Nader Circuit Breaker

Actuator is driven by high voltage circuit breaker drive mechanism for closing and opening mechanism. Actuator should meet the following basic requirements: 1) should have sufficient operating power. 2) rapid action is required. 3) An operating mechanism is reliable, simple structure, small size, lig...

After vacuum circuit breaker after long-term use, once one of the following happens, it shows a vacuum interrupter may have been the end of its life, consider replacing. (1) of storage or use of a vacuum interrupter of the product exceeds the predetermined period (from the date of the factory vacuum ...

It refers to household purposes: to protect civil lighting distribution system or circuit breaker. The capacity of lighting circuits are generally not large, usually used as a molded case circuit breaker protection means mainly used to control lighting circuits under normal conditions and breaking, a...

Selection of a vacuum circuit breaker, generally the following aspects should be considered: (1) place frequent operation. Should be preferred vacuum circuit breaker for switching a capacitor bank, control the high voltage of the motor, the control and protection of electric transformers, electric tr...

I would grade trip summarizes the analysis of the causes of the following reasons for your reference study. The first case: the main switching points less than the sum of the load switch. Second case: the main switch has no sub-switch leakage protection device, with the electrical leakage when the ma...