6 and 12–14 help prevent incorrect installation in the I/O chassis.
Key Features:
- Eight 120 VAC outputs: Supports diverse AC loads in PLC-5 applications.
- Per-channel current capacity: 1.5 A continuous, suitable for solenoids, relays, and alarms.
- Single-slot chassis design: Fits any 1771 I/O chassis for easy system expansion.
- Compatible wiring arm: Uses the 1771-WA field wiring arm for clean, organized wiring.
- Integrated output indicators: Visual status LEDs simplify troubleshooting and monitoring.
- Fused output protection: Includes onboard fuses for reliable safeguarding of circuits.
- Rugged industrial operation: Designed for continuous use in demanding AC control environments.
The 1771-OA delivers the reliability and performance required for AC output control within PLC-5 automation systems.