XL-21 simba rekugovera bhokisi chinhu chemukati, chakakodzera zvirimwa zvemagetsi uye maindasitiri nemaindasitiri emigodhi, AC frequency 50Hz, AC voltage 380V, matatu-phase matatu-waya, matatu-phase mana-waya simba system. Inoshandiswa kune simba uye kugovera mwenje uye kutonga, uye inogona zvakare kushandiswa kune dzimwe nguva dzinosangana nemutoro wekuita kwebhokisi rekugovera simba, senge: indoor komputa makamuri, mafekitori, magetsi emudhorobha, indasitiri yekuvaka.