CHINT NXMD-400 User Instruction page 9

NXMD-400 Series External Circuit Breaker
5 Characteristic curve of the product
10000
1000
100
动
作
10
时
间 1
（S）
0.1
0.01
0.001
0.1 1
Multiple of rated current
‫أوﻗﺎت اﻟﺘﯿﺎر اﻟﻤﻘﺪر‬
300A tripping characteristic curve
‫ﺨﺼﺎﺋﺺ اﻻﻧﻄﻼق‬
10000
1000
100
10
1
0.1
0.01
0.001
0.1 1
Multiple of rated current
‫أوﻗﺎت اﻟﺘﯿﺎر اﻟﻤﻘﺪر‬
400A tripping characteristic curve
‫ﺨﺼﺎﺋﺺ اﻻﻧﻄﻼق‬
10 100 1000
‫ﻟ‬ ‫ﻣﻨﺤﻦ‬ ‫ﺧﻂ‬
300 A
10 100 1000
‫ﻟ‬ ‫ﻣﻨﺤﻦ‬ ‫ﺧﻂ‬
40 0A
140
130
120
额
110
定
电
100
流
90
80
-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75
-10 0 10
Ambient temperature (℃)
℃
300A temperature compensation curve
‫ﺧﻂ ﻣﻨﺤﻦ ﻟﺘﻌﻮﯾﺾ درﺟﺔ اﻟﺤﺮارة‬
140
130
120
110
100
90
80
-10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75
-10 0 10
Ambient temperature (℃)
℃
400A temperature compensation curve
‫ﺧﻂ ﻣﻨﺤﻦ ﻟﺘﻌﻮﯾﺾ درﺟﺔ اﻟﺤﺮارة‬
07
20 30 40 50 60
‫اﻟﺤﺮارة اﻟﻤﺤﯿﻄﺔ‬ ‫درﺟﺔ‬
300A
20 30 40 50 60
‫درﺟﺔ اﻟﺤﺮارة اﻟﻤﺤﯿﻄﺔ‬
400A
70
70