Products Description
ABB PFSA140 3BSE006503R1 Dual Bus Power Supply Module in stock
ABB PFSA140 (3BSE006503R1) is a 140W dual-bus redundant power supply module for ABB AC800M / System 800xA DCS platform. It accepts two independent power inputs and provides regulated DC power for controller and S800 I/O racks, supporting seamless automatic failover between power sources.
This module adopts hot-swap design, allowing online replacement without system shutdown. It integrates comprehensive fault diagnosis and multi-layer protection functions. It is end-of-life, supplied as surplus or refurbished spare parts for legacy 800xA DCS system maintenance.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | PFSA140, Part No:3BSE006503R1 |
| 3 | Module Type | Dual Bus Redundant Power Supply Module |
| 4 | Rated Power | 140W |
| 5 | Feature | Dual independent power input, automatic failover |
| 6 | Function | Overvoltage, overcurrent, over-temperature protection |
| 7 | Operating Temperature | 0℃ ~ +60℃ |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Convert input power into stable DC power for AC800M controller and S800 I/O modules |
| 2 | Dual bus input design, automatic power source switch to avoid single power failure |
| 3 | Built-in hardware protection against overvoltage, overcurrent and overheating faults |
| 4 | Hot-swap support for online replacement without shutting down DCS control system |
| 5 | Real-time module health monitoring and fault alarm for system diagnosis |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Power plant boiler and turbine 800xA DCS control system |
| 2 | Petrochemical and oil & gas continuous process automation control cabinet |
| 3 | Pulp & paper, metallurgy critical process control rack power subsystem |
| 4 | Legacy ABB System 800xA DCS spare replacement and overhaul project |
| 5 | Industrial redundant control system uninterruptible power supply unit |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is ABB PFSA140 3BSE006503R1? A:It is a 140W dual-bus redundant power supply for ABB System 800xA / AC800M DCS. It supplies stable DC power to controllers and I/O modules, with automatic failover of dual power sources to enhance system power reliability. |
| 2 | Q:What advantage does dual bus power supply bring? A:Two independent power sources feed the module. If one power path fails, the module automatically switches to the other source without interruption, eliminating single point of power failure for critical process control. |
| 3 | Q:Is ABB PFSA140 3BSE006503R1 still in production? A:This power supply module has been discontinued by ABB. Available stock is new surplus or refurbished spare parts for maintenance and replacement of existing 800xA DCS systems. |
