Loop sectionalizing system

Claim 1

A LOOP SECTIONALIZING ARRANGEMENT COMPRISING AT LEAST A FIRST AND A SECOND GROUP OF SERIALLY CONNECTED CIRCUIT BREAKERS; A NORMALLY OPEN CIRCUIT INTERRUPTER HAVING MEANS FOR SERIALLY CONNECTING SAID GROUPS WHEN CLOSED; EACH OF SAID CIRCUIT BREAKERS HAVING FIRST AND SECOND TRIPPING MEANS, SAID FIRST TRIPPING MEANS HAVING A NORMAL TRIPPING CHARACTERISTIC AND SAID SECOND TRIPPING MEANS HAVING AN ALTERNATE TRIPPING CHARACTERISTIC; SAID NORMAL TRIPPING CHARACTERISTICS OF THOSE CIRCUIT BREAKERS OF EACH GROUP LOCATED CLOSER TO SAID CIRCUIT INTERRUPTER HAVING SHORTER TRIPPING TIMES THAN THOSE CIRCUIT BREAKERS WITHIN THE SAME GROUP LOCATED MORE REMOTE FROM SAID CIRCUIT INTERRUPTER; SAID CIRCUIT INTERRUPTER INCLUDING FURTHER MEANS FOR THE AUTOMATIC CLOSING THEREOF UPON A LOSS OF VOLTAGE IN SAID ARRANGEMENTS DUE TO THE TRIPPING OF ONE OF SAID CIRCUIT BREAKERS; AND MEANS ASSOCIATED WITH EACH CIRCUIT BREAKER BEING RESPONSIVE TO PREDETERMINED CIRCUIT CONDITIONS OF SAID ARRANGEMENT FOR SHIFTING FOR OPERATION TO THEIR ALTERNATE TRIPPING TIME CHARACTERISTICS, THOSE OF SAID CIRCUIT BREAKERS LOCATED BETWEEN SAID TRIPPED ONE OF SAID CIRCUIT BREAKERS AND SAID CIRCUIT INTERRUPTER, SAID CIRCUIT INTERRUPTER HAVING A TRIPPING CHARACTERISTIC SUCH THAT THE TRIPPING TIME OF SAID CIRCUIT INTERRUPTER IS SHORTER THAN THE NORMAL TRIPPING TIMES AND LONGER THAN THE ALTERNATE TRIPPING TIMES OF SAID CIRCUIT BREAKERS, SAID ALTERNATE TRIPPING CHARACTERISTICS BEING SUCH THAT WITHIN EACH OF SAID GROUPS THE ALTERNATE TRIPPING TIMES OF THOSE CIRCUIT BREAKERS CLOSER TO SAID CIRCUIT INTERRUPTER ARE LONGER THAN THE ALTERNATE TRIPPING TIMES OF THOSE CIRCUIT BREAKERS LOCATED MORE REMOTE FROM SAID CIRCUIT INTERRUPTER.