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HH3铁壳负荷开关

更新:2013-9-10 16:13:44      点击:
  • 产品品牌   
  • 产品型号   HH3
  • 产品描述

    HH3铁壳负荷开关,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于HH3铁壳负荷开关型号,HH3铁壳负荷开关价格,有关HH3铁壳负荷开关的相关资料,上海人民电气...

产品介绍

正常工作条件和安装条件

1 周围空气温度不高于+40℃,不低于-5℃。
2 安装地点的海拔不超过2000m。
3 湿度:
最高温度为+40℃时,空气的相对湿度不超过50%,在较低的温度下可以允许有较高的相对湿度,
例如20℃时达90%。对由于温度变化偶尔产生的凝露应采取特殊的措施。
4 周围环境的污染等级为3级。
5 开关应安装在无显著摇动、冲击振动和没有雨雪侵袭的地方,同时安装地点应无爆炸危险介质,且
介质中无足以腐蚀金属和破坏绝缘的气体和尘埃。

主要参数及技术性能

主要技术性能及参数(见下表)

结构特点

1 开关在结构上设计成侧面旋转操作式,共分四部分,操作机构、熔断器、铁壳和触头系统。
2 操作机构有快速分断装置,开关的闭合和分断速度与操作者手的动作速度无关,因而保证操作人 员
和设备的安全。
3 触头系统带灭弧室,触头系统全部装在铁盒之内,完全处于封闭状态,保证人员安全。
4 罩盖关闭后可以与锁扣楔合,当开关在闭合位置时,由于罩盖与操作机构联锁,罩盖不能打开,罩盖
没有关闭时,操作机构使开关不能闭合。另外罩盖也可以加锁。

外形及安装尺寸

型号
外形尺守(mm)
安装尺寸(mm)
备注
A
D
E
H
L
Φ
接地螺钉d
HH3-60/3
340
250
127
145
280
8.5
M5
HH3-100/3
436
350
180
250
360
8.5
M6
HH3-200/3
510
350
195
250
444
8.5
m6
HH3-300/3
510
350
195
250
444
8.5
m6
HH3-400/3
560
420
205
285
485
8.5
m8
HH3-500/3
560
420
205
285
485
8.5
m8
HH3-600/3
625
420
215
285
525
8.5
m8

 

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