This is a 1300-Watt AC Power Supply manufactured by Cisco, intended for use with the Cisco Catalyst 4500E series network switches. It is referenced by the part number 341-0038-06.
Systems Maintenance Techs
Mid-Lifecycle Capacity Expansion
"As a genuine Cisco component, the 341-0038-06 ensures 100% compatibility for Mid-Lifecycle Capacity Expansion. It is an essential part for Systems Maintenance Techs tasked with hardware lifecycle maintenance."