Allen Bradley 1771-P4R: Industrial Power Supply Module for Reliable Automation Systems
The Allen Bradley 1771-P4R is a high-performance AC power supply module engineered for Rockwell Automation’s 1771 I/O system. This industrial-grade power solution delivers stable 120V AC input to 5V DC output conversion, ensuring uninterrupted operation for critical control applications across manufacturing, energy, and process industries.
Key Features
- High-Current Output: 5A continuous output current supports multiple I/O modules in demanding automation environments
- Thermal Protection: Built-in over-temperature shutdown safeguards against overheating in industrial settings
- Wide Operating Range: Functions reliably from -20°C to 60°C (standard model) and -40°C to 75°C (extended temp variant)
- Modular Compatibility: Designed for seamless integration with Allen Bradley 1771 chassis systems
- LED Diagnostics: Front-panel indicators for quick fault identification and system troubleshooting
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | Allen Bradley 1771-P4R |
| Input Voltage | 120V AC ±15% |
| Output Voltage | 5V DC ±5% |
| Output Current | 5A continuous |
| Dimensions | 100mm x 66mm x 110mm (3.94″ x 2.6″ x 4.33″) |
| Weight | 0.5kg (1.1 lbs) |
| Certifications | UL, CSA, CE |
Application Fields
Engineered for mission-critical automation systems in:
- Manufacturing assembly lines
- Petrochemical process control
- Power generation monitoring
- Water/wastewater treatment plants
- Metal processing facilities
- Pharmaceutical production lines
Our Product Portfolio
We specialize in premium industrial control solutions from leading global brands:
- Allen Bradley – 1756, 1784, 1789 series
- ABB – AC800PEC, PM866, 5SHY series
- Emerson – DeltaV, Ovation systems
- Schneider Electric – Modicon Quantum
- Honeywell – Experion PKS
- Woodward – 8521, 9907 series
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