Patent ID: 7531919

Claim:
A loadcenter for a first power source having a first status, a second power source having a second status, a third power source having a third status, a battery having a fourth status, a non-critical load, a critical load, and an ultra-critical load, said loadcenter comprising: a first distribution panel having a first circuit breaker to selectively receive power from the first power source; a second distribution panel having a second circuit breaker to selectively receive power from the second power source; a third distribution panel; a third circuit breaker to selectively supply power from the third power source to the first distribution panel; a fourth circuit breaker to selectively supply power from the first distribution panel to the non-critical load; a fifth circuit breaker to selectively supply power from the second distribution panel to the critical load; a sixth circuit breaker to selectively supply power from the third distribution panel to the ultra-critical load; a circuit isolator to selectively supply power from the first distribution panel to the second distribution panel; an uninterruptible power supply circuit structured to selectively receive power from one of the battery and the second distribution panel and to supply power to the third distribution panel; and a controller structured to monitor at least the second status and the third status, and in response to the second power source being unacceptable and the third power source being unacceptable, being further structured to: open the third circuit breaker; open the second circuit breaker; close the circuit isolator; and close the first circuit breaker.