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FN□-24系列户内高压负荷开关及熔断器组合电器
从属类别:高压系列   
◆ 技术数据 Technical parameter
序号
Number
说明
Description
单位
Unit
要求
Requirement
参考数据
Reference paramter
1 指示
Designation
  户内型
Indoor
Indoor
2 型号
Type
     
3 主回路电阻
Main return circuit resistance
     
4 标准
Standard
  IEC265 iatest version of equivalent
IEC129 VDE 0670 IEC420 DIN43625
IEC 265
5 温度设计适合于
Climatic design suitable for
最大温度
Max. ambicnt temp
Deg.C +45 =50C
最小温度
Min. ambicnt temp
Deg.C -10 -25C
6 额定电压
Rated voltage(Un)
kV 20 24
7 最高工作电压
Max. working voltage(Umax)
kV 24 24
8 额定频率
Rated frequency
Hz 50 50
9 额定电流
Rated current’(In)
A 400 630
10 额定短时电流
Rated short time current
1 sec(lth)
3 sec(lth)
KA rms 16
10
20
10
11 额定峰值电流
Rated peak current(ldvn)
kA peak 40 50
12 额定短路合断能力(容量)
Rated shortcircuit making capacity ima
kA peak 40 50
13 最大分断能力
Max. breaking capacity cosO=0.25acc To IEC420
A rms Acc.to IEC420 Acc.to IEC420
14 额定主要负载分断电流能力(容量)
Rated mainly load breaking current capacity coso=0. ?f ll}
A rms Acc.to IEC420 630
15 最大主要动作负载开断能力
Max. mainly active load breaking capacity cosO=0. ?
A rms 16 630
16 额定闭合开断能力
Rated closed breaking capacity cosO=0.3(12)
A rms   630
17 额定单极分断能力
Rated single breaking capacity(14)
A rms 45 630
18 额定电缆充电能力
Rated cable charging capacity(16)
A rms 45 50
19 接地分断能力
Earth fault breaking capacity acc. to VDE0670/339 tabie 8
-Fig E
-Fig D
A rms
A rms
A rms
 

55

35

20 电力频率50Hz的耐受电压
Power frequency withstand voltage 50Hz 1 min
对地、相间/隔离断口
To earth. interphase/isolating break

KV rms

KV rms

50

60

55

65

21 对地、相间/绝缘电压峰值
To earth. interphase/insulating volatage peak

KV peak

KV peak

125

145

125

145

 

◆ 技术数据 Technical parameter
序号
Number
说明
Description
单位
Unit
要求
Requirement
参考数据
Reference paramter
22 机械寿命
Mechanical life
    2500 operation
23 当任何熔断器工作时,转动(释放)负荷开关的操作机构
Shut down mechapi-qn for the switch when any fuse works
   
Shut down mechanism forthe witch when any fuSe works
24 Lever操动手柄(上、下)
Lever drive handle(up and down)
    Lever drive hande1(up and down)
25 使用弹簧的储能操作机构
Stored energy.operating mechanism by spring
   
Stored energy operating mechanism by spring
26 分/合时的最大扭矩
Mac.operating torque when
Closing
Opening
N.M.

N.M.
  64

64
27 操作角度
Operating angle on the shaft
Dcgree   80
28 操作时间
Operating time
Ms   35
29 燃弧时间
Arcmg time
Ms   20
30 灭弧室
Arcquenching chamber
    Provided
31 分离跳闸线圈脱扣
Shunt trip coil release
类型
-Type
操作电压
-Voltage of opemtion
输入电能
Power input
V

W
220 Epoxy

220V

550
32 接地开关附件鬣定短时电漉(冲击)
Earthing switch attachment Rated shorttime current(stroker)1 sec
耐受峰值电流
Peak withstand curretlt(ldyn)
短路合断能力(容量)
Short circuit making capacity.(1 mm)
工频耐压
Power frequency withstand voltage
(雷电)冲击耐压
(Lighting)impulse R§qjllg voltage
间距
Pole distance
kA rms

kA peak

kA peak

kV


kV

Mm
16 25kA rms

50kA peak

50kA peak

55

125

275