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JN15 Earth Switch
Quick Details
Product Code:
8535900090
OEM:
Available
Sample:
Available
Port:
NingBo/ShangHai
Payment:
PayPal,VISA,L/C,T/T,MasterCard,Western Union
Place of Origin:
China
Supply Ability:
100 piece per week
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描述

JN15系列户内高压接地开关是我公司采用先进技术生产的具有国际先进水平的接地开关。结构组装,性能符合GB1985-2014《交流高压隔离开关及接地开关》国家标准。适用于室内3.6-12kV三相交流50(60)赫兹电力系统;具有短路合闸能力,保护开关柜内的其他电气设备不受损坏。可与各种高压开关柜配套使用,作为高压电气设备检修时的接地保护。

参数

技术信息

技术规格

 

 

 

 

 

额定电压

 

千伏

 

12

24

40.5

额定短期耐受电压

kA

 

 

31.5

 

额定短路持续时间

 

 

4

 

额定短路合闸电流

kA

 

 

80

 

额定峰值容许电流

kA

 

 

80

 

额定绝缘等级

额定短时工频耐受电压

千伏

相对交替

42

65

95

额定雷电冲击耐受电压

75

125

185

相距

 

 

150,210,275mm

275mm

300,350,400mm

机械寿命

 

时代

 

 

3000

 

 

公司简介
浙江西凯电气有限公司设计和制造中高压电气
设备、组件和系统,为全球的家庭、工业、
企业和机构提供可靠的电力我们是提供负载断路开关、真空
断路器、隔离开关的领导者,使客户能够提高生产力、提高系统
可靠性并降低成本。
我们的产品、服务和解决方案在全球范围内用于公共、商业和工业
电力系统。我们的产品已通过中国电力工业部和中国
电力科学研究院的测试。
作为一家全球制造商,浙江西凯电气有限公司提供广泛的
前瞻性的解决方案,包括电力系统保护、配电系统可靠性
和电能质量产品和服务。通过我们对研发的承诺,
我们不断开发智能解决方案,以实现安全、可靠、环保的电力
保护。
我们的产品包括户内高压负荷开关、真空负荷开关、
断路器;户外高压负荷分断开关、断路器;高压接地开关;
高压隔离开关和熔断器。
我们使用创新产品为客户提供综合保护解决方案,并结合
全球无与伦比的服务和可靠性
JN15.jpg公司(无字).jpg

 

Earth Switch is a mechanical switch device used to intentionally ground a loop.


Under abnormal conditions (such as short circuit), the grounding switch can carry the specified rated short-circuit current and the corresponding peak current within a specified time; but under normal working conditions, it is not required to carry the rated current.


Grounding switch and isolating switch are often combined into one device. At this time, in addition to the main contact, the isolating switch also has an Earth Switch for grounding one end of the isolating switch after opening. The main contact and the Earth Switch are usually mechanically interlocked in such a way that the grounding switch cannot be closed when the isolating switch is closed, and the main contact cannot be closed when the Earth Switch is closed.

Earth Switch can be divided into open type and closed type according to its structure. The conductive system of the former is exposed to the grounding switch similar to an isolating switch in the atmosphere, and the conductive system of the latter is enclosed in SF charging. Or in an insulating medium such as oil.


Earth Switch needs to close short-circuit current, and must have a certain short-circuit closing capacity and dynamic and thermal stability. But it does not need to break load current and short-circuit current, so there is no arc extinguishing device. The lower end of the knife is usually connected to the grounding point through a current transformer. The current transformer can give a signal for relay protection.


Grounding switches of various structures are divided into single-pole, double-pole and three-pole. Single pole is only used for neutral point grounding system, and bipolar and three pole are used for neutral point ungrounded system, sharing an operating mechanism for operation.

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