低压隔离器的选择及使用

配电系统中为了确保维护测试和检修人员的安全应有明显的断开装置。低压隔离器是显示是否处于断开位置的有效装置。在特殊情况下由于用途不同，形式不同，有的隔离器虽已断开，却无法明显看到，只能靠操作器的断开指示器来表示，因此必需确保其可靠性。我国隔离器生产品种较多，本文介绍其常用产品情况，并推荐选用产品型号与验证要求可供读者参考。

Selection and Use of LV Isolators

To ensure maintenance in the distribution system, an evident breaking device should be set for the safety of testing and repair personnel. The LV isolators are the effective devices that can display whether it is located in the breaking. Under some special conditions , due to a different usage and type , some isolators can't evidently be seen , though already breaking, and can only be shown with a breaking indicator of the operating device. Therefore, it is necessary to ensure its reliability. Our country produces a wide range of isolators. This paper presents the most commonly-used products and recommends the type of product and proof requirements for reader reference.