ABB - 100 A, 4 Pole Power Distribution Circuit Breakers is a manually controlled electrical switch designed only for circuit protection. When 4 Pole Power Distribution Circuit Breakers identify a fault, they interrupt current flow. The contacts on the 4 Pole Power Distribution Circuit Breakers must be open to interrupt the circuit after the Circuit Breakers identify the fault. The Circuit Breakers act fast using mechanically stored energy. These Power Distribution Circuit Breakers can also use a greater current to separate the contacts, such as a magnetic field or thermal expansion.
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