FN7-12系列户内高压负荷开关及熔断器组合电器
产品类别: 高压负荷开关
名称: FN7-12系列户内高压负荷开关及熔断器组合电器
浏览次数: 5822

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.

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

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.

概述

Summary

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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

FN7-12RAF
FN7-12DSLRAF
FN7-12DXLRAF
 

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
 

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
 

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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