Dual Power Automatic Transfer Switch Isolation ATS Distribution Control Device SKX2‑100A/4P Item Type: Dual Power Automatic Transfer Switch Model: SKX2-100A/4P Material: ABS, copper Shell frame grade current (Inm) 100A Rated current (In) 100 Conventional thermal current (Ith) 10、16、20、25、32、40、50、63、80、100A Rated insultion voltage of copper bar (Uj) 1000V Rated impulse withstand voltage (Uimp) 12KV Rated operating voltage of copper bar (Ue) AC400 Use category AC-33A Rated operating current of copper bar (Ie) 100A Rated making capacity 10Ie Rated breaking capacity 10Ie Rated imit short-circuit current 7KA Transferring time I-II or II-I 1.2s Rated operating vollage of the control power US AC220V（special voltage DC24V、DC110V、DC220V、AC100V、AC280V） Working Temperature: -20~45℃ (24-hour average should not exceed 35℃) Working Humidity: The average humidity at 40℃ shall not exceed 50%, and no condensation shall be allowed Altitude: Less than 2000 meters (if higher than 2000 meters, please use the product with a lower rating)