The total current of the battery pack is 1000A, and 3 sets of batteries are configured. The most economical configuration of the cable from the UPS to the main switch box is?

Using UPS5000-E (50kVA power module), the actual load is 160kW, the rack is 1+1 redundant, the single-machine backup power scheme is adopted, the backup power scheme for each machine, 3 sets of batteries per rack, 40 cells per set, the capacity of the main switch box is:

Regarding the overload capacity of UPS5000-E, which of the following statements is correct? (Multiple choice)

The reason why the fan does not turn when the NETCOL5000C device is turned on may be ().

The FusionModule800 does not need to be charged with refrigerant on site within 30m of the connecting pipe.