Example:
The motor with enhanced safety has the following data:
400 V, 50 Hz/60Hz, 7.5 kW, I
e
= 15 A, I
A
/I
N
= 7.4, temperature class T3, time t
E
= 11s
According to the tripping curve below , the trip time is smaller than the time t
E
of the motor.
4)
3)
5)
1)
2)
2)
1)
3)
4)
Auslösezeit
t
tripping time
2
1
20
10
1
2
3
4
5
50
40
30
20
10
7
5
4
3
2
1
0.1
0.05
0.005
0.01
Std
s
min
x
multiples of rated current I
e
Vielfaches vom Nennstrom I
e
1
1.2
1.5
2
4
6
8 10
15
20
30
40
60
80
7.2
I
e
3
100
7.7 s
8.7 s
5.1 s
4.7 s
Vielfaches vom Nennstrom
tripping time
Auslösezeit
3 polig
three pole
two pole
2 polig
multiples of rated
current
21.2 s
3 x Ie
5 x Ie
7.2 x Ie
17.7 s
2 polig
two pole
3 polig
three pole
fuse 80 A gG
Sicherung 80 A gG
Example
1)
2)
3)
4)
5)
de
Vielfaches vom Nennstrom
Auslösezeit
2-polig
3-polig
Sicherung
es
Múltiplos de la intensidad aplicada
tiempo de disparo
de 2 polos
de 3 polos
Fusible
fr
Multiple du courant de reglage
Temps de déclenchement
2 broches
3 broches
Fusible
it
Multiplo della corrente di regolazione
Tempo di apertura
Bipolare
Tripolare
Fusibile
sv
Multipelfaktor för utlösningsström
Utlösningstid
2-polig
3-polig
Säkring
cn
标称电流的多倍
触发时间
双极
三极
保险丝
ru
кратность номинального тока
Время срабатывания
2-полюсное
3-полюсное
Предохранитель
2CDC106076M6801c / 04.2016
TF42
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