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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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 | |
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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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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额定电压(KV)
Rated voltage |
上限电压(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
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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 |
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FN7(C)-12高压负荷开关
FN7(C)-12 H.V.Load Switch |
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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 | | |