New Cisco C4KX-PWR-750AC-R Front-to-Back Cooling 750W AC Power Supply Catalyst 4500-X


In stock

Brand: Cisco
Condition: New

$ 595.00

In stock

AC-Input Power Supply Features

There are two versions of the 750 W AC-input power supply, the C4KX-PWR-750AC-F power supply which has back-to-front airflow (the release lever is color-coded blue indicating cool side) and the C4KX-PWR-750AC-F power supply which has front-to-back airflow (the release lever is color-coded burgundy indicating warm side). Both power supplies provide 750 W of power.


AC-input power supplies are not included as part of the basic chassis configuration product numbers. The AC-input power supplies are ordered separately.


AC-input type

Autoranging input with power factor correction (PFC)
AC-input voltage100 to 240 VAC (115/230 VAC nominal) single-phase
AC-input current11 A @ 100 VAC (max)

6 A @ 200 VAC (max)

AC-input frequency47 to 63 Hz (50/60 Hz nominal)
Branch circuit requirementEach chassis power supply should have its own dedicated, fused-branch circuit:

For North America—15 A

For International—Circuits should be sized to local and national codes

All AC power supply inputs are fully isolated.

Source AC can be out of phase between multiple power supplies in the same chassis, which means that PS1 can be operating from phase A and PS2 can be operating from phase B.

Power supply output capacity750 W
Power supply output12 VDC @ 62 A

3.3 VDC @ 3 A

Output holdup time16 ms minimum (20 ms @ 60% load)
BTU (total output)1122 BTU/hour (nominal)

1365 BTU/hour (max)


  • This product ships Fast&Free with priority handling via industry-leading carriers (FedEx/UPS).
  • Tracking number and signature required delivery will be included with each shipment.
  • All expedited shipping options available.
  • Please contact us for a discounted rate. Offer applies to orders within the continental United States only.
  • All units will be professionally packaged and new in box products will be double boxed.


  • We perform an intensive quality control process on all our products. Units (unless sealed in the original manufacturer’s packaging) are fully tested and certified by our technicians. We run and record diagnostics on serial and operating systems, ensuring they function to the industry standard.
  • Unless the listing specifies otherwise, this product comes with a 1 Year Warranty for the original purchaser as enduser of the equipment, applicable to items sold in the United States only. All others sales are supported by a 90 day extended warranty.


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