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PB2881A — POWER SUPPLY

✓ Government record, cited
— · PSU
PRODUCT OVERVIEW

PB2881A: POWER SUPPLY.

The POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. This part is cataloged in the U.S. Government catalog under NSN 6130-01-044-9032, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PB2881A
NSN: 6130-01-044-9032
FSC: 6130 — Converters, Electrical, Nonrotating
CAGE: 33604 — EXCELITAS TECHNOLOGIES CORP (USA)
SPECIFICATIONS
NSN6130-01-044-9032
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN PB2881A MFR OEM Platinum
KEY FEATURES
•
OUTPUT VOLTAGE RATING: 22.5 DC VOLTS MINIMUM AND 45.0 DC VOLTS MAXIMUM SINGLE POWER OUTPUT
•
VENTILATION DESIGN TYPE: CONVECTION
•
INPUT VOLTAGE RATING: 130.0 DC VOLTS MINIMUM AND 170.0 DC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
•
FEATURES PROVIDED: FILTER
•
INPUT CONNECTION TYPE: SOLDER LUG SINGLE OPERATING POWER RQMT
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.437 INCHES NOMINAL IN
OUTPUT VOLTAGE RATING22.5 DC VOLTS MINIMUM AND 45.0 DC VOLTS MAXIMUM SINGLE POWER OUTPUT
VENTILATION DESIGN TYPECONVECTION
OVERALL LENGTH3.562 INCHES NOMINAL IN
OVERALL WIDTH3.062 INCHES NOMINAL IN
INPUT VOLTAGE RATING130.0 DC VOLTS MINIMUM AND 170.0 DC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
FEATURES PROVIDEDFILTER
INPUT CONNECTION TYPESOLDER LUG SINGLE OPERATING POWER RQMT
MAXIMUM OPERATING ALTITUDE RATING50000.0 FEET FT
INPUT CONNECTION QUANTITY2 SINGLE OPERATING POWER RQMT
OTHER ITEMS IN FSC 6130 — Converters, Electrical, Nonrotating
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6130-00-000-0118 6130-00-001-1368 6130-00-001-1574 6130-00-001-1577 6130-00-001-1619 6130-00-001-1709 6130-00-001-1715 6130-00-001-1783
SUBSTITUTES & CROSS-REFERENCES 1
7423384-10Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PB2881A?
PB2881A is a POWER SUPPLY.
What parts can replace PB2881A?
There is 1 known substitute for PB2881A: 7423384-10. Substitute compatibility should be verified for your specific system.
What is the NSN for PB2881A?
PB2881A is cataloged in the U.S. Government catalog under NSN 6130-01-044-9032. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.