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S1-12 型户内高压真空断路器，系三相交流50Hz 额定电压为12kV 电力系统的户内开关设备，作为电网设备、工矿企业动力设备 的保护和控制单元。
适用于要求在额定工作电流下的频繁操作，或多交开断短路电流的场所。该断路器采用操动机构与断路器本体一体式设计，即可做为固定安装单元，也可配有专用推进机构，组成手车单元作用。
VS1-12 indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz rated voltage 12kV indoor switch equipment of power system. It is used as the protection and control unitof power grid equipment and power equipment of industrial and mining enterprises.It is suitable for frequent operation under rated operating current or for short circuit current.
The circuit breaker adopts the integral design of the actuating mechanism and the breaker body, which can be used as a fixed installation unit or a special propulsion mechanism to forma handcart unit.
