GW8-72.5/630A，GW8-126/630A中性点隔离开关，可以配放电间隙，避雷器，支柱，互感器等等。

   GW8-72.5/630A、GW8-126/630A，GW8系列中性点隔离开关，GW8-40.5、GW8-72.5、GW8-126W、GW8-35、GW8-63、GW8-110型中性点隔离开关系单相交流50Hz高压开关设备，额定电流：630A、1250A。所配用的操作机构为:CS8-5型手动操动机构或CX6型电动机操动机构；CS17-G型手动操动机构或CJ2、CJ5、CJ6、CJ12型电动机操动机构。

     GW8-126中性点、GW8-72.5电动隔离开关。

GW8型中性点隔离开关是交流50H的户外装置，供在无载荷情况下，分合变压器中性点联线之用。

GW8 type neutral point disconnecting switch is outdoor high-voltage equipment with 50Hz frequency. It is used for making and breaking the link of transformer’s neutral point under the condition without load. It is suitable for AC power-frequency network.

本产品分为普通型和防污型两种

This product pides into two kinds such as the ordinary type and the anti-pollution type.

本产品配用的手动操作机构为CS8-5G型，电动操作机构为CX-6型。

According to user’s demand，it can use cooperatively the CS8-5G type manual operation mechanism or the CX-6 type electro-control mechanism

1.2 使用条件环境  Application Ambient Condition

a 海拔不超过1000m;

Altitude height is not more than1000m.

  b 周围空气温度：上限+40度，下限-40度;

Environment temperature is from-40℃to +40℃.

  c 风压不超过700Pa;

    Wind pressure is not more than700Pa.

  d 地震烈度不超过8度；

 Earthquake intensity is not more than 8 grades.

  e 覆冰厚度不大于10mm;

    The thickness of ice is less than 10mm.

  f 支柱绝缘子污秽等级：普通型为0级。

 Insulator’s pollution level: Normal class is 0.

2 、主要技术参数

  Technical Data

GW8-126中性点、GW8-72.5电动隔离开关，主要技术参数见下表：
Main technical data as follows:

3、 原理与结构

Principle and Structure

GW8-126中性点、GW8-72.5电动隔离开关（外形见图1）由底座，支柱绝缘子和导电部分组成，在绝缘支柱的上方装有静触头和联接母线的接线板，在支柱绝缘子和绝缘支柱之间有底座、动触头、操作拐臂、操作绝缘子，操作机构通过连杆、操作绝缘子、操作拐臂与动触头相连。

GW8 type neutral point disconnecting switch (shape see Fig.1) mainly consists of base, insulators and electric conduction part, on the insulating support fitted with static contact and wir?ing board which connect generatrix. Between support insulator and Support Insulator, there are base, moving contact, operating turn arm and operating insulator. operating mechanism and moving contact are joined b?y connecting ?rod, ope?rating ins?ulator and operating turn arm.

GW8 GW8-126中性点、GW8-72.5电动隔离开关。