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BEIQIANG Power provides professional power products and comprehensive
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The FN5-12 high-voltage load switch type indoor AC high-voltage load switch with a fuse combination electrical appliance is suitable for 50HZ and 12KV electrical networks, used for breaking load current and making current
概述/Specification
FN5-12R(L)型户内交流高压负荷开关一熔断器组合电器经全面型式试验和长期的试运行考核，性能达到IEC420《交流高压负荷开关——熔断器组合电器》(1990版)和GB3804《3-63KV交流高压负荷开关》标准要求，与国外同类产品比较，技术参数已达到同类产品水平，具有体积小，重量轻，可用于环网柜和箱式变电站，广泛应用于10KV线路电能的分配，可实现开关、隔离和接地三工位，并有效避免了设备的缺相运行。
FN5-12R(L)model indoor AC HV load break switch-fuse combination apparatus is developed and designed based on international technology andnational power supply requirement,it passed all type tests and trial-operation inspections.The apparatus conforms to IEC420:AC LOAD BREAK SWITCH ANDFUSE COMBINATION APPARATUS(1990 EDITION)and GB3804:3-63KV AC HV LOAD BREAK SWITCH VOLUME AND LIGHT WEIGHT.Compared tointernational product it keeps up with technical level with small volume and light weight.It is applicable in ring main unit and prefabricated substations as well as12kv line and power distribution system.The product realizes three working positions:power making.power breaking and earth.It applies to power system ofrated voltage 6-12kv,50/60HZ breaking load current ober load current and short-circuit current.
正常使用条件/Ambient condition
1、正常使用条件：周围空气温度上限：+40℃,下限：-25℃。
2、海拔：海拔高度为1000m及以下。
3、相对湿度：日平均不大于95%,月平均不大于90%。
4、周围空气应不受腐蚀性或可燃性气体及水蒸汽等明显污染。
5、无经常性的剧烈振动。
1.The altitude:under 1000M。
2.The ambient temperature:-25℃-+40℃。
3.The relative humidity of air:monthly≤90%,daily≤95%。
4.Ampitude:Earthquake degree 8。
5.Application occasions should free from fire,inflammables,explosives.corrosives and severe vibration。
产品型号含义/Model implication
主要技术参数/Technical specification
| 额定电流KV Rated voltage Ky | 一分钟工频耐压KV 1min frequency voltage KV | 额定电流A Rated Current A | 4秒热稳定电流A 4S thermal current A | 动稳定电流(峰值)KA Dynamic current (peak)KA | 额定开断电流A Rated breaking current A | 短路关合电流KA Short circuit close currentKA |
| 12 | 42 | 400 | 12.5 | 31.5 | 400 | 31.5 |
| 48 | 630 | 20 | 50 | 630 | 50 |
外形安装尺寸/Overall dimension
熔断器额定参数/Fuse ratings.
| 型号Model | 额定电压KV Rated voltage(KV) | 额定电流A Rated current(A) | 熔体的额定电流A Fondant rated current (A) |
| SDLA*J | 12 | 50 | 6.3,1016,20,25 31,5,40, |
| SFLA*J | 12 | 100 | 50.63,71,80, 100 |
| SKLA*J | 12 | 125 | 125 |
概述/Specification
FN5-12R(L)型户内交流高压负荷开关一熔断器组合电器经全面型式试验和长期的试运行考核，性能达到IEC420《交流高压负荷开关——熔断器组合电器》(1990版)和GB3804《3-63KV交流高压负荷开关》标准要求，与国外同类产品比较，技术参数已达到同类产品水平，具有体积小，重量轻，可用于环网柜和箱式变电站，广泛应用于10KV线路电能的分配，可实现开关、隔离和接地三工位，并有效避免了设备的缺相运行。
FN5-12R(L)model indoor AC HV load break switch-fuse combination apparatus is developed and designed based on international technology andnational power supply requirement,it passed all type tests and trial-operation inspections.The apparatus conforms to IEC420:AC LOAD BREAK SWITCH ANDFUSE COMBINATION APPARATUS(1990 EDITION)and GB3804:3-63KV AC HV LOAD BREAK SWITCH VOLUME AND LIGHT WEIGHT.Compared tointernational product it keeps up with technical level with small volume and light weight.It is applicable in ring main unit and prefabricated substations as well as12kv line and power distribution system.The product realizes three working positions:power making.power breaking and earth.It applies to power system ofrated voltage 6-12kv,50/60HZ breaking load current ober load current and short-circuit current.
正常使用条件/Ambient condition
1、正常使用条件：周围空气温度上限：+40℃,下限：-25℃。
2、海拔：海拔高度为1000m及以下。
3、相对湿度：日平均不大于95%,月平均不大于90%。
4、周围空气应不受腐蚀性或可燃性气体及水蒸汽等明显污染。
5、无经常性的剧烈振动。
1.The altitude:under 1000M。
2.The ambient temperature:-25℃-+40℃。
3.The relative humidity of air:monthly≤90%,daily≤95%。
4.Ampitude:Earthquake degree 8。
5.Application occasions should free from fire,inflammables,explosives.corrosives and severe vibration。
产品型号含义/Model implication
主要技术参数/Technical specification
| 额定电流KV Rated voltage Ky | 一分钟工频耐压KV 1min frequency voltage KV | 额定电流A Rated Current A | 4秒热稳定电流A 4S thermal current A | 动稳定电流(峰值)KA Dynamic current (peak)KA | 额定开断电流A Rated breaking current A | 短路关合电流KA Short circuit close currentKA |
| 12 | 42 | 400 | 12.5 | 31.5 | 400 | 31.5 |
| 48 | 630 | 20 | 50 | 630 | 50 |
外形安装尺寸/Overall dimension
熔断器额定参数/Fuse ratings.
| 型号Model | 额定电压KV Rated voltage(KV) | 额定电流A Rated current(A) | 熔体的额定电流A Fondant rated current (A) |
| SDLA*J | 12 | 50 | 6.3,1016,20,25 31,5,40, |
| SFLA*J | 12 | 100 | 50.63,71,80, 100 |
| SKLA*J | 12 | 125 | 125 |