Your search for "c6800-xl-3kw" revealed the following:
Cisco C6800-XL-3KW-AC Catalyst 6807-XL 3000W AC Switch Power Supply
SKU: NSB-0517
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 184.99
• Only 1 remaining
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NEW Cisco C6800-XL-3KW-AC Catalyst 6807-XL 3000W AC Switch Power Supply
SKU: NSN-8732
Condition: New
Shipping: Overnight Options
Warranty: 365 days