Your search for "nc55-pwr-3kw-dc" revealed the following:
NEW Cisco NC55-PWR-3KW-DC NCS 5500 Series 3000W DC Router Power Supply
SKU: NSN-6549
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 469.99
• 7 in stock
Call if you need more
Cisco NC55-PWR-3KW-DC NCS 5500 Series 3000W DC Router Power Supply
SKU: NSH-0372
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 459.99
• 7 in stock
Call if you need more