Energy storage opening and closing process of circuit breaker

How does a closed breaker work?

A closed Outdoor Vacuum Circuit Breaker with a charged closing spring can be operated OPEN - CLOSE - OPEN without intermediate motorized or manual spring charging. This is how a closed breaker works and it can, therefore, be used for auto re-closing duty cycle.

Why is energy storage spring important in a circuit breaker?

As a powerful component of a circuit breaker, thereliability of energy storage spring plays an important role in the drive and control the operation of a circuit breaker motion process.

How do circuit breakers open and close?

As a circuit breaker opens or closes, the fixed contact maintains its position while the movable contact moves to close (make) or open (break) the circuit. When all is said and done, contacts perform a simple function; they open and close. Circuit breakers require some type of operating mechanism to open and close the contacts.

From where is the circuit breaker closing allowed?

circuit breaker closing is only allowed with the release supplied for power supply derived on the supply side of the circuit breaker or from and independent source. The undervoltage release is supplied according to the specifications specified in the order confirmation from ABB.