Description
Product Description
The ABB Bailey IPFLD125 is a field power conditioning and distribution module designed for use within ABB Infi-90 and Net-90 distributed control systems. Its primary role is to regulate and filter incoming electrical power before supplying it to system racks, ensuring stable voltage levels and minimizing electrical noise that could affect sensitive control electronics.
Engineered for legacy DCS infrastructures, the IPFLD125 supports both AC and DC input sources, allowing it to operate in diverse industrial power environments. The module integrates filtering, regulation, and load-sharing capabilities, making it a critical component for maintaining consistent system performance and uptime.
It is commonly deployed in applications where reliable power delivery is essential for continuous process control, particularly in aging but still operational ABB Bailey systems.
Technical Specifications
| Parameter |
Description |
| Product Type |
Field Power Supply / Power Filter Module |
| Model |
IPFLD125 |
| System Compatibility |
ABB Bailey Infi-90, Net-90 |
| Alternate Part Numbers |
YIPFLD125, RIPFLD125, PIPFLD125 |
| Input Voltage (AC) |
120 VAC (4 A), 240 VAC (2 A), 50/60 Hz |
| Input Voltage (DC) |
125 VDC (4 A) |
| Extended Input Range |
Approx. 102–264 VAC or 102–144 VDC |
| Heat Dissipation |
Up to 190 W |
| Line Regulation |
±0.5% of nominal output |
| Load Regulation |
Stable from 0% to 100% load |
| Load Sharing |
Current balancing within ±5% at full load |
| Hold-Up Time |
≥20 ms after power interruption |
| Mounting |
Rack-mounted (Infi-90 system chassis) |
| Dimensions |
152 × 51 × 330 mm (variant-dependent) |
| Weight |
2.6 kg |
Operational Characteristics
-
Provides filtered and stabilized power to DCS modules
-
Supports both AC and DC supply inputs for flexible deployment
-
Integrated regulation maintains consistent output under varying load conditions
-
Load-sharing capability ensures balanced current distribution across modules
-
Designed to reduce electrical noise and improve system reliability
-
Suitable for continuous operation in industrial control cabinets
Application Areas
-
Power distribution within ABB Infi-90 / Net-90 control racks
-
Turbine and boiler control systems in power plants
-
Refinery and petrochemical process automation
-
Heavy industrial environments requiring stable DC/AC supply conditioning
-
Replacement or refurbishment of legacy ABB Bailey installations
FAQ
Is the IPFLD125 still in production?
No. It has been discontinued by the manufacturer but remains available as refurbished or surplus stock for legacy system support.
Can this module accept both AC and DC input simultaneously?
No. It is designed to operate with either AC or DC input, depending on system configuration.
Why is power filtering important in DCS systems?
Filtering reduces electrical noise and voltage fluctuations, which helps prevent communication errors and improves overall system stability.
Are there interchangeable versions of this module?
Yes. Variants such as YIPFLD125, RIPFLD125, and PIPFLD125 are functionally similar but may differ slightly in revision or sourcing.
