Overview
Manuals
Power Conversion
Redundancy Integration
Commissioning Checks
Features:
- The documented product type is Power supply unit, and this value must match the supplied unit.
- The documented rated output voltage is 24 V DC, and this value must match the supplied unit.
- The documented rated output current is 2.5 A, and this value must match the supplied unit.
SD821 is an ABB power supply unit selected by its complete product identity and documented equipment role. Its verified data includes Product Type Power supply unit; Rated Output Voltage 24 V DC; Rated Output Current 2.5 A; Rated Output Power 60 W; Mains Input 115/230 V AC selectable. Correct selection depends on the installed hardware, interfaces and approved system configuration rather than appearance alone.
Before installing SD821, record the original nameplate, installed position, connected assemblies and relevant settings. Compare the supplied unit with the approved ABB documentation, isolate affected energy sources and complete controlled functional checks before returning the equipment to service.
The SD821 ABB Power Supply Unit is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB SD821 documentation and reference links.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
SD821 performs the documented power supply unit function within the Advant S800 I/O platform. Verified product data includes Product Type Power supply unit; Rated Output Voltage 24 V DC; Rated Output Current 2.5 A; Rated Output Power 60 W; Mains Input 115/230 V AC selectable; Efficiency 87% typical. These values and the complete hardware revision must match the supplied unit.
Integrate SD821 only with the approved Advant S800 I/O receiving hardware, connector or terminal arrangement and paired assemblies. Preserve all recorded settings, then verify each affected interface and diagnostic path after installation.
Before energizing SD821, inspect mounting, connector keying, wiring allocation, protective grounding and connected equipment. Review status indications and diagnostics, then complete controlled functional tests before service release.
