Allen-Bradley 1771-P4S PLC-5 120V AC Chassis Power Supply
Price range: $52.08 through $1,534.50
The Allen-Bradley 1771-P4S is a slot-mounted 120V AC power supply that powers the backplane of a 1771 I/O chassis. It is built for the Allen-Bradley 1771 I/O Chassis / PLC-5 system. Key ratings: 120V AC Input, 8A Output. TCI offers the 1771-P4S in New, Surplus and Used condition, ready to replace a failed unit or expand an existing system.
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Description
- Part Number: 1771-P4S
- Manufacturer: Allen-Bradley
- Type: Slot-Mounted AC Power Supply
- Series: 1771 Universal I/O (PLC-5)
- Application: 1771 Chassis Power
- Size // Rating: 120V AC Input, 8A Output
- Connection Type: 1771 Chassis Slot Mount
- Compatibility: Allen-Bradley 1771 I/O Chassis / PLC-5 System
TCI is not an authorized Allen-Bradley distributor.
Warranty Coverage
This product is backed by a TCI Supply 1 year Warranty.
Industrial Repair Services
Need your existing hardware restored? We offer professional diagnostic, refurbishment, and repair services for 1771-P4S. Contact our team for a quote.
Request Repair QuoteLifecycle & Availability Status
This component was officially designated as discontinued by the original manufacturer in March 2021. TCI Supply specializes in sourcing difficult-to-find surplus, active stock, and obsolete units to minimize plant downtime.
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Description
The Allen-Bradley 1771-P4S is a slot-mounted 120V AC power supply that powers the backplane of a 1771 I/O chassis. The power supply provides the regulated power that the controller and modules need to operate. 1771 Universal I/O is the chassis-based I/O family used with Allen-Bradley PLC-5 processors and remote I/O adapters. Although it is a legacy platform, it remains installed in many plants and depends on replacement modules to stay running. The 1771-P4S is typically used for 1771 chassis power.
Key ratings for the 1771-P4S: 120V AC Input, 8A Output. It connects through 1771 chassis slot mount and is compatible with the Allen-Bradley 1771 I/O Chassis / PLC-5 system. Because it matches the original catalog number, it can be dropped into an existing 1771 Universal I/O / PLC-5 installation as a direct replacement, or added to expand the system. TCI stocks the 1771-P4S in New, Surplus and Used condition, and each condition is priced separately. Select a condition above to see its price, or contact TCI for help confirming the right part for your application.
Frequently Asked Questions
What is the Allen-Bradley 1771-P4S used for?
The 1771-P4S is a slot-mounted 120V AC power supply that powers the backplane of a 1771 I/O chassis. It is typically used for 1771 chassis power.
What systems is the 1771-P4S compatible with?
The 1771-P4S is designed for the Allen-Bradley 1771 I/O Chassis / PLC-5 system. It connects through 1771 chassis slot mount.
What are the key specifications of the 1771-P4S?
Key ratings for the 1771-P4S: 120V AC Input, 8A Output. Always confirm the specifications against your existing hardware before installation.
What conditions is the 1771-P4S available in?
TCI offers the 1771-P4S in New, Surplus and Used condition. Each condition is priced separately; choose one from the Condition menu to see its price.
Is TCI an authorized Allen-Bradley distributor?
No. TCI is not an authorized Allen-Bradley distributor. TCI supplies the 1771-P4S as an independent source of new, surplus and used automation parts.
