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BEIQIANG Power provides professional power products and comprehensive
solutions to ensure the safety of electricity consumption.
概述/Specification
GN22-12(C)系列户内高压隔离开关适用于三相交流50Hz,额定电压12KV的户内装置，工高压设备在有电压耐无负载的情况下接通，切
断成转换线路之用。
GN22-12 Disconnect switch is an indoor electric apparatus of rated voltage 12kV three-phase AC 50160Hz.it is used to break,make and transfer lines
when the HV apparatus is under situations with voltage and no-load.
正常使用条件/Ambient condition
1、海拔高度1000m。
2、周围空气温度：不高于+400C,不低于-25℃。
3、相对湿度：日平均值不大于95%,月平均值不大于90%。
4、水蒸气压：日平均值不大于2.2x10-3MPa,月平均值不大于
1.8x10-3MPa。
5、无火灾，爆炸，腐蚀金属，破坏绝缘的有害气体及导电尘埃的场所。
1、Altitude:≤1000m。
2、Ambient temperature:-25°C~+40℃。
3、Relative humidity:daily average S95%,monthly average ≤90%。
4、Steam pressure:daily average ≤2.2*10-3MPa,monthly average ≤
1.8*10-3Mpa
5、Applicable occasions should free from inflammables,explosives.corrosives and severe vibralion。
产品型号含义/Model implication
主要技术参数/Technical specification
| 名称Item | 单位Units | 数据Parameters | ||
| 额定电压Rated voltage | KV | 12 | ||
| 额定频率Rated frequency | Hz | 50 | ||
| 额定电流Rated current | A | 1600-2000 | 2500-3150 | |
| 额定短时耐受电流Rated short-circuit resistance current | KA | 40 | 50 | |
| 额定峰值耐受电流Rated peak withstand current | KA | 100 | 125 | |
| 额定短路持续时间Rated short-circuit duration | S | 4 | ||
| 额定绝缘水平 Rated nsulating level | 1min工频耐压1min.PF withstand voltage | KV | 极间、极对地42断口49 Phase to phase/to earth:42,across open contacts:49 | |
| 雷电冲击耐压(峰值) Lightning impulse withstand voltage(peak) | KV | 极间、极对地75断口85 Phase to phase/to earth:75,across open contacts:85 | ||
外形安装尺寸/0verall dimension
| 型号Model | A | B | C | D | E |
| GN22-12/1600-2000 | 255 | 305 | 527 | 490 | 50 |
| GN22-12/2500-3150 | 262 | 325 | 538 | 494 | 60 |
| GN22-12C/1600-2000 | 537 | 255 | 305 | 807 | 580 |
| GN22-12C/2500-3150 | 539 | 267.5 | 330 | 880 | 630 |
概述/Specification
GN22-12(C)系列户内高压隔离开关适用于三相交流50Hz,额定电压12KV的户内装置，工高压设备在有电压耐无负载的情况下接通，切
断成转换线路之用。
GN22-12 Disconnect switch is an indoor electric apparatus of rated voltage 12kV three-phase AC 50160Hz.it is used to break,make and transfer lines
when the HV apparatus is under situations with voltage and no-load.
正常使用条件/Ambient condition
1、海拔高度1000m。
2、周围空气温度：不高于+400C,不低于-25℃。
3、相对湿度：日平均值不大于95%,月平均值不大于90%。
4、水蒸气压：日平均值不大于2.2x10-3MPa,月平均值不大于
1.8x10-3MPa。
5、无火灾，爆炸，腐蚀金属，破坏绝缘的有害气体及导电尘埃的场所。
1、Altitude:≤1000m。
2、Ambient temperature:-25°C~+40℃。
3、Relative humidity:daily average S95%,monthly average ≤90%。
4、Steam pressure:daily average ≤2.2*10-3MPa,monthly average ≤
1.8*10-3Mpa
5、Applicable occasions should free from inflammables,explosives.corrosives and severe vibralion。
产品型号含义/Model implication
主要技术参数/Technical specification
| 名称Item | 单位Units | 数据Parameters | ||
| 额定电压Rated voltage | KV | 12 | ||
| 额定频率Rated frequency | Hz | 50 | ||
| 额定电流Rated current | A | 1600-2000 | 2500-3150 | |
| 额定短时耐受电流Rated short-circuit resistance current | KA | 40 | 50 | |
| 额定峰值耐受电流Rated peak withstand current | KA | 100 | 125 | |
| 额定短路持续时间Rated short-circuit duration | S | 4 | ||
| 额定绝缘水平 Rated nsulating level | 1min工频耐压1min.PF withstand voltage | KV | 极间、极对地42断口49 Phase to phase/to earth:42,across open contacts:49 | |
| 雷电冲击耐压(峰值) Lightning impulse withstand voltage(peak) | KV | 极间、极对地75断口85 Phase to phase/to earth:75,across open contacts:85 | ||
外形安装尺寸/0verall dimension
| 型号Model | A | B | C | D | E |
| GN22-12/1600-2000 | 255 | 305 | 527 | 490 | 50 |
| GN22-12/2500-3150 | 262 | 325 | 538 | 494 | 60 |
| GN22-12C/1600-2000 | 537 | 255 | 305 | 807 | 580 |
| GN22-12C/2500-3150 | 539 | 267.5 | 330 | 880 | 630 |