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BEIQIANG Power provides professional power products and comprehensive
solutions to ensure the safety of electricity consumption.
概述/Specification
JN15-24/31.5型系列户内高压接地开关是我公司 新开发的新型接地开关。该产品具有设计先进、结构简单紧凑、技术性能可靠等特点火，符合GB1985-2004《交流高压隔离开关和接地开关》及IEC62271-102;2002的要求，适用于户内24kV三相交流50(60)Hz的电力系统中；它具有短路关台能力以保护开关设备内其它电气设备不受损坏，可与各种高压开关柜配套使用，作为高压电器设备检修时的接地保护。
JN15-24/31.5 indoor AV HV earthing switch is the new earthing switch our Boxd company research and developed.It has the advanced design,simple
and compact structure,reliable technical performance,etc.It according with GB 1985-2004 AC HV disconnect switch and earthing switch,relative standards
IEC62271-102:2002.The apparatus applies to power system of raling below 24kV,and AC 50/60 Hz.It has short-circuit making capacity to protect other
electrical equipment in the switching equipment,and also be used for earthing protection when overhauling high-voltage electrical apparatus.
产品型号含义/Model implication
正常使用条件/Ambient condition
1、海拔高度不超过1000m。
2、周围空气温度：上限+40℃,下限-25℃。
3、相对湿度日平均值不大干95%,月平均值不大于90%。
4、污秽等级：Il。
1.Alitude less than 1000m.
2.Ambient air temperature:up to+40℃,the lower limit of -25℃.
3.The dally average relative humidity of 95%is not dry,on average less than 90%.
4.Fithy rating:M
主要技术参数/Technical specification
| 序号 No | 名称Item | 单位 Units | 数据Parameters | ||
| 1 | 额定电流Rated current | kA | |||
| 2 | 额定短时耐受电流Rated short-time withstand current | kA | 31.5 | ||
| 3 | 额定短路关合电流Rated circuit-time making current | kA | 80 | ||
| 4 | 额定峰值耐受电流Rated peak withstand current | kA | 80 | ||
| 5 | 额定短路持续时间Rated short-circuit duration | S | 4 | ||
| 6 | 额定绝缘水平 Rated insulation leve | 1min工频耐压1min.PF withstand voltage | kV | 相对地及相间To earth Phase to phase | 65 |
| 雷电冲击电压Lighting impulse withstand voltage | 125 | ||||
| 7 | 机械寿命Mechanical life | 次 | 2000 | ||
外形安装尺寸/Overall dimension
概述/Specification
JN15-24/31.5型系列户内高压接地开关是我公司 新开发的新型接地开关。该产品具有设计先进、结构简单紧凑、技术性能可靠等特点火，符合GB1985-2004《交流高压隔离开关和接地开关》及IEC62271-102;2002的要求，适用于户内24kV三相交流50(60)Hz的电力系统中；它具有短路关台能力以保护开关设备内其它电气设备不受损坏，可与各种高压开关柜配套使用，作为高压电器设备检修时的接地保护。
JN15-24/31.5 indoor AV HV earthing switch is the new earthing switch our Boxd company research and developed.It has the advanced design,simple
and compact structure,reliable technical performance,etc.It according with GB 1985-2004 AC HV disconnect switch and earthing switch,relative standards
IEC62271-102:2002.The apparatus applies to power system of raling below 24kV,and AC 50/60 Hz.It has short-circuit making capacity to protect other
electrical equipment in the switching equipment,and also be used for earthing protection when overhauling high-voltage electrical apparatus.
产品型号含义/Model implication
正常使用条件/Ambient condition
1、海拔高度不超过1000m。
2、周围空气温度：上限+40℃,下限-25℃。
3、相对湿度日平均值不大干95%,月平均值不大于90%。
4、污秽等级：Il。
1.Alitude less than 1000m.
2.Ambient air temperature:up to+40℃,the lower limit of -25℃.
3.The dally average relative humidity of 95%is not dry,on average less than 90%.
4.Fithy rating:M
主要技术参数/Technical specification
| 序号 No | 名称Item | 单位 Units | 数据Parameters | ||
| 1 | 额定电流Rated current | kA | |||
| 2 | 额定短时耐受电流Rated short-time withstand current | kA | 31.5 | ||
| 3 | 额定短路关合电流Rated circuit-time making current | kA | 80 | ||
| 4 | 额定峰值耐受电流Rated peak withstand current | kA | 80 | ||
| 5 | 额定短路持续时间Rated short-circuit duration | S | 4 | ||
| 6 | 额定绝缘水平 Rated insulation leve | 1min工频耐压1min.PF withstand voltage | kV | 相对地及相间To earth Phase to phase | 65 |
| 雷电冲击电压Lighting impulse withstand voltage | 125 | ||||
| 7 | 机械寿命Mechanical life | 次 | 2000 | ||
外形安装尺寸/Overall dimension