概述/Specification

VS1-12型永磁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，或多次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，既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。

VS1-12 series permanent magnetic indoor vacuum circuit breaker is a three-phase AC 50Hz,rated voltage of 12kV indoor switchgear,control andprotection for industrial and mining enterprise,power plants and substations,electrical facilties,and for frequent operation place.

Adopting VET operating mechanism and circuit breaker integrated,design can be used as a fixed installation unit can also be equipped with specialadvance mechanism,the composition of handcart unit used.

正常使用条件/Ambient condition

1、周围空气温度：上限+40℃,下限-15℃。

1、The ambient temperature:-15℃-+40℃;

2、海拔高度：≤1000m(若需增高海拔，则额定绝缘水平相应提高)。

2、The alitude:≤1000M;

3、振幅：地震烈度不超过8度。

3、Earthquake intensity:≤8 degree;

4、空气相对湿度日平均值不大于95%,月平均值不大于90%。

4、Relative humidity:daily average value is not greater than 95%,monthlyaverage is not greater than 90%;

5、无火灾、爆炸危险、严重污染、化学腐蚀及剧烈震动的场所。

5、The surrounding air is not corrosive and flammable gas,steam and othersignificant pollution;

产品型号含义/Model implication