FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, in particular to devices for sectioning and redundancy of power lines, and is intended for switching, protecting the electrical network and equipment of a multicontact switching system from emergency modes of operation and switching and atmospheric overvoltages, electricity metering, power quality control, quantity and time control disconnection of voltage in distribution electric networks of three-phase current. The effect is achieved due to the fact that the multi-contact switching system with four outputs has independent control of three power contact groups and contains one input and three output switching elements of manual control, four switching elements of remote control, four control units of switching elements of remote control, a receiving unit and data transmission, multi-contact switching system control unit, uninterruptible power supply unit, four surge suppressors.
EFFECT: increasing reliability of the multicontact switching system, reducing the undersupply of electricity to consumers and increasing reliability and efficiency of consumer power supply systems.
1 cl, 1 dwg
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