EnglishA source-reviewed engineering guide to identification, electrical limits, controller compatibility, outage planning and replacement verification.
| ABBManufacturer | SA811FModule type | 3BDH000013R1Article number |
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Author
Lisa Lin
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Technical Review
Lisa Lin
Product identity and source review
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Published / Reviewed
September 09, 2026
Source checked the same day
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The ABB SA811F 3BDH000013R1 is a 115–230 V AC power supply for the Freelance AC 800F controller platform. ABB documentation identifies it for use with the PM803F controller assembly and specifies regulated 3.3 V DC and 5 V DC output rails.
Its maintenance significance goes beyond converting AC input to DC output. When the mains supply is lost for at least 5 ms, the SA811F generates a power-fail signal so the CPU can shut down operations and move connected Remote I/O outputs toward a safe state. ABB specifies enough stored energy to keep the output voltage within tolerance for at least another 15 ms, allowing a total mains interruption of about 20 ms to be managed.
| 01Identity | TypeSA811F | Article number3BDH000013R1 | PlatformPM803FFreelance V7.1 SP2a+ |
| 02AC Input | Nominal115–230 V ACSelf-adjusting | Permissible range90–260 V AC47–63 Hz · 63 VA | Input current275 / 541 mAat 230 / 115 V AC |
| 03DC Output | Regulated rails3.3 V + 5 V DC±3% regulation | Capacity35 W max.Current limit ≈ 7.5 A | ProtectionAuto recoveryOverload · short circuit |
| 10 msMains interruption begins | → | 25 msPower-fail signal generated | → | 320+ msOutput remains in tolerance |
A power supply fault can affect more than one controller function at once. The SA811F power-fail signal gives the CPU advance notice of a collapsing supply, supporting an orderly stop and a controlled restart after voltage returns. This timing is particularly important where Remote I/O states influence pumps, valves, interlocks or sequential process logic.
Repeated controller restarts should not automatically be attributed to the CPU. Maintenance teams should also verify mains quality, connector seating, SA811F status indication, rail loading and signs of thermal or electrical deterioration. Measurements and replacement work must be performed by qualified personnel under the site’s isolation procedure.
These Amikon articles provide broader examples of ABB spare-parts planning and DCS maintenance practice. They are editorial maintenance resources and do not claim a customer-specific result for SA811F.
A practical overview of prioritizing controllers, I/O, communication and power-supply spares.
Background on Freelance and AC 800F controller applications in process automation.
It is an AC-input power supply for the Freelance AC 800F platform.
ABB identifies the PM803F controller module and requires Freelance V7.1 SP2a or later.
The documented permissible range is 90–260 V AC at 47–63 Hz.
It provides regulated 3.3 V DC and 5 V DC rails with a combined maximum output of 35 W.
It alerts the CPU when input power is collapsing, supporting controlled shutdown and restart behavior.
ABB documents open-circuit, overload and sustained short-circuit protection with automatic return after a short circuit.
Send the full model and article number, quantity, controller type, software version, delivery destination and clear label photos.
For pricing, availability or compatibility support, include ABB SA811F 3BDH000013R1, quantity, PM803F details and your required delivery date.
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Lisa Lin Sales Manager |
WhatsApp +86 18965423501 |
Email sales7@amikon.cn |
Editorial note: Product names and trademarks are used for identification. Final compatibility and installation decisions must follow the current ABB documentation and site engineering requirements.
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