National Average Cost $1,475
--------------------- ----------------
Maximum Cost $4,000
Average Range $1,287 to $1,707
Is there a 250 amp breaker?
Circuit Breaker is 250 amp and can act as a master disconnect for circuits. The high amperage Type III circuit breaker is splash and dust proof.
Is there a 300 amp service?
Not many utility companies will do 300A services, some like Phoenix will allow a 320A service, but MOST will do a MINIMUM 400A 3-phase service. ... You should either call your utility company and ask for the high peak demand OR have a load study done on your existing service to determine if upsizing is really needed.