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What is the structural difference between modular DC circuit breakers and what is their purpose? Theoretical justification for the need for such switches. Where they are used, and where their use is not at all necessary. A series of experiments. A tour of the internal structure of the M06N-DC circuit breaker of the ARMAT series from IEK. The switches were almost not damaged during the filming of the video, but they will no longer be able to work. Video materials from the channels @Vasya_Stone8oy (many thanks for the cool fireworks), @AlexeyVeter-d2l (don't be upset, the thoughts were generally correct, but you are in vain about the marketing ploy) are used. Welcome to the M06N-DC https://www.iek.ru/products/catalog/m...