Eaton EMS Series - Tripping Characteristics at 20 °C; Derating Curves for 100 % Duty Factor (EMS

5 Appendix
5.3 Tripping characteristics at 20 °C
Elektronischer Motorstarter EMS/Electronic Motor Starter EMS 04/15 MN03407009Z-DE/EN www.eaton.com 57
5.3 Tripping characteristics at 20 °C
I
r
≤ 4A
Figure 8: Tripping characteristic for rated operational current setting up to 4 A
I
r
> 4 A
Figure 9: Tripping characteristic for rated current settings greater than 4 A
5.4 Derating curves for 100 % duty factor (EMS-…-T-9-24VDC)
Figure 10: Derating curve for 100 % duty factor (I
L
= load current)
a Stand-alone device
b Connected in series with a clearance of 30 mm
c Connected in series without clearance
t [s]
12345678910I / I
n
1
10
100
1000
60
40
30
20
600
400
300
200
6
4
3
2
0.6
0.4
0.3
0.2
0
Class 10
I > 45 A → t < 2 s
12345678910I / I
n
1
10
100
1000
60
40
30
20
600
400
300
200
6
4
3
2
0.6
0.4
0.3
0.2
0
Class 10 A
t [s]
TA [°C]
0 102030405060
6
8
0
4
2
9
7
5
3
1
I
L
[A]
③
②
①