Allen-Bradley 1771-P4S/B 120V AC Power Supply Module
The Allen-Bradley 1771-P4S/B is a robust 120V AC power supply module designed to deliver reliable power to PLC-5 systems. Engineered for seamless integration, this module ensures consistent performance in industrial automation applications.
Key Features
- Input Voltage: 120V AC nominal (operating range: 97–132V AC)
- Input Frequency: 47–63 Hz
- Output Voltage: 5V DC
- Output Current: 8A
- Power Capacity: Supports multiple I/O modules
- Protection Features: Overvoltage and short-circuit protection
Compatibility
The 1771-P4S/B is compatible with Allen-Bradley 1771-A1B, -A2B, -A3B, and -A4B Universal I/O chassis. For applications requiring increased current capacity, two 1771-P4S/B modules can be connected in parallel using a 1771-CT paralleling cable.
Installation and Use
Installation is straightforward, with the module fitting into any slot of the I/O chassis, except the extreme left slot reserved for the Remote I/O Adapter Module. It is recommended to place the power supply module away from analog input modules and low voltage DC modules to minimize electrical noise interference. The front panel features a power switch and a P/S ACTIVE indicator to monitor operational status.
Specifications
- Input Voltage Range: 97–132V AC
- Input Frequency: 47–63 Hz
- Output Voltage: 5V DC
- Output Current: 8A
- Max Real Input Power: 59W
- Max Apparent Input Power: 89VA
- Module Width: 1-slot
- Fuse: 1.5A, 250V slow-blow
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% non-condensing
- Wire Size: 14 AWG max (single wire only)
- Weight: Approximately 1.85 lbs (0.84 kg)
With its durable construction and reliable performance, the Allen-Bradley 1771-P4S/B power supply module is an excellent choice for ensuring the stability and efficiency of your PLC-5 system.
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