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High-voltage isolating switch, load switch and circuit breaker are all high-voltage electrical equipment used to close and open circuits.

The structural characteristics and functions of the load switch: The high-voltage load switch is a high-voltage electrical appliance between the high-voltage isolating switch and the high voltage. It is similar to the circuit breaker in performance and similar to the high-voltage isolating switch in structure, with a clear disconnection point.

Working principle of high-voltage vacuum circuit breaker The application of light-controlled vacuum circuit breaker module in multi-break vacuum circuit breaker puts forward higher requirements on power supply reliability and low power consumption. For this reason, the low-power self-contained power supply module of light-controlled vacuum circuit breaker module is designed.

Most domestic low voltage electrical appliance manufacturers are small in scale and too many in number. More than 85% of them are engaged in repeated production of medium and low-end products.