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  • Internal accessories 1. Auxiliary contact: The contact mechanically linked with the main circuit opening and closing mechanism of the circuit breaker. It is mainly used to display the opening and closing status of the circuit breaker. It is connected to the control circuit of the circuit breaker thro...
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  • The opening and closing of the circuit breaker when the power is turned off and the power transmission and closing have very strict operating system and specification requirements. It is a part of the safe operation and management of electricians and is very important. Strict inspections are required...
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  • The high-voltage circuit breaker is one of the most important equipment in the power system. It is used to switch on and off the circuit under normal conditions and can quickly break the fault current in the event of a fault. include: Cut off or close the no-load current of the high-voltage line; Cut...
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  • The high-voltage circuit breaker (or high-voltage switch) can not only cut off or close the no-load current and load current in the high-voltage circuit, but also cut off the overload current and short-circuit current through the function of the relay protection device when the system fails. The perf...
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  • At present, circuit breakers have very little maintenance during normal use, especially SF6 circuit breakers, vacuum circuit breakers, etc., which are basically maintenance-free, and the body and hydraulic mechanism are not disassembled. However, the site still needs regular maintenance in accordance...
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