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文件编号:
NDT2920002
文件版本:
5
地址:上海市浦东新区申江南路
2000
号
邮编:
201315
电话:
(021)68586699
传真:
(021)23025796
第
8
页
共
39
页
表 2(续):NDM3E 主要技术参数
Table 2 (continued): Main technical parameters of NDM3E
型号、规格
Model and specification
NDM3E-400
NDM3E-630
NDM3E-800
极数
Number of poles
3
4
3
4
3
4
电气性能符合标准
Applicable standard to
electrical performances
GB/T14048.2, GB/T14048.4
壳架额定电流(A) I
n
Frame rated current
400
630
800
额定绝缘电压(V) U
i
Rated insulation voltage
1000
1000
1000
额定冲击耐压(kV) U
imp
Rated impulse withstand
voltage
8
8
8
额定工作电压(V) U
e
AC50/60Hz
Rated working voltage
380/400/415
380/400/415
380/400/415
660/690
660/690
660/690
分断能力级别
Breaking capacity
H
M
H
M
H
M
额定极限短路分断能力(kA) I
cu
AC380/400/415V
Rated ultimate breaking
capacity
100
70
100
70
100
70
额定极限短路分断能力(kA) I
cu
AC660/690V
Rated ultimate breaking
capacity
/
20
/
20
/
20
额定运行短路分断能力(kA) I
cs
AC380/400/415V
Rated service breaking
capacity
70
65
70
65
70
65
额定运行短路分断能力(kA)I
cs
AC660/690V
Rated service breaking
capacity
/
15
/
15
/
15
使用类别 Utilization category
B
B
B
额定短时耐受电流 (kA /1s) I
cw
Short-time withstand current
5
8
10
操作性能寿命
(次)
Operational
performance
life (times)
电气寿命
Electrical
life
7500
7500
7500
机械寿命
Mechanical
life
10000
10000
10000
飞弧距离 (mm)
Flashover distance
≤100
≤100
≤100