This depends on the unit. The tonnage just refers to cooling ability. A ton is equal to 12000 BTUs, not a weight of the unit, the coolant, etc.
How much a 4 ton ac ruud condenser weigh
48000 btu
threethousand sq feet
1.8 units per hour
5 ton.
Whatever the manufacture of the unit recommends. Normally it would be 60 amps.
A lot more then 4 ton but not as much as 6 ton 1 ton for every 600sqft so it will easily take care of 3000sqft
2.5 ton a/c unit
3-Ton
Yes.
4.5 units