Description
ABB SD802F 3BDH000012R1 | AC 800F 24 VDC Power Supply
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SD802F |
| Product ID | 3BDH000012R1 |
| Product Type | Power Supply |
| System | ABB AC 800F / Freelance |
| Input Voltage | 24 VDC |
| Output Rails | 5 VDC / 3.3 VDC |
| Mounting | AC 800F FieldController module slot |
| Primary Function | Internal controller/module power |
| Application | PM802F-era AC 800F architecture |
ABB’s own spare-parts documentation identifies SD802F as “Power Supply, 24Vdc” with article number 3BDH000012R1. The same ABB document lists AM811F, PM783F, FI810F and other AC 800F hardware in the same Freelance family.
Electrical Data
The AC 800F documentation distinguishes the earlier SD802F supply from the later SD812F architecture. For the newer SD812F, ABB specifies dual 24 VDC inputs and internal 5 VDC/3.3 VDC rails, while the SD802F should not be assigned those SD812F-specific electrical ratings without confirmation from the applicable hardware revision.
This distinction matters because several current listings incorrectly copy SD812F specifications onto SD802F, including input ranges and output-current figures. Those numbers should not be treated as specifications unless confirmed against the exact ABB manual revision.
Product Introduction
ABB 24 VDC Power Supply
The ABB 3BDH000012R1 is a power-supply module used within the AC 800F FieldController architecture of ABB Freelance systems. Its job is internal power conversion for the controller’s electronic modules, rather than providing a general-purpose 24 VDC field power output. ABB’s spare-parts catalog explicitly classifies it as a 24 VDC power supply.
For maintenance work, the key issue is distinguishing from SD812F. ABB documents SD812F as the power supply to be used with PM 803F, while belongs to the earlier AC 800F hardware arrangement.
SD802F
Application Scenarios & Field Pitfalls — Engineer’s Perspective
Engineering Pain Point
A failed can appear to be a controller or CPU failure because loss of its internal supply affects multiple AC 800F modules at once. Before condemning the PM module, check the power-supply status, incoming 24 VDC, module connections, and the condition of the associated FieldController hardware.
Typical Applications
- AC 800F FieldController cabinets — Internal supply for the controller module assembly.
- ABB Freelance DCS systems — Used in the earlier AC 800F hardware generation.
- PM802F-based installations — Particularly relevant when maintaining legacy PM802F configurations.
- Shutdown spare inventory — Appropriate as a dedicated AC 800F power-supply spare rather than a generic 24 VDC supply.
Technical Pitfalls to Avoid
- Do not confuse with .
is the later power supply specified by ABB for PM803F configurations. The two should not be approved as interchangeable simply because both are identified as AC 800F 24 VDC power supplies. - Do not use generic power-supply ratings from reseller pages.
Some current listings describe as a 2 A/48 W supply with 85–264 VAC input, while others call it a 31 W supply. These specifications are inconsistent and should not override ABB documentation for the exact revision. - Check the complete part number.
The correct procurement reference is / 3BDH000012R1. Confirm the nameplate before replacing a failed unit. - Verify the controller generation.
If the cabinet contains PM803F or later AC 800F hardware, investigate the configuration rather than assuming is a drop-in replacement. - Check the upstream 24 VDC supply first.
A missing or unstable external 24 VDC source can produce symptoms that look like a failed . Measure the incoming supply under load before replacing the module.
Related Products
- — Later AC 800F 24 VDC power supply specified for PM803F.
- ABB SA801F — 115/230 VAC power supply for the earlier AC 800F architecture.
- ABB SA811F — Later 115/230 VAC AC 800F power supply.
- ABB PM802F — Earlier AC 800F basic unit associated with the generation.
- ABB PM803F — Later AC 800F basic unit associated with .
- ABB AM801F — Battery module for the PM802F configuration.
- ABB AM811F — Battery module used in later PM802F/PM803F configurations.
- ABB EI802F — AUI Ethernet module for the earlier AC 800F architecture.
- ABB EI803F — 10BaseT Ethernet module for AC 800F.
- ABB FI810F — CAN fieldbus module used with AC 800F.
Procurement Check
For an replacement, verify:
+ 3BDH000012R1 + AC 800F generation + /PM803F controller + existing power architecture.
The most important point is that is an internal AC 800F power-supply module, not a general-purpose 24 VDC field power supply. Also, don’t approve the commonly quoted 85–264 VAC / 2 A specifications without checking the exact unit; those figures are not sufficiently supported for this specific ABB part.
