接线方式(接线图)/ Wiring Method - nader NDM2E Series Product Manual

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Notes: When ambient temperature is less than 40℃, breaker can be used normally without any derating
(7)海拔降容 Altitude derating
当海拔高度高于 2000m 需要降容。
Altitude of service conditions more than 2000m, derating is necessary.
海拔高度
Altitude (m)
2000
2500
3000
3500
4000
4500
5000
6. 接线方式(接线图)/ Wiring Method
表 9-1:400A 额定电流以下连接导线采用的截面积和相适应的额定电流见表
Table 9-1: Under the rated current of 400A, sectional areas of connecting wires and
额 定 电 流
(A)
40、
63
Rated
50
current (A)
导线截面积
2
(mm
Sectional
10
16
areas of the
2
wires(mm
表 9-2:400A 额定电流以上连接导线采用的截面积和相适应的额定电流表
Table 9-2: When the rated current is 400A and above, sectional areas of connecting wires and corresponding rated
额定电流(A)
数量
Rated current (A)
Quantity
450、500
550、600、630
700、750、800
注:1)同断路器的连接,按照《外形、安装尺寸及接线方式》选择适合的接线方式;
地址:上海市浦东新区申江南路 2000 号
文件编号:NDT2920018
表 8-2:NDM2E 海拔降容系数表
Table 8-2: Altitude derating coefficient table of NDM2E
工作电流修正系数
Rated working
current
In
In
0.98In
0.97In
0.96In
0.95In
0.94In
corresponding rated current, see the following table
70、80 90、 100
25
35
current, see the following table
Cables
2
截面积(mm
Cross-section (mm
2
150
2
185
2
240
第 21 页 共 36 页
工作电压修正系
数 Ultimate
working
voltage
Ue
Ue
0.83Ue
0.77Ue
0.71Ue
0.67Ue
0.63Ue
180、200、
125
160
225
50
70
95
铜 排 Copper busbar
尺寸
数量
(mm)
2
)
Quantity
Size
2
30× 5
2
40× 5
2
50× 5
Fig.10: Diagram of ingoing and outgoing
邮编:201315
电话:(021)68586699
文件版本:4
工频耐压修正系数
Rated working
frequency withstand
voltage
1.00Ui
1.00Ui
0.89 Ui
0.85 Ui
0.80 Ui
0.77 Ui
0.73 Ui
250
280
315、350
120
150
185
图 10:进出线示意图
传真:(021)23025796
400
240

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Ndm2e-100Ndm2e-250Ndm2e-400Ndm2e-630Ndm2e-800

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