Humans have a long history of using lifting tools to transport goods and people. Mr. Otis’ invention completely changed the history of human use of lifting tools.
Electrical components are roughly divided into control panels, electrical switches of various safety circuits, etc. It is the brain of the elevator and the central nervous system of the elevator. The start, operation and door opening of the elevator are all dominated by it. Therefore, elevators have very high requirements for the safety, reliability and stability of electrical components.
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