Based on this product's specifications, here are some alternatives and similar models
Powercord ACT C20–C21 IEC60320 red 2.5 m, 16 A 250 V
Summary description:
ACT Powercord with IEC60320 C20 to C21 connectors in red, 2.5 m long. Rated for 16 A and 250 V, this mains cable connects compatible power supplies and equipment using C20 inlet and C21 device coupler. Suitable for servers, UPS units and professional IT equipment requiring a high-current IEC connection.