... automatic transfer switch senses a loss of power and immediately starts the generator. Once utility power is restored, the transfer switch shifts ... phase three phase5GF-L5KW, little fuel tank, hand start5GF-M5KW, big fuel tank, hand start5GF-ME5KW, big fuel tank, electric ... , three phase6GF-L6KW, little fuel tank, hand start6GF-M6KW, big fuel tank, hand start6GF-ME6KW, big fuel tank, electric start6GF ...