Description
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Model Number: 1771-P4SB
- Input Voltage: 120V AC (Nominal)
- Input Voltage Range: 97V to 132V AC
- Input Frequency: 47 to 63 Hz
- Output Current: 8A @ 5V DC (Backplane Power)
- Output Power: 40 Watts
- Chassis Slot Occupancy: Single slot (Universal I/O chassis)
- Isolation Voltage: 1500V RMS between input and backplane
- Fuse Protection: 1.0A, 250V (Standard 3AG)
- Status Indicators: LED for Power On (Green)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Dimensions: Standard 1771 Single-slot module width

Allen Bradley 1771-P4SB

Allen Bradley 1771-P4SB

The ALLEN-BRADLEY 1771-P4SB is a compact, high-efficiency AC power supply module designed to mount directly within a PLC-5 Universal I/O chassis to provide regulated 5V DC power to the backplane logic. This module is ideal for smaller I/O configurations or distributed racks where a dedicated, localized power source is required to maintain system stability and provide reliable energy for communication and signal processing modules without the need for external power distribution units.
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