Why can't the circuit breaker be closed?
(1) Already in the closed position or in the uncharged state
(2) The handcart type circuit breaker failed to fully enter the working position or the test position
(3) The closing and locking device is selected, but the auxiliary power is not connected or is below the technical requirements
(4) Inaccurate secondary circuit
Why doesn't the circuit breaker store energy?
Causes of failures and analysis and treatment methods
1. If the motor burns out, professional technicians need to replace the motor.
2. The polarity of the motor is reversed, and the wiring should be correct according to the drawings.
3. Poor contact of the energy storage travel switch, replace the travel switch.
Why can't the circuit breaker go in and out in the cabinet?
Causes of failures and analysis and treatment methods
1. The circuit breaker is in the closing position, and the processing method is to open the circuit breaker.
2. The grounding switch is in the closing position, just open the grounding switch.
3. The curtain door and the curved plate are not properly matched, and need to be adjusted to the appropriate position according to the drawing.
4. The plum blossom contact does not match the static contact, and the corresponding static contact is matched according to the technical requirements.
