Allen-Bradley 1771-P4S AC Power Supply Module
The Allen-Bradley 1771-P4S is a robust power supply module engineered for the PLC-5 automation platform, delivering consistent 5V DC power to the backplane of 1771 Universal I/O chassis. This ensures reliable operation of all installed modules within the system.
Key Features
- Input Voltage Range: 97–132V AC
- Nominal Input Voltage: 120V AC
- Input Frequency: 47–63 Hz
- Output Voltage: 5V DC
- Maximum Output Current: 8 Amperes
- Module Width: Single-slot design
- Built-in Protection: 1.5A, 250V slow-blow fuse
- Parallel Operation Support: Allows connection with additional power supplies to increase backplane power capacity
- Compatibility: Supports 1771-A1B, 1771-A2B, 1771-A3B, and 1771-A4B Universal I/O Chassis
Technical Specifications
| Parameter | Specification |
|---|---|
| Catalog Number | 1771-P4S |
| Module Type | Power Supply |
| Series | 1771 Product Family |
| Input Voltage Range | 97–132V AC |
| Nominal Input Voltage | 120V AC |
| Input Frequency Range | 47–63 Hz |
| Maximum Output Current | 8A |
| Output Voltage | 5V DC |
| Maximum Input Power | 59 W (real), 89 VA (apparent) |
| Backplane Output Current | 8A at 5V DC |
| Module Width | 1-slot |
| Wire Size | 14 AWG max (single wire only) |
| Built-in Fuse | 1.5A, 250V, slow-blow |
| Paralleled Support | -LSP, -LWP, -XP, -ZP, -P4S |
| Terminal Block | 5-position (Wago 231-205/000-008 included) |
| Mounting Location | 1771 Chassis, 1 Slot |
| Dimensions | 1 Chassis Slot |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Relative Humidity | 5–95%, non-condensing |
Application Benefits
The Allen-Bradley 1771-P4S ensures stable and continuous power delivery to PLC-5 systems, enhancing operational efficiency and system reliability. Its compact single-slot design facilitates easy installation, while the capability for parallel operation allows for scalable power solutions to meet varying system demands.
