概述 Summary FN7-12DR 型交流高压负荷开关(以下简称负荷开关)是一种新型产气式户内高压负荷开关,适用于交流50HZ,额定电压12KV的三相交流电力系统中,作为开断负荷电流及关合短路电流之用。 FN7(C)-12型系列高压负荷及熔断器组合电器是在FN7-12系列高压负荷开关的基础上,增加侧面操作机构、使得安装更加简捷方便,能够满足广大用户的不同要求。 FN7-12DR is used in three-phase AC power network of AC 50Hz、rated voltage 12KV for breaking load current and controlling short-circuit current. FN7(C)-12 type H.V load switch and fuse box is basied on the FN7-12 series H.V load switch. with operating mechanism. Make the installation more simpler. Can meet orders needs. |
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型号含义 Type and meaning | 额定电流(400,630A) 电动分闸装置(有:F, 无:空) 撞击熔断器(有:A, 无:空) 熔断器 负荷开关与接地开关联锁装置(有:L, 无:空) 接地开关位置(进线端:S,出线端:X) 接地开关 额定电压(KV) 设计序号 户内负荷开关 Rated current Off device by motor(with:F without:blank) Striking fuse box (with:F without:blank) fuse box Interlock gear between load switch and earth switch(with:L,without:blank) Earth switch position(wire-in end:S,wire-out end:X) Earth switch Rated voltage Designed number Indoor load switch |
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正常工作环境 Normal Serviec Condition 1、周围空气温度 不高于 +40oC 不低于-25oC; 2、海拔不超过1000米; 3、相对湿度,日平均值不大于95%,月平均值不大于90%; 4、周围空气应不受腐蚀性、可燃性气体及水蒸汽体等明显污染; 5、无经常性的剧烈运动; 1、The altitude does not exceed 1000m.2、The ambient air temperatrue : Max:+40oC. Min:-25oC. 3、The relatire humidity of air Daily average ≤95% . Monthly average ≤90% 4、The ambient air should not be obviously polluted by corrosivity or the flammability gas steam.Etc. 5、The working situation without frequent violent. |
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概述 Summary 类别 Classification | 全型号 Full type | DS
接地开关在线端 Earth switch at the wire-in end | DK
接地开关在线端 Earth switch at the wire-in end | L
联锁装置 Interlock device | R
熔断器 Fuse box | RA
撞击式熔断器 String fuse box | F
电动分闸装置 Off device by motor | 无脱扣器 Without tripper | FN7-12 | — | — | — | — | — | — | FN7-12DSL | △ | — | △ | — | — | — | FN7-12DXL | — | △ | △ | — | — | — | FN7-12R | — | — | — | △ | — | — | FN7-12DSLR | △ | — | △ | △ | — | — | FN7-12DXLR | — | △ | △ | △ | — | — | 带撞击脱扣器 With striking tripper | 椀敬栠牥 ????o〨?FN7-12RAF | — | — | — | — | △ | △ | FN7-12DSLRAF | △ | — | △ | — | △ | △ | FN7-12DXLRAF | — | △ | △ | — | △ | △ |
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额定参数 Specified parameter 额定电压(KV) Rated voltage | 最高电压(KV) Max.voltage | 额定电流(A) Rated current | 1min 工频耐压(KV) 1min power frequency withstand voltage | 4S热稳定电流(有效值)(KA) 4S heat-stabling current(value) | 动稳定电流(峰值)(KA) Machine stabling current(peak) | 短路关合电流(KA) Short-circuit controlling current | 额定开断电流(A) Rated switch-off current | 额定转移电流(A) Rated transfer current | 12 | 12 | 400 | 42/48 | 12.5 | 31.5 | 31.5 | 400 | 1000 | 630 | 42/48 | 20 | 50 | 50 | 630 | 1000 |
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熔断器额定参数 Rated parameter of fuse box 型号 Rated voltage | 额定电压(KV) Rated current | 额定电流(A) Rated switch-off current | 熔体的额定电流(A) Fuse body rated current | SDLA*J | 12 | 40 | 6.3,10,16,20,25,31.5,40 | SFLA*J | 12 | 100 | 50,63,71,80,100 | SKLA*J | 12 | 125 | 125 |
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外形及安装图 Appearance installation diagram | 图1、无脱扣器 "线路" 负荷开关 Diagram 1.Load switch without tripper "line" | 图2、无脱扣器 "变压器保护" 负荷开关 Diagram 2.Load switch tripper "transformer protection" | 外型及安装图
Appearance install ation dlagram |
| 图3、脱扣器撞击负荷开关 Diagram 3.Load switch with tripper striker | 图4、CS6操作机构安装示意图 Diagram 4.Installation diagram of CS6 operating mechanism | | FN7(C)-12高压负荷开关 FN7(C)-12 H.V.Load Switch | | FN7(C)-12高压负荷开关与熔断器组合电器 FN7(C)-12 H.V.Load Switch with Fuse and without fuse |
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