VS1-12E solid-sealed pole-type indoor high-voltage vacuum circuit breaker is an indoor switchgear for a three-phase AC 50Hz power system with a rated voltage of 12kV. It is used as a protection and control unit for power grid equipment and power equipment in industrial and mining enterprises.
VS1 -40.5 indoor high-voltage vacuum circuit breaker is suitable for indoor switchgear with three-phase AC 50Hz rated voltage of 35kV power system, as the protection and control unit of power grid equipment and power equipment of industrial and mining enterprises. It is suitable for frequent operation under rated working current, or places where short-circuit current is interrupted many times.
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