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WS-CAC-4000W-INT — Power Supply Datasheet

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CISCO · POWER_SUPPLY · HOTPLUG_PSU
WHAT YOU NEED TO KNOW
Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW

Cisco 4000 Watt Redundant AC Power Supply. Key specifications include Type: Internal AC, Form Factor: Integrated module, Power Rating: 4000W, Input Voltage: 100-240V AC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-565-6979, 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
POWER_SUPPLY→ HOTPLUG_PSU→ WS-CAC-4000W-INT
NSN: 6130-01-565-6979
FSC: 6130
CAGE: ACA01 — ATINET S.R.L. (ITA)
SPECIFICATIONS
TypeInternal AC
Form FactorIntegrated module
Power Rating4000W
Input Voltage100-240V AC
NSN6130-01-565-6979
COMPONENT DIAGRAM
PULL TAB AIRFLOW 4000W PLATINUM 100-240V~ 50/60Hz CISCO BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | 4000W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU 4000W PN WS-CAC-4000W-INT MFR CISCO Platinum
KEY FEATURES
•
4000W Power Rating
•
OUTPUT WATTAGE RATING: 4000.0 WATTS NOMINAL SINGLE POWER OUTPUT
•
INPUT VOLTAGE RATING: 110.0 AC VOLTS MINIMUM AND 220.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
•
INSTALLATION DESIGN: CASE
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 (FLIS)
SPECIAL FEATURESINTERNAL POWER SUPPLY
PART NAME ASSIGNED BY CONTROLLING AGENCYCISCO 4000W AC POWER SUPPLY W
OUTPUT WATTAGE RATING4000.0 WATTS NOMINAL SINGLE POWER OUTPUT
INPUT VOLTAGE RATING110.0 AC VOLTS MINIMUM AND 220.0 AC VOLTS MAXIMUM SINGLE OPERATING POWER RQMT
INSTALLATION DESIGNCASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
40051496Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
RELATED PARTS 6
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PWR-C1-715WAC
Cisco 715W AC Power Supply
PWR-C45-1000AC
CISCO 4500 1000W AC Power Supply
PWR-4450-AC
Cisco AC Power Supply for ISR 4450 and ISR4350
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FREQUENTLY ASKED QUESTIONS
What is WS-CAC-4000W-INT?
WS-CAC-4000W-INT is a Cisco 4000 Watt Redundant AC Power Supply manufactured by CISCO. It is classified as a POWER_SUPPLY (HOTPLUG_PSU).
What parts can replace WS-CAC-4000W-INT?
There is 1 known substitute for WS-CAC-4000W-INT: 40051496. Substitute compatibility should be verified for your specific system.
What is the NSN for WS-CAC-4000W-INT?
WS-CAC-4000W-INT is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-565-6979. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: August 2026