USFB Series SF6 Insulated Circuit Breakers

The circuit breaker consist of three pieces of independent poles which contains the fixed and moving contacts where the arc extinguishing process realizes and filled with SF6 gas by impermeability - guaranteed sealed system. Breaker mechanism works on the principle of releasing the stored energy of a spring. The mechanism can be operated motorized or manually by means of the leverage which comes with the breakers. The circuit breaker with re-closing feature offers the ability to make various mechanical and electrical interlocks by use of the switch disconnecting or load break switch.